Signed-off-by: Mark Fasheh <mfas...@suse.de>
---
 fs/udf/dir.c       |   2 +-
 fs/udf/directory.c |  30 ++++----
 fs/udf/file.c      |   6 +-
 fs/udf/ialloc.c    |  24 +++---
 fs/udf/inode.c     | 209 +++++++++++++++++++++++++++--------------------------
 fs/udf/misc.c      |   4 +-
 fs/udf/namei.c     |  76 ++++++++++---------
 fs/udf/partition.c |   2 +-
 fs/udf/super.c     |   2 +-
 fs/udf/symlink.c   |   7 +-
 fs/udf/truncate.c  |  26 +++----
 11 files changed, 199 insertions(+), 189 deletions(-)

diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index c19dba45aa20..ef5b632da782 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -57,7 +57,7 @@ static int udf_readdir(struct file *file, struct dir_context 
*ctx)
        sector_t offset;
        int i, num, ret = 0;
        struct extent_position epos = { NULL, 0, {0, 0} };
-       struct super_block *sb = dir->i_sb;
+       struct super_block *sb = inode_sb(dir);
 
        if (ctx->pos == 0) {
                if (!dir_emit_dot(file, ctx))
diff --git a/fs/udf/directory.c b/fs/udf/directory.c
index 0a98a2369738..d5d490eaba6c 100644
--- a/fs/udf/directory.c
+++ b/fs/udf/directory.c
@@ -38,7 +38,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, 
loff_t *nf_pos,
                                       (iinfo->i_efe ?
                                        sizeof(struct extendedFileEntry) :
                                        sizeof(struct fileEntry)),
-                                      dir->i_sb->s_blocksize,
+                                      inode_sb(dir)->s_blocksize,
                                       &(fibh->eoffset));
                if (!fi)
                        return NULL;
@@ -51,15 +51,15 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, 
loff_t *nf_pos,
                return fi;
        }
 
-       if (fibh->eoffset == dir->i_sb->s_blocksize) {
+       if (fibh->eoffset == inode_sb(dir)->s_blocksize) {
                uint32_t lextoffset = epos->offset;
-               unsigned char blocksize_bits = dir->i_sb->s_blocksize_bits;
+               unsigned char blocksize_bits = inode_sb(dir)->s_blocksize_bits;
 
                if (udf_next_aext(dir, epos, eloc, elen, 1) !=
                    (EXT_RECORDED_ALLOCATED >> 30))
                        return NULL;
 
-               block = udf_get_lb_pblock(dir->i_sb, eloc, *offset);
+               block = udf_get_lb_pblock(inode_sb(dir), eloc, *offset);
 
                (*offset)++;
 
@@ -69,7 +69,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, 
loff_t *nf_pos,
                        epos->offset = lextoffset;
 
                brelse(fibh->sbh);
-               fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block);
+               fibh->sbh = fibh->ebh = udf_tread(inode_sb(dir), block);
                if (!fibh->sbh)
                        return NULL;
                fibh->soffset = fibh->eoffset = 0;
@@ -79,9 +79,9 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, 
loff_t *nf_pos,
                        if (i + *offset > (*elen >> blocksize_bits))
                                i = (*elen >> blocksize_bits)-*offset;
                        for (num = 0; i > 0; i--) {
-                               block = udf_get_lb_pblock(dir->i_sb, eloc,
+                               block = udf_get_lb_pblock(inode_sb(dir), eloc,
                                                          *offset + i);
-                               tmp = udf_tgetblk(dir->i_sb, block);
+                               tmp = udf_tgetblk(inode_sb(dir), block);
                                if (tmp && !buffer_uptodate(tmp) &&
                                                !buffer_locked(tmp))
                                        bha[num++] = tmp;
@@ -99,7 +99,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, 
loff_t *nf_pos,
                fibh->sbh = fibh->ebh;
        }
 
-       fi = udf_get_fileident(fibh->sbh->b_data, dir->i_sb->s_blocksize,
+       fi = udf_get_fileident(fibh->sbh->b_data, inode_sb(dir)->s_blocksize,
                               &(fibh->eoffset));
 
        if (!fi)
@@ -107,29 +107,29 @@ struct fileIdentDesc *udf_fileident_read(struct inode 
*dir, loff_t *nf_pos,
 
        *nf_pos += fibh->eoffset - fibh->soffset;
 
-       if (fibh->eoffset <= dir->i_sb->s_blocksize) {
+       if (fibh->eoffset <= inode_sb(dir)->s_blocksize) {
                memcpy((uint8_t *)cfi, (uint8_t *)fi,
                       sizeof(struct fileIdentDesc));
-       } else if (fibh->eoffset > dir->i_sb->s_blocksize) {
+       } else if (fibh->eoffset > inode_sb(dir)->s_blocksize) {
                uint32_t lextoffset = epos->offset;
 
                if (udf_next_aext(dir, epos, eloc, elen, 1) !=
                    (EXT_RECORDED_ALLOCATED >> 30))
                        return NULL;
 
-               block = udf_get_lb_pblock(dir->i_sb, eloc, *offset);
+               block = udf_get_lb_pblock(inode_sb(dir), eloc, *offset);
 
                (*offset)++;
 
-               if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen)
+               if ((*offset << inode_sb(dir)->s_blocksize_bits) >= *elen)
                        *offset = 0;
                else
                        epos->offset = lextoffset;
 
-               fibh->soffset -= dir->i_sb->s_blocksize;
-               fibh->eoffset -= dir->i_sb->s_blocksize;
+               fibh->soffset -= inode_sb(dir)->s_blocksize;
+               fibh->eoffset -= inode_sb(dir)->s_blocksize;
 
-               fibh->ebh = udf_tread(dir->i_sb, block);
+               fibh->ebh = udf_tread(inode_sb(dir), block);
                if (!fibh->ebh)
                        return NULL;
 
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 356c2bf148a5..d28bb49a2d87 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -151,7 +151,7 @@ static ssize_t udf_file_write_iter(struct kiocb *iocb, 
struct iov_iter *from)
        if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
                loff_t end = iocb->ki_pos + iov_iter_count(from);
 
-               if (inode->i_sb->s_blocksize <
+               if (inode_sb(inode)->s_blocksize <
                                (udf_file_entry_alloc_offset(inode) + end)) {
                        err = udf_expand_file_adinicb(inode);
                        if (err) {
@@ -198,7 +198,7 @@ long udf_ioctl(struct file *filp, unsigned int cmd, 
unsigned long arg)
        switch (cmd) {
        case UDF_GETVOLIDENT:
                if (copy_to_user((char __user *)arg,
-                                UDF_SB(inode->i_sb)->s_volume_ident, 32))
+                                UDF_SB(inode_sb(inode))->s_volume_ident, 32))
                        return -EFAULT;
                return 0;
        case UDF_RELOCATE_BLOCKS:
@@ -206,7 +206,7 @@ long udf_ioctl(struct file *filp, unsigned int cmd, 
unsigned long arg)
                        return -EPERM;
                if (get_user(old_block, (long __user *)arg))
                        return -EFAULT;
-               result = udf_relocate_blocks(inode->i_sb,
+               result = udf_relocate_blocks(inode_sb(inode),
                                                old_block, &new_block);
                if (result == 0)
                        result = put_user(new_block, (long __user *)arg);
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index b6e420c1bfeb..eb37faceb405 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -28,7 +28,7 @@
 
 void udf_free_inode(struct inode *inode)
 {
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
        struct udf_sb_info *sbi = UDF_SB(sb);
        struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sb);
 
@@ -47,7 +47,7 @@ void udf_free_inode(struct inode *inode)
 
 struct inode *udf_new_inode(struct inode *dir, umode_t mode)
 {
-       struct super_block *sb = dir->i_sb;
+       struct super_block *sb = inode_sb(dir);
        struct udf_sb_info *sbi = UDF_SB(sb);
        struct inode *inode;
        udf_pblk_t block;
@@ -63,18 +63,18 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode)
                return ERR_PTR(-ENOMEM);
 
        iinfo = UDF_I(inode);
-       if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) {
+       if (UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_USE_EXTENDED_FE)) {
                iinfo->i_efe = 1;
                if (UDF_VERS_USE_EXTENDED_FE > sbi->s_udfrev)
                        sbi->s_udfrev = UDF_VERS_USE_EXTENDED_FE;
-               iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
-                                           sizeof(struct extendedFileEntry),
-                                           GFP_KERNEL);
+               iinfo->i_ext.i_data = kzalloc(inode_sb(inode)->s_blocksize -
+                                             sizeof(struct extendedFileEntry),
+                                             GFP_KERNEL);
        } else {
                iinfo->i_efe = 0;
-               iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
-                                           sizeof(struct fileEntry),
-                                           GFP_KERNEL);
+               iinfo->i_ext.i_data = kzalloc(inode_sb(inode)->s_blocksize -
+                                             sizeof(struct fileEntry),
+                                             GFP_KERNEL);
        }
        if (!iinfo->i_ext.i_data) {
                iput(inode);
@@ -82,7 +82,7 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode)
        }
 
        err = -ENOSPC;
-       block = udf_new_block(dir->i_sb, NULL,
+       block = udf_new_block(inode_sb(dir), NULL,
                              dinfo->i_location.partitionReferenceNum,
                              start, &err);
        if (err) {
@@ -114,9 +114,9 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode)
        iinfo->i_lenAlloc = 0;
        iinfo->i_use = 0;
        iinfo->i_checkpoint = 1;
-       if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_AD_IN_ICB))
+       if (UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_USE_AD_IN_ICB))
                iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB;
-       else if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
+       else if (UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_USE_SHORT_AD))
                iinfo->i_alloc_type = ICBTAG_FLAG_AD_SHORT;
        else
                iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG;
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index c23744d5ae5c..397d4ea29232 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -142,7 +142,8 @@ void udf_evict_inode(struct inode *inode)
        clear_inode(inode);
        if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB &&
            inode->i_size != iinfo->i_lenExtents) {
-               udf_warn(inode->i_sb, "Inode %lu (mode %o) has inode size %llu 
different from extent length %llu. Filesystem need not be standards 
compliant.\n",
+               udf_warn(inode_sb(inode),
+                        "Inode %lu (mode %o) has inode size %llu different 
from extent length %llu. Filesystem need not be standards compliant.\n",
                         inode->i_ino, inode->i_mode,
                         (unsigned long long)inode->i_size,
                         (unsigned long long)iinfo->i_lenExtents);
@@ -255,7 +256,7 @@ int udf_expand_file_adinicb(struct inode *inode)
 
        WARN_ON_ONCE(!inode_is_locked(inode));
        if (!iinfo->i_lenAlloc) {
-               if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
+               if (UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_USE_SHORT_AD))
                        iinfo->i_alloc_type = ICBTAG_FLAG_AD_SHORT;
                else
                        iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG;
@@ -289,7 +290,7 @@ int udf_expand_file_adinicb(struct inode *inode)
        memset(iinfo->i_ext.i_data + iinfo->i_lenEAttr, 0x00,
               iinfo->i_lenAlloc);
        iinfo->i_lenAlloc = 0;
-       if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
+       if (UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_USE_SHORT_AD))
                iinfo->i_alloc_type = ICBTAG_FLAG_AD_SHORT;
        else
                iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG;
@@ -331,7 +332,7 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode 
*inode,
        struct fileIdentDesc cfi, *sfi, *dfi;
        struct udf_inode_info *iinfo = UDF_I(inode);
 
-       if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
+       if (UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_USE_SHORT_AD))
                alloctype = ICBTAG_FLAG_AD_SHORT;
        else
                alloctype = ICBTAG_FLAG_AD_LONG;
@@ -343,27 +344,27 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode 
*inode,
        }
 
        /* alloc block, and copy data to it */
-       *block = udf_new_block(inode->i_sb, inode,
+       *block = udf_new_block(inode_sb(inode), inode,
                               iinfo->i_location.partitionReferenceNum,
                               iinfo->i_location.logicalBlockNum, err);
        if (!(*block))
                return NULL;
-       newblock = udf_get_pblock(inode->i_sb, *block,
+       newblock = udf_get_pblock(inode_sb(inode), *block,
                                  iinfo->i_location.partitionReferenceNum,
                                0);
        if (!newblock)
                return NULL;
-       dbh = udf_tgetblk(inode->i_sb, newblock);
+       dbh = udf_tgetblk(inode_sb(inode), newblock);
        if (!dbh)
                return NULL;
        lock_buffer(dbh);
-       memset(dbh->b_data, 0x00, inode->i_sb->s_blocksize);
+       memset(dbh->b_data, 0x00, inode_sb(inode)->s_blocksize);
        set_buffer_uptodate(dbh);
        unlock_buffer(dbh);
        mark_buffer_dirty_inode(dbh, inode);
 
        sfibh.soffset = sfibh.eoffset =
-                       f_pos & (inode->i_sb->s_blocksize - 1);
+                       f_pos & (inode_sb(inode)->s_blocksize - 1);
        sfibh.sbh = sfibh.ebh = NULL;
        dfibh.soffset = dfibh.eoffset = 0;
        dfibh.sbh = dfibh.ebh = dbh;
@@ -418,7 +419,7 @@ static int udf_get_block(struct inode *inode, sector_t 
block,
        if (!create) {
                phys = udf_block_map(inode, block);
                if (phys)
-                       map_bh(bh_result, inode->i_sb, phys);
+                       map_bh(bh_result, inode_sb(inode), phys);
                return 0;
        }
 
@@ -439,7 +440,7 @@ static int udf_get_block(struct inode *inode, sector_t 
block,
 
        if (new)
                set_buffer_new(bh_result);
-       map_bh(bh_result, inode->i_sb, phys);
+       map_bh(bh_result, inode_sb(inode), phys);
 
 abort:
        up_write(&iinfo->i_data_sem);
@@ -456,10 +457,10 @@ static struct buffer_head *udf_getblk(struct inode 
*inode, udf_pblk_t block,
        dummy.b_blocknr = -1000;
        *err = udf_get_block(inode, block, &dummy, create);
        if (!*err && buffer_mapped(&dummy)) {
-               bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
+               bh = sb_getblk(inode_sb(inode), dummy.b_blocknr);
                if (buffer_new(&dummy)) {
                        lock_buffer(bh);
-                       memset(bh->b_data, 0x00, inode->i_sb->s_blocksize);
+                       memset(bh->b_data, 0x00, inode_sb(inode)->s_blocksize);
                        set_buffer_uptodate(bh);
                        unlock_buffer(bh);
                        mark_buffer_dirty_inode(bh, inode);
@@ -478,7 +479,7 @@ static int udf_do_extend_file(struct inode *inode,
 {
        sector_t add;
        int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
        struct kernel_lb_addr prealloc_loc = {};
        uint32_t prealloc_len = 0;
        struct udf_inode_info *iinfo;
@@ -603,7 +604,7 @@ static int udf_extend_file(struct inode *inode, loff_t 
newsize)
        struct kernel_lb_addr eloc;
        uint32_t elen;
        int8_t etype;
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
        sector_t first_block = newsize >> sb->s_blocksize_bits, offset;
        int adsize;
        struct udf_inode_info *iinfo = UDF_I(inode);
@@ -677,7 +678,7 @@ static sector_t inode_getblk(struct inode *inode, sector_t 
block,
        prev_epos.block = iinfo->i_location;
        prev_epos.bh = NULL;
        cur_epos = next_epos = prev_epos;
-       b_off = (loff_t)block << inode->i_sb->s_blocksize_bits;
+       b_off = (loff_t)block << inode_sb(inode)->s_blocksize_bits;
 
        /* find the extent which contains the block we are looking for.
           alternate between laarr[0] and laarr[1] for locations of the
@@ -713,14 +714,14 @@ static sector_t inode_getblk(struct inode *inode, 
sector_t block,
 
                if (etype != (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
                        pgoal = eloc.logicalBlockNum +
-                               ((elen + inode->i_sb->s_blocksize - 1) >>
-                                inode->i_sb->s_blocksize_bits);
+                               ((elen + inode_sb(inode)->s_blocksize - 1) >>
+                                inode_sb(inode)->s_blocksize_bits);
 
                count++;
        } while (lbcount + elen <= b_off);
 
        b_off -= lbcount;
-       offset = b_off >> inode->i_sb->s_blocksize_bits;
+       offset = b_off >> inode_sb(inode)->s_blocksize_bits;
        /*
         * Move prev_epos and cur_epos into indirect extent if we are at
         * the pointer to it
@@ -732,13 +733,13 @@ static sector_t inode_getblk(struct inode *inode, 
sector_t block,
           if the extent is not a multiple of the blocksize, round up */
 
        if (etype == (EXT_RECORDED_ALLOCATED >> 30)) {
-               if (elen & (inode->i_sb->s_blocksize - 1)) {
+               if (elen & (inode_sb(inode)->s_blocksize - 1)) {
                        elen = EXT_RECORDED_ALLOCATED |
-                               ((elen + inode->i_sb->s_blocksize - 1) &
-                                ~(inode->i_sb->s_blocksize - 1));
+                               ((elen + inode_sb(inode)->s_blocksize - 1) &
+                                ~(inode_sb(inode)->s_blocksize - 1));
                        udf_write_aext(inode, &cur_epos, &eloc, elen, 1);
                }
-               newblock = udf_get_lb_pblock(inode->i_sb, &eloc, offset);
+               newblock = udf_get_lb_pblock(inode_sb(inode), &eloc, offset);
                goto out_free;
        }
 
@@ -777,7 +778,7 @@ static sector_t inode_getblk(struct inode *inode, sector_t 
block,
                        if (count)
                                c = !c;
                        laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
-                               inode->i_sb->s_blocksize;
+                               inode_sb(inode)->s_blocksize;
                        memset(&laarr[c].extLocation, 0x00,
                                sizeof(struct kernel_lb_addr));
                        count++;
@@ -823,16 +824,16 @@ static sector_t inode_getblk(struct inode *inode, 
sector_t block,
                                goal = iinfo->i_location.logicalBlockNum + 1;
                }
 
-               newblocknum = udf_new_block(inode->i_sb, inode,
-                               iinfo->i_location.partitionReferenceNum,
-                               goal, err);
+               newblocknum = udf_new_block(inode_sb(inode), inode,
+                                           
iinfo->i_location.partitionReferenceNum,
+                                           goal, err);
                if (!newblocknum) {
                        *err = -ENOSPC;
                        newblock = 0;
                        goto out_free;
                }
                if (isBeyondEOF)
-                       iinfo->i_lenExtents += inode->i_sb->s_blocksize;
+                       iinfo->i_lenExtents += inode_sb(inode)->s_blocksize;
        }
 
        /* if the extent the requsted block is located in contains multiple
@@ -856,8 +857,8 @@ static sector_t inode_getblk(struct inode *inode, sector_t 
block,
         * the new number of extents is less than the old number */
        udf_update_extents(inode, laarr, startnum, endnum, &prev_epos);
 
-       newblock = udf_get_pblock(inode->i_sb, newblocknum,
-                               iinfo->i_location.partitionReferenceNum, 0);
+       newblock = udf_get_pblock(inode_sb(inode), newblocknum,
+                                 iinfo->i_location.partitionReferenceNum, 0);
        if (!newblock) {
                *err = -EIO;
                goto out_free;
@@ -882,8 +883,8 @@ static void udf_split_extents(struct inode *inode, int *c, 
int offset,
                               udf_pblk_t newblocknum,
                               struct kernel_long_ad *laarr, int *endnum)
 {
-       unsigned long blocksize = inode->i_sb->s_blocksize;
-       unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
+       unsigned long blocksize = inode_sb(inode)->s_blocksize;
+       unsigned char blocksize_bits = inode_sb(inode)->s_blocksize_bits;
 
        if ((laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30) ||
            (laarr[*c].extLength >> 30) ==
@@ -905,7 +906,7 @@ static void udf_split_extents(struct inode *inode, int *c, 
int offset,
 
                if (offset) {
                        if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
-                               udf_free_blocks(inode->i_sb, inode,
+                               udf_free_blocks(inode_sb(inode), inode,
                                                &laarr[curr].extLocation,
                                                0, offset);
                                laarr[curr].extLength =
@@ -960,8 +961,8 @@ static void udf_prealloc_extents(struct inode *inode, int 
c, int lastblock,
                        length = currlength =
                                (((laarr[c + 1].extLength &
                                        UDF_EXTENT_LENGTH_MASK) +
-                               inode->i_sb->s_blocksize - 1) >>
-                               inode->i_sb->s_blocksize_bits);
+                               inode_sb(inode)->s_blocksize - 1) >>
+                                inode_sb(inode)->s_blocksize_bits);
                } else
                        start = c;
        }
@@ -974,8 +975,8 @@ static void udf_prealloc_extents(struct inode *inode, int 
c, int lastblock,
                                (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) {
                        length += (((laarr[i].extLength &
                                                UDF_EXTENT_LENGTH_MASK) +
-                                   inode->i_sb->s_blocksize - 1) >>
-                                   inode->i_sb->s_blocksize_bits);
+                                   inode_sb(inode)->s_blocksize - 1) >>
+                                   inode_sb(inode)->s_blocksize_bits);
                } else
                        break;
        }
@@ -983,18 +984,18 @@ static void udf_prealloc_extents(struct inode *inode, int 
c, int lastblock,
        if (length) {
                int next = laarr[start].extLocation.logicalBlockNum +
                        (((laarr[start].extLength & UDF_EXTENT_LENGTH_MASK) +
-                         inode->i_sb->s_blocksize - 1) >>
-                         inode->i_sb->s_blocksize_bits);
-               int numalloc = udf_prealloc_blocks(inode->i_sb, inode,
-                               laarr[start].extLocation.partitionReferenceNum,
-                               next, (UDF_DEFAULT_PREALLOC_BLOCKS > length ?
-                               length : UDF_DEFAULT_PREALLOC_BLOCKS) -
-                               currlength);
+                         inode_sb(inode)->s_blocksize - 1) >>
+                         inode_sb(inode)->s_blocksize_bits);
+               int numalloc = udf_prealloc_blocks(inode_sb(inode), inode,
+                                                  
laarr[start].extLocation.partitionReferenceNum,
+                                                  next, 
(UDF_DEFAULT_PREALLOC_BLOCKS > length ?
+                                                         length : 
UDF_DEFAULT_PREALLOC_BLOCKS) -
+                                                  currlength);
                if (numalloc)   {
                        if (start == (c + 1))
                                laarr[start].extLength +=
                                        (numalloc <<
-                                        inode->i_sb->s_blocksize_bits);
+                                        inode_sb(inode)->s_blocksize_bits);
                        else {
                                memmove(&laarr[c + 2], &laarr[c + 1],
                                        sizeof(struct long_ad) * (*endnum - (c 
+ 1)));
@@ -1006,20 +1007,20 @@ static void udf_prealloc_extents(struct inode *inode, 
int c, int lastblock,
                                laarr[c + 1].extLength =
                                        EXT_NOT_RECORDED_ALLOCATED |
                                        (numalloc <<
-                                        inode->i_sb->s_blocksize_bits);
+                                        inode_sb(inode)->s_blocksize_bits);
                                start = c + 1;
                        }
 
                        for (i = start + 1; numalloc && i < *endnum; i++) {
                                int elen = ((laarr[i].extLength &
                                                UDF_EXTENT_LENGTH_MASK) +
-                                           inode->i_sb->s_blocksize - 1) >>
-                                           inode->i_sb->s_blocksize_bits;
+                                           inode_sb(inode)->s_blocksize - 1) >>
+                                           inode_sb(inode)->s_blocksize_bits;
 
                                if (elen > numalloc) {
                                        laarr[i].extLength -=
                                                (numalloc <<
-                                                inode->i_sb->s_blocksize_bits);
+                                                
inode_sb(inode)->s_blocksize_bits);
                                        numalloc = 0;
                                } else {
                                        numalloc -= elen;
@@ -1033,7 +1034,7 @@ static void udf_prealloc_extents(struct inode *inode, int 
c, int lastblock,
                                }
                        }
                        UDF_I(inode)->i_lenExtents +=
-                               numalloc << inode->i_sb->s_blocksize_bits;
+                               numalloc << inode_sb(inode)->s_blocksize_bits;
                }
        }
 }
@@ -1042,8 +1043,8 @@ static void udf_merge_extents(struct inode *inode, struct 
kernel_long_ad *laarr,
                              int *endnum)
 {
        int i;
-       unsigned long blocksize = inode->i_sb->s_blocksize;
-       unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
+       unsigned long blocksize = inode_sb(inode)->s_blocksize;
+       unsigned char blocksize_bits = inode_sb(inode)->s_blocksize_bits;
 
        for (i = 0; i < (*endnum - 1); i++) {
                struct kernel_long_ad *li /*l[i]*/ = &laarr[i];
@@ -1090,7 +1091,8 @@ static void udf_merge_extents(struct inode *inode, struct 
kernel_long_ad *laarr,
                                (EXT_NOT_RECORDED_ALLOCATED >> 30)) &&
                           ((lip1->extLength >> 30) ==
                                (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) {
-                       udf_free_blocks(inode->i_sb, inode, &li->extLocation, 0,
+                       udf_free_blocks(inode_sb(inode), inode,
+                                       &li->extLocation, 0,
                                        ((li->extLength &
                                          UDF_EXTENT_LENGTH_MASK) +
                                         blocksize - 1) >> blocksize_bits);
@@ -1123,7 +1125,7 @@ static void udf_merge_extents(struct inode *inode, struct 
kernel_long_ad *laarr,
                        }
                } else if ((li->extLength >> 30) ==
                                        (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
-                       udf_free_blocks(inode->i_sb, inode,
+                       udf_free_blocks(inode_sb(inode), inode,
                                        &li->extLocation, 0,
                                        ((li->extLength &
                                                UDF_EXTENT_LENGTH_MASK) +
@@ -1269,11 +1271,11 @@ static int udf_read_inode(struct inode *inode, bool 
hidden_inode)
        struct extendedFileEntry *efe;
        uint16_t ident;
        struct udf_inode_info *iinfo = UDF_I(inode);
-       struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
+       struct udf_sb_info *sbi = UDF_SB(inode_sb(inode));
        struct kernel_lb_addr *iloc = &iinfo->i_location;
        unsigned int link_count;
        unsigned int indirections = 0;
-       int bs = inode->i_sb->s_blocksize;
+       int bs = inode_sb(inode)->s_blocksize;
        int ret = -EIO;
 
 reread:
@@ -1302,15 +1304,16 @@ static int udf_read_inode(struct inode *inode, bool 
hidden_inode)
         *      i_nlink = 1
         *      i_op = NULL;
         */
-       bh = udf_read_ptagged(inode->i_sb, iloc, 0, &ident);
+       bh = udf_read_ptagged(inode_sb(inode), iloc, 0, &ident);
        if (!bh) {
-               udf_err(inode->i_sb, "(ino %lu) failed !bh\n", inode->i_ino);
+               udf_err(inode_sb(inode), "(ino %lu) failed !bh\n",
+                       inode->i_ino);
                return -EIO;
        }
 
        if (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE &&
            ident != TAG_IDENT_USE) {
-               udf_err(inode->i_sb, "(ino %lu) failed ident=%u\n",
+               udf_err(inode_sb(inode), "(ino %lu) failed ident=%u\n",
                        inode->i_ino, ident);
                goto out;
        }
@@ -1321,7 +1324,7 @@ static int udf_read_inode(struct inode *inode, bool 
hidden_inode)
        if (fe->icbTag.strategyType == cpu_to_le16(4096)) {
                struct buffer_head *ibh;
 
-               ibh = udf_read_ptagged(inode->i_sb, iloc, 1, &ident);
+               ibh = udf_read_ptagged(inode_sb(inode), iloc, 1, &ident);
                if (ident == TAG_IDENT_IE && ibh) {
                        struct kernel_lb_addr loc;
                        struct indirectEntry *ie;
@@ -1334,7 +1337,7 @@ static int udf_read_inode(struct inode *inode, bool 
hidden_inode)
                                memcpy(&iinfo->i_location, &loc,
                                       sizeof(struct kernel_lb_addr));
                                if (++indirections > UDF_MAX_ICB_NESTING) {
-                                       udf_err(inode->i_sb,
+                                       udf_err(inode_sb(inode),
                                                "too many ICBs in ICB hierarchy"
                                                " (max %d supported)\n",
                                                UDF_MAX_ICB_NESTING);
@@ -1346,7 +1349,7 @@ static int udf_read_inode(struct inode *inode, bool 
hidden_inode)
                }
                brelse(ibh);
        } else if (fe->icbTag.strategyType != cpu_to_le16(4)) {
-               udf_err(inode->i_sb, "unsupported strategy type: %u\n",
+               udf_err(inode_sb(inode), "unsupported strategy type: %u\n",
                        le16_to_cpu(fe->icbTag.strategyType));
                goto out;
        }
@@ -1402,15 +1405,15 @@ static int udf_read_inode(struct inode *inode, bool 
hidden_inode)
        read_lock(&sbi->s_cred_lock);
        i_uid_write(inode, le32_to_cpu(fe->uid));
        if (!uid_valid(inode->i_uid) ||
-           UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_IGNORE) ||
-           UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_SET))
-               inode->i_uid = UDF_SB(inode->i_sb)->s_uid;
+           UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_UID_IGNORE) ||
+           UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_UID_SET))
+               inode->i_uid = UDF_SB(inode_sb(inode))->s_uid;
 
        i_gid_write(inode, le32_to_cpu(fe->gid));
        if (!gid_valid(inode->i_gid) ||
-           UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_IGNORE) ||
-           UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_SET))
-               inode->i_gid = UDF_SB(inode->i_sb)->s_gid;
+           UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_GID_IGNORE) ||
+           UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_GID_SET))
+               inode->i_gid = UDF_SB(inode_sb(inode))->s_gid;
 
        if (fe->icbTag.fileType != ICBTAG_FILE_TYPE_DIRECTORY &&
                        sbi->s_fmode != UDF_INVALID_MODE)
@@ -1438,7 +1441,7 @@ static int udf_read_inode(struct inode *inode, bool 
hidden_inode)
 
        if (iinfo->i_efe == 0) {
                inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) <<
-                       (inode->i_sb->s_blocksize_bits - 9);
+                       (inode_sb(inode)->s_blocksize_bits - 9);
 
                if (!udf_disk_stamp_to_time(&inode->i_atime, fe->accessTime))
                        inode->i_atime = sbi->s_record_time;
@@ -1456,7 +1459,7 @@ static int udf_read_inode(struct inode *inode, bool 
hidden_inode)
                iinfo->i_checkpoint = le32_to_cpu(fe->checkpoint);
        } else {
                inode->i_blocks = le64_to_cpu(efe->logicalBlocksRecorded) <<
-                   (inode->i_sb->s_blocksize_bits - 9);
+                   (inode_sb(inode)->s_blocksize_bits - 9);
 
                if (!udf_disk_stamp_to_time(&inode->i_atime, efe->accessTime))
                        inode->i_atime = sbi->s_record_time;
@@ -1547,7 +1550,8 @@ static int udf_read_inode(struct inode *inode, bool 
hidden_inode)
                udf_debug("METADATA BITMAP FILE-----\n");
                break;
        default:
-               udf_err(inode->i_sb, "(ino %lu) failed unknown file type=%u\n",
+               udf_err(inode_sb(inode),
+                       "(ino %lu) failed unknown file type=%u\n",
                        inode->i_ino, fe->icbTag.fileType);
                goto out;
        }
@@ -1624,19 +1628,19 @@ static int udf_update_inode(struct inode *inode, int 
do_sync)
        uint16_t icbflags;
        uint16_t crclen;
        int err = 0;
-       struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
-       unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
+       struct udf_sb_info *sbi = UDF_SB(inode_sb(inode));
+       unsigned char blocksize_bits = inode_sb(inode)->s_blocksize_bits;
        struct udf_inode_info *iinfo = UDF_I(inode);
 
-       bh = udf_tgetblk(inode->i_sb,
-                       udf_get_lb_pblock(inode->i_sb, &iinfo->i_location, 0));
+       bh = udf_tgetblk(inode_sb(inode),
+                        udf_get_lb_pblock(inode_sb(inode), &iinfo->i_location, 
0));
        if (!bh) {
                udf_debug("getblk failure\n");
                return -EIO;
        }
 
        lock_buffer(bh);
-       memset(bh->b_data, 0, inode->i_sb->s_blocksize);
+       memset(bh->b_data, 0, inode_sb(inode)->s_blocksize);
        fe = (struct fileEntry *)bh->b_data;
        efe = (struct extendedFileEntry *)bh->b_data;
 
@@ -1646,20 +1650,20 @@ static int udf_update_inode(struct inode *inode, int 
do_sync)
 
                use->lengthAllocDescs = cpu_to_le32(iinfo->i_lenAlloc);
                memcpy(bh->b_data + sizeof(struct unallocSpaceEntry),
-                      iinfo->i_ext.i_data, inode->i_sb->s_blocksize -
-                                       sizeof(struct unallocSpaceEntry));
+                      iinfo->i_ext.i_data, inode_sb(inode)->s_blocksize -
+                      sizeof(struct unallocSpaceEntry));
                use->descTag.tagIdent = cpu_to_le16(TAG_IDENT_USE);
                crclen = sizeof(struct unallocSpaceEntry);
 
                goto finish;
        }
 
-       if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_FORGET))
+       if (UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_UID_FORGET))
                fe->uid = cpu_to_le32(-1);
        else
                fe->uid = cpu_to_le32(i_uid_read(inode));
 
-       if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_FORGET))
+       if (UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_GID_FORGET))
                fe->gid = cpu_to_le32(-1);
        else
                fe->gid = cpu_to_le32(i_gid_read(inode));
@@ -1716,7 +1720,7 @@ static int udf_update_inode(struct inode *inode, int 
do_sync)
        if (iinfo->i_efe == 0) {
                memcpy(bh->b_data + sizeof(struct fileEntry),
                       iinfo->i_ext.i_data,
-                      inode->i_sb->s_blocksize - sizeof(struct fileEntry));
+                      inode_sb(inode)->s_blocksize - sizeof(struct fileEntry));
                fe->logicalBlocksRecorded = cpu_to_le64(lb_recorded);
 
                udf_time_to_disk_stamp(&fe->accessTime, inode->i_atime);
@@ -1735,8 +1739,8 @@ static int udf_update_inode(struct inode *inode, int 
do_sync)
        } else {
                memcpy(bh->b_data + sizeof(struct extendedFileEntry),
                       iinfo->i_ext.i_data,
-                      inode->i_sb->s_blocksize -
-                                       sizeof(struct extendedFileEntry));
+                      inode_sb(inode)->s_blocksize -
+                      sizeof(struct extendedFileEntry));
                efe->objectSize = cpu_to_le64(inode->i_size);
                efe->logicalBlocksRecorded = cpu_to_le64(lb_recorded);
 
@@ -1818,7 +1822,8 @@ static int udf_update_inode(struct inode *inode, int 
do_sync)
        if (do_sync) {
                sync_dirty_buffer(bh);
                if (buffer_write_io_error(bh)) {
-                       udf_warn(inode->i_sb, "IO error syncing udf inode 
[%08lx]\n",
+                       udf_warn(inode_sb(inode),
+                                "IO error syncing udf inode [%08lx]\n",
                                 inode->i_ino);
                        err = -EIO;
                }
@@ -1855,7 +1860,7 @@ struct inode *__udf_iget(struct super_block *sb, struct 
kernel_lb_addr *ino,
 int udf_setup_indirect_aext(struct inode *inode, udf_pblk_t block,
                            struct extent_position *epos)
 {
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
        struct buffer_head *bh;
        struct allocExtDesc *aed;
        struct extent_position nepos;
@@ -1951,7 +1956,7 @@ int __udf_add_aext(struct inode *inode, struct 
extent_position *epos,
                aed = (struct allocExtDesc *)epos->bh->b_data;
                WARN_ON(le32_to_cpu(aed->lengthAllocDescs) !=
                        epos->offset - sizeof(struct allocExtDesc));
-               WARN_ON(epos->offset + adsize > inode->i_sb->s_blocksize);
+               WARN_ON(epos->offset + adsize > inode_sb(inode)->s_blocksize);
        }
 
        udf_write_aext(inode, epos, eloc, elen, inc);
@@ -1962,8 +1967,8 @@ int __udf_add_aext(struct inode *inode, struct 
extent_position *epos,
        } else {
                aed = (struct allocExtDesc *)epos->bh->b_data;
                le32_add_cpu(&aed->lengthAllocDescs, adsize);
-               if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
-                               UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
+               if (!UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_STRICT) ||
+                               UDF_SB(inode_sb(inode))->s_udfrev >= 0x0201)
                        udf_update_tag(epos->bh->b_data,
                                        epos->offset + (inc ? 0 : adsize));
                else
@@ -1983,7 +1988,7 @@ int udf_add_aext(struct inode *inode, struct 
extent_position *epos,
                 struct kernel_lb_addr *eloc, uint32_t elen, int inc)
 {
        int adsize;
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
 
        if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
                adsize = sizeof(struct short_ad);
@@ -2045,8 +2050,8 @@ void udf_write_aext(struct inode *inode, struct 
extent_position *epos,
        }
 
        if (epos->bh) {
-               if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
-                   UDF_SB(inode->i_sb)->s_udfrev >= 0x0201) {
+               if (!UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_STRICT) ||
+                   UDF_SB(inode_sb(inode))->s_udfrev >= 0x0201) {
                        struct allocExtDesc *aed =
                                (struct allocExtDesc *)epos->bh->b_data;
                        udf_update_tag(epos->bh->b_data,
@@ -2079,7 +2084,7 @@ int8_t udf_next_aext(struct inode *inode, struct 
extent_position *epos,
                udf_pblk_t block;
 
                if (++indirections > UDF_MAX_INDIR_EXTS) {
-                       udf_err(inode->i_sb,
+                       udf_err(inode_sb(inode),
                                "too many indirect extents in inode %lu\n",
                                inode->i_ino);
                        return -1;
@@ -2088,8 +2093,8 @@ int8_t udf_next_aext(struct inode *inode, struct 
extent_position *epos,
                epos->block = *eloc;
                epos->offset = sizeof(struct allocExtDesc);
                brelse(epos->bh);
-               block = udf_get_lb_pblock(inode->i_sb, &epos->block, 0);
-               epos->bh = udf_tread(inode->i_sb, block);
+               block = udf_get_lb_pblock(inode_sb(inode), &epos->block, 0);
+               epos->bh = udf_tread(inode_sb(inode), block);
                if (!epos->bh) {
                        udf_debug("reading block %u failed!\n", block);
                        return -1;
@@ -2214,7 +2219,7 @@ int8_t udf_delete_aext(struct inode *inode, struct 
extent_position epos,
        elen = 0;
 
        if (epos.bh != oepos.bh) {
-               udf_free_blocks(inode->i_sb, inode, &epos.block, 0, 1);
+               udf_free_blocks(inode_sb(inode), inode, &epos.block, 0, 1);
                udf_write_aext(inode, &oepos, &eloc, elen, 1);
                udf_write_aext(inode, &oepos, &eloc, elen, 1);
                if (!oepos.bh) {
@@ -2223,8 +2228,8 @@ int8_t udf_delete_aext(struct inode *inode, struct 
extent_position epos,
                } else {
                        aed = (struct allocExtDesc *)oepos.bh->b_data;
                        le32_add_cpu(&aed->lengthAllocDescs, -(2 * adsize));
-                       if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
-                           UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
+                       if (!UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_STRICT) ||
+                           UDF_SB(inode_sb(inode))->s_udfrev >= 0x0201)
                                udf_update_tag(oepos.bh->b_data,
                                                oepos.offset - (2 * adsize));
                        else
@@ -2240,8 +2245,8 @@ int8_t udf_delete_aext(struct inode *inode, struct 
extent_position epos,
                } else {
                        aed = (struct allocExtDesc *)oepos.bh->b_data;
                        le32_add_cpu(&aed->lengthAllocDescs, -adsize);
-                       if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
-                           UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
+                       if (!UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_STRICT) ||
+                           UDF_SB(inode_sb(inode))->s_udfrev >= 0x0201)
                                udf_update_tag(oepos.bh->b_data,
                                                epos.offset - adsize);
                        else
@@ -2261,7 +2266,7 @@ int8_t inode_bmap(struct inode *inode, sector_t block,
                  struct extent_position *pos, struct kernel_lb_addr *eloc,
                  uint32_t *elen, sector_t *offset)
 {
-       unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
+       unsigned char blocksize_bits = inode_sb(inode)->s_blocksize_bits;
        loff_t lbcount = 0, bcount = (loff_t) block << blocksize_bits;
        int8_t etype;
        struct udf_inode_info *iinfo;
@@ -2301,14 +2306,14 @@ udf_pblk_t udf_block_map(struct inode *inode, sector_t 
block)
 
        if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) ==
                                                (EXT_RECORDED_ALLOCATED >> 30))
-               ret = udf_get_lb_pblock(inode->i_sb, &eloc, offset);
+               ret = udf_get_lb_pblock(inode_sb(inode), &eloc, offset);
        else
                ret = 0;
 
        up_read(&UDF_I(inode)->i_data_sem);
        brelse(epos.bh);
 
-       if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_VARCONV))
+       if (UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_VARCONV))
                return udf_fixed_to_variable(ret);
        else
                return ret;
diff --git a/fs/udf/misc.c b/fs/udf/misc.c
index 401e64cde1be..9aaae9329f27 100644
--- a/fs/udf/misc.c
+++ b/fs/udf/misc.c
@@ -60,7 +60,7 @@ struct genericFormat *udf_add_extendedattr(struct inode 
*inode, uint32_t size,
                size += sizeof(struct extendedAttrHeaderDesc);
        }
 
-       offset = inode->i_sb->s_blocksize - udf_file_entry_alloc_offset(inode) -
+       offset = inode_sb(inode)->s_blocksize - 
udf_file_entry_alloc_offset(inode) -
                iinfo->i_lenAlloc;
 
        /* TODO - Check for FreeEASpace */
@@ -80,7 +80,7 @@ struct genericFormat *udf_add_extendedattr(struct inode 
*inode, uint32_t size,
                                        iinfo->i_location.logicalBlockNum)
                                return NULL;
                } else {
-                       struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
+                       struct udf_sb_info *sbi = UDF_SB(inode_sb(inode));
 
                        size -= sizeof(struct extendedAttrHeaderDesc);
                        iinfo->i_lenEAttr +=
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 0458dd47e105..a6bd6fa95d7d 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -178,7 +178,7 @@ static struct fileIdentDesc *udf_find_entry(struct inode 
*dir,
        struct udf_inode_info *dinfo = UDF_I(dir);
        int isdotdot = child->len == 2 &&
                child->name[0] == '.' && child->name[1] == '.';
-       struct super_block *sb = dir->i_sb;
+       struct super_block *sb = inode_sb(dir);
 
        size = udf_ext0_offset(dir) + dir->i_size;
        f_pos = udf_ext0_offset(dir);
@@ -313,7 +313,7 @@ static struct dentry *udf_lookup(struct inode *dir, struct 
dentry *dentry,
                                simple_strtoul(dentry->d_name.name + 3,
                                                NULL, 0),
                };
-               inode = udf_iget(dir->i_sb, lb);
+               inode = udf_iget(inode_sb(dir), lb);
                if (IS_ERR(inode))
                        return inode;
        } else
@@ -331,7 +331,7 @@ static struct dentry *udf_lookup(struct inode *dir, struct 
dentry *dentry,
                brelse(fibh.sbh);
 
                loc = lelb_to_cpu(cfi.icb.extLocation);
-               inode = udf_iget(dir->i_sb, &loc);
+               inode = udf_iget(inode_sb(dir), &loc);
                if (IS_ERR(inode))
                        return ERR_CAST(inode);
        }
@@ -344,7 +344,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode 
*dir,
                                           struct udf_fileident_bh *fibh,
                                           struct fileIdentDesc *cfi, int *err)
 {
-       struct super_block *sb = dir->i_sb;
+       struct super_block *sb = inode_sb(dir);
        struct fileIdentDesc *fi = NULL;
        unsigned char *name = NULL;
        int namelen;
@@ -387,18 +387,18 @@ static struct fileIdentDesc *udf_add_entry(struct inode 
*dir,
 
        f_pos = udf_ext0_offset(dir);
 
-       fibh->soffset = fibh->eoffset = f_pos & (dir->i_sb->s_blocksize - 1);
+       fibh->soffset = fibh->eoffset = f_pos & (inode_sb(dir)->s_blocksize - 
1);
        dinfo = UDF_I(dir);
        if (dinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) {
-               if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits, &epos,
-                   &eloc, &elen, &offset) != (EXT_RECORDED_ALLOCATED >> 30)) {
-                       block = udf_get_lb_pblock(dir->i_sb,
-                                       &dinfo->i_location, 0);
+               if (inode_bmap(dir, f_pos >> inode_sb(dir)->s_blocksize_bits, 
&epos,
+                              &eloc, &elen, &offset) != 
(EXT_RECORDED_ALLOCATED >> 30)) {
+                       block = udf_get_lb_pblock(inode_sb(dir),
+                                                 &dinfo->i_location, 0);
                        fibh->soffset = fibh->eoffset = sb->s_blocksize;
                        goto add;
                }
-               block = udf_get_lb_pblock(dir->i_sb, &eloc, offset);
-               if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
+               block = udf_get_lb_pblock(inode_sb(dir), &eloc, offset);
+               if ((++offset << inode_sb(dir)->s_blocksize_bits) < elen) {
                        if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
                                epos.offset -= sizeof(struct short_ad);
                        else if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
@@ -406,7 +406,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode 
*dir,
                } else
                        offset = 0;
 
-               fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block);
+               fibh->sbh = fibh->ebh = udf_tread(inode_sb(dir), block);
                if (!fibh->sbh) {
                        *err = -EIO;
                        goto out_err;
@@ -488,7 +488,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode 
*dir,
                } else {
                        block = eloc.logicalBlockNum +
                                        ((elen - 1) >>
-                                               dir->i_sb->s_blocksize_bits);
+                                               
inode_sb(dir)->s_blocksize_bits);
                        fi = (struct fileIdentDesc *)
                                (fibh->sbh->b_data + fibh->soffset);
                }
@@ -511,9 +511,10 @@ static struct fileIdentDesc *udf_add_entry(struct inode 
*dir,
                }
 
                block = eloc.logicalBlockNum + ((elen - 1) >>
-                                               dir->i_sb->s_blocksize_bits);
+                                               
inode_sb(dir)->s_blocksize_bits);
                fibh->ebh = udf_bread(dir,
-                               f_pos >> dir->i_sb->s_blocksize_bits, 1, err);
+                               f_pos >> inode_sb(dir)->s_blocksize_bits, 1,
+                               err);
                if (!fibh->ebh)
                        goto out_err;
                /* Extents could have been merged, invalidate our position */
@@ -528,7 +529,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode 
*dir,
                                (EXT_RECORDED_ALLOCATED >> 30))
                                ;
                        block = eloc.logicalBlockNum + ((elen - 1) >>
-                                       dir->i_sb->s_blocksize_bits);
+                                       inode_sb(dir)->s_blocksize_bits);
                        brelse(fibh->sbh);
                        fibh->sbh = fibh->ebh;
                        fi = (struct fileIdentDesc *)(fibh->sbh->b_data);
@@ -591,7 +592,7 @@ static int udf_delete_entry(struct inode *inode, struct 
fileIdentDesc *fi,
 {
        cfi->fileCharacteristics |= FID_FILE_CHAR_DELETED;
 
-       if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT))
+       if (UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_STRICT))
                memset(&(cfi->icb), 0x00, sizeof(struct long_ad));
 
        return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL);
@@ -612,7 +613,7 @@ static int udf_add_nondir(struct dentry *dentry, struct 
inode *inode)
                iput(inode);
                return err;
        }
-       cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
+       cfi.icb.extLength = cpu_to_le32(inode_sb(inode)->s_blocksize);
        cfi.icb.extLocation = cpu_to_lelb(iinfo->i_location);
        *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
                cpu_to_le32(iinfo->i_unique & 0x00000000FFFFFFFFUL);
@@ -706,7 +707,7 @@ static int udf_mkdir(struct inode *dir, struct dentry 
*dentry, umode_t mode)
                goto out;
        }
        set_nlink(inode, 2);
-       cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
+       cfi.icb.extLength = cpu_to_le32(inode_sb(inode)->s_blocksize);
        cfi.icb.extLocation = cpu_to_lelb(dinfo->i_location);
        *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
                cpu_to_le32(dinfo->i_unique & 0x00000000FFFFFFFFUL);
@@ -724,7 +725,7 @@ static int udf_mkdir(struct inode *dir, struct dentry 
*dentry, umode_t mode)
                iput(inode);
                goto out;
        }
-       cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
+       cfi.icb.extLength = cpu_to_le32(inode_sb(inode)->s_blocksize);
        cfi.icb.extLocation = cpu_to_lelb(iinfo->i_location);
        *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
                cpu_to_le32(iinfo->i_unique & 0x00000000FFFFFFFFUL);
@@ -758,15 +759,15 @@ static int empty_dir(struct inode *dir)
        struct udf_inode_info *dinfo = UDF_I(dir);
 
        f_pos = udf_ext0_offset(dir);
-       fibh.soffset = fibh.eoffset = f_pos & (dir->i_sb->s_blocksize - 1);
+       fibh.soffset = fibh.eoffset = f_pos & (inode_sb(dir)->s_blocksize - 1);
 
        if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)
                fibh.sbh = fibh.ebh = NULL;
-       else if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits,
+       else if (inode_bmap(dir, f_pos >> inode_sb(dir)->s_blocksize_bits,
                              &epos, &eloc, &elen, &offset) ==
                                        (EXT_RECORDED_ALLOCATED >> 30)) {
-               block = udf_get_lb_pblock(dir->i_sb, &eloc, offset);
-               if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
+               block = udf_get_lb_pblock(inode_sb(dir), &eloc, offset);
+               if ((++offset << inode_sb(dir)->s_blocksize_bits) < elen) {
                        if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
                                epos.offset -= sizeof(struct short_ad);
                        else if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
@@ -774,7 +775,7 @@ static int empty_dir(struct inode *dir)
                } else
                        offset = 0;
 
-               fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block);
+               fibh.sbh = fibh.ebh = udf_tread(inode_sb(dir), block);
                if (!fibh.sbh) {
                        brelse(epos.bh);
                        return 0;
@@ -831,7 +832,7 @@ static int udf_rmdir(struct inode *dir, struct dentry 
*dentry)
 
        retval = -EIO;
        tloc = lelb_to_cpu(cfi.icb.extLocation);
-       if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino)
+       if (udf_get_lb_pblock(inode_sb(dir), &tloc, 0) != inode->i_ino)
                goto end_rmdir;
        retval = -ENOTEMPTY;
        if (!empty_dir(inode))
@@ -840,7 +841,8 @@ static int udf_rmdir(struct inode *dir, struct dentry 
*dentry)
        if (retval)
                goto end_rmdir;
        if (inode->i_nlink != 2)
-               udf_warn(inode->i_sb, "empty directory has nlink != 2 (%u)\n",
+               udf_warn(inode_sb(inode),
+                        "empty directory has nlink != 2 (%u)\n",
                         inode->i_nlink);
        clear_nlink(inode);
        inode->i_size = 0;
@@ -878,7 +880,7 @@ static int udf_unlink(struct inode *dir, struct dentry 
*dentry)
 
        retval = -EIO;
        tloc = lelb_to_cpu(cfi.icb.extLocation);
-       if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino)
+       if (udf_get_lb_pblock(inode_sb(dir), &tloc, 0) != inode->i_ino)
                goto end_unlink;
 
        if (!inode->i_nlink) {
@@ -918,7 +920,7 @@ static int udf_symlink(struct inode *dir, struct dentry 
*dentry,
        unsigned char *name = NULL;
        int namelen;
        struct udf_inode_info *iinfo;
-       struct super_block *sb = dir->i_sb;
+       struct super_block *sb = inode_sb(dir);
 
        if (IS_ERR(inode))
                return PTR_ERR(inode);
@@ -1066,11 +1068,11 @@ static int udf_link(struct dentry *old_dentry, struct 
inode *dir,
        if (!fi) {
                return err;
        }
-       cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
+       cfi.icb.extLength = cpu_to_le32(inode_sb(inode)->s_blocksize);
        cfi.icb.extLocation = cpu_to_lelb(UDF_I(inode)->i_location);
-       if (UDF_SB(inode->i_sb)->s_lvid_bh) {
+       if (UDF_SB(inode_sb(inode))->s_lvid_bh) {
                *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
-                       cpu_to_le32(lvid_get_unique_id(inode->i_sb));
+                       cpu_to_le32(lvid_get_unique_id(inode_sb(inode)));
        }
        udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
        if (UDF_I(dir)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)
@@ -1121,7 +1123,7 @@ static int udf_rename(struct inode *old_dir, struct 
dentry *old_dentry,
 
        brelse(ofibh.sbh);
        tloc = lelb_to_cpu(ocfi.icb.extLocation);
-       if (!ofi || udf_get_lb_pblock(old_dir->i_sb, &tloc, 0)
+       if (!ofi || udf_get_lb_pblock(inode_sb(old_dir), &tloc, 0)
            != old_inode->i_ino)
                goto end_rename;
 
@@ -1151,18 +1153,20 @@ static int udf_rename(struct inode *old_dir, struct 
dentry *old_dentry,
                                          (old_iinfo->i_efe ?
                                           sizeof(struct extendedFileEntry) :
                                           sizeof(struct fileEntry)),
-                                       old_inode->i_sb->s_blocksize, &offset);
+                                       inode_sb(old_inode)->s_blocksize,
+                                       &offset);
                } else {
                        dir_bh = udf_bread(old_inode, 0, 0, &retval);
                        if (!dir_bh)
                                goto end_rename;
                        dir_fi = udf_get_fileident(dir_bh->b_data,
-                                       old_inode->i_sb->s_blocksize, &offset);
+                                       inode_sb(old_inode)->s_blocksize,
+                                       &offset);
                }
                if (!dir_fi)
                        goto end_rename;
                tloc = lelb_to_cpu(dir_fi->icb.extLocation);
-               if (udf_get_lb_pblock(old_inode->i_sb, &tloc, 0) !=
+               if (udf_get_lb_pblock(inode_sb(old_inode), &tloc, 0) !=
                                old_dir->i_ino)
                        goto end_rename;
        }
diff --git a/fs/udf/partition.c b/fs/udf/partition.c
index 090baff83990..ed7e8a9503da 100644
--- a/fs/udf/partition.c
+++ b/fs/udf/partition.c
@@ -280,7 +280,7 @@ int udf_relocate_blocks(struct super_block *sb, long 
old_block, long *new_block)
 static uint32_t udf_try_read_meta(struct inode *inode, uint32_t block,
                                        uint16_t partition, uint32_t offset)
 {
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
        struct udf_part_map *map;
        struct kernel_lb_addr eloc;
        uint32_t elen;
diff --git a/fs/udf/super.c b/fs/udf/super.c
index f73239a9a97d..41f42951126a 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -2451,7 +2451,7 @@ static unsigned int udf_count_free_table(struct 
super_block *sb,
        epos.bh = NULL;
 
        while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1)
-               accum += (elen >> table->i_sb->s_blocksize_bits);
+               accum += (elen >> inode_sb(table)->s_blocksize_bits);
 
        brelse(epos.bh);
        mutex_unlock(&UDF_SB(sb)->s_alloc_mutex);
diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c
index 6023c97c6da2..22b521053b5d 100644
--- a/fs/udf/symlink.c
+++ b/fs/udf/symlink.c
@@ -112,7 +112,7 @@ static int udf_symlink_filler(struct file *file, struct 
page *page)
        uint32_t pos;
 
        /* We don't support symlinks longer than one block */
-       if (inode->i_size > inode->i_sb->s_blocksize) {
+       if (inode->i_size > inode_sb(inode)->s_blocksize) {
                err = -ENAMETOOLONG;
                goto out_unmap;
        }
@@ -124,7 +124,7 @@ static int udf_symlink_filler(struct file *file, struct 
page *page)
        if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
                symlink = iinfo->i_ext.i_data + iinfo->i_lenEAttr;
        } else {
-               bh = sb_bread(inode->i_sb, pos);
+               bh = sb_bread(inode_sb(inode), pos);
 
                if (!bh) {
                        err = -EIO;
@@ -134,7 +134,8 @@ static int udf_symlink_filler(struct file *file, struct 
page *page)
                symlink = bh->b_data;
        }
 
-       err = udf_pc_to_char(inode->i_sb, symlink, inode->i_size, p, PAGE_SIZE);
+       err = udf_pc_to_char(inode_sb(inode), symlink, inode->i_size, p,
+                            PAGE_SIZE);
        brelse(bh);
        if (err)
                goto out_unlock_inode;
diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c
index b647f0bd150c..cbb31c433908 100644
--- a/fs/udf/truncate.c
+++ b/fs/udf/truncate.c
@@ -31,14 +31,14 @@ static void extent_trunc(struct inode *inode, struct 
extent_position *epos,
                         uint32_t nelen)
 {
        struct kernel_lb_addr neloc = {};
-       int last_block = (elen + inode->i_sb->s_blocksize - 1) >>
-               inode->i_sb->s_blocksize_bits;
-       int first_block = (nelen + inode->i_sb->s_blocksize - 1) >>
-               inode->i_sb->s_blocksize_bits;
+       int last_block = (elen + inode_sb(inode)->s_blocksize - 1) >>
+               inode_sb(inode)->s_blocksize_bits;
+       int first_block = (nelen + inode_sb(inode)->s_blocksize - 1) >>
+               inode_sb(inode)->s_blocksize_bits;
 
        if (nelen) {
                if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
-                       udf_free_blocks(inode->i_sb, inode, eloc, 0,
+                       udf_free_blocks(inode_sb(inode), inode, eloc, 0,
                                        last_block);
                        etype = (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30);
                } else
@@ -53,7 +53,7 @@ static void extent_trunc(struct inode *inode, struct 
extent_position *epos,
                                mark_inode_dirty(inode);
 
                        if (etype != (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
-                               udf_free_blocks(inode->i_sb, inode, eloc,
+                               udf_free_blocks(inode_sb(inode), inode, eloc,
                                                first_block,
                                                last_block - first_block);
                }
@@ -93,8 +93,8 @@ void udf_truncate_tail_extent(struct inode *inode)
                etype = netype;
                lbcount += elen;
                if (lbcount > inode->i_size) {
-                       if (lbcount - inode->i_size >= inode->i_sb->s_blocksize)
-                               udf_warn(inode->i_sb,
+                       if (lbcount - inode->i_size >= 
inode_sb(inode)->s_blocksize)
+                               udf_warn(inode_sb(inode),
                                         "Too long extent after EOF in inode 
%u: i_size: %lld lbcount: %lld extent %u+%u\n",
                                         (unsigned)inode->i_ino,
                                         (long long)inode->i_size,
@@ -106,7 +106,7 @@ void udf_truncate_tail_extent(struct inode *inode)
                        extent_trunc(inode, &epos, &eloc, etype, elen, nelen);
                        epos.offset += adsize;
                        if (udf_next_aext(inode, &epos, &eloc, &elen, 1) != -1)
-                               udf_err(inode->i_sb,
+                               udf_err(inode_sb(inode),
                                        "Extent after EOF in inode %u\n",
                                        (unsigned)inode->i_ino);
                        break;
@@ -161,8 +161,8 @@ void udf_discard_prealloc(struct inode *inode)
                        aed->lengthAllocDescs =
                                cpu_to_le32(epos.offset -
                                            sizeof(struct allocExtDesc));
-                       if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
-                           UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
+                       if (!UDF_QUERY_FLAG(inode_sb(inode), UDF_FLAG_STRICT) ||
+                           UDF_SB(inode_sb(inode))->s_udfrev >= 0x0201)
                                udf_update_tag(epos.bh->b_data, epos.offset);
                        else
                                udf_update_tag(epos.bh->b_data,
@@ -180,7 +180,7 @@ static void udf_update_alloc_ext_desc(struct inode *inode,
                                      struct extent_position *epos,
                                      u32 lenalloc)
 {
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
        struct udf_sb_info *sbi = UDF_SB(sb);
 
        struct allocExtDesc *aed = (struct allocExtDesc *) (epos->bh->b_data);
@@ -205,7 +205,7 @@ void udf_truncate_extents(struct inode *inode)
        struct kernel_lb_addr eloc, neloc = {};
        uint32_t elen, nelen = 0, indirect_ext_len = 0, lenalloc;
        int8_t etype;
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
        sector_t first_block = inode->i_size >> sb->s_blocksize_bits, offset;
        loff_t byte_offset;
        int adsize;
-- 
2.15.1

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