The following functions had a struct btrfs_root * parameter which went
unused:
btrfs_set_block_group_rw
btrfs_destroy_delayed_refs
btrfs_csum_data
extent_data_ref_count
copy_to_sk
Signed-off-by: Arne Jansen <sensi...@gmx.net>
---
fs/btrfs/compression.c | 3 +--
fs/btrfs/ctree.c | 20 ++++++++++----------
fs/btrfs/ctree.h | 5 +----
fs/btrfs/disk-io.c | 14 ++++++--------
fs/btrfs/disk-io.h | 2 +-
fs/btrfs/extent-tree.c | 16 ++++++----------
fs/btrfs/file-item.c | 3 +--
fs/btrfs/free-space-cache.c | 6 +++---
fs/btrfs/inode.c | 7 +++----
fs/btrfs/ioctl.c | 5 ++---
fs/btrfs/relocation.c | 2 +-
fs/btrfs/scrub.c | 7 +++----
12 files changed, 38 insertions(+), 52 deletions(-)
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index bfe42b0..2182cc5 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -105,7 +105,6 @@ static int check_compressed_csum(struct inode *inode,
u64 disk_start)
{
int ret;
- struct btrfs_root *root = BTRFS_I(inode)->root;
struct page *page;
unsigned long i;
char *kaddr;
@@ -120,7 +119,7 @@ static int check_compressed_csum(struct inode *inode,
csum = ~(u32)0;
kaddr = kmap_atomic(page, KM_USER0);
- csum = btrfs_csum_data(root, kaddr, csum, PAGE_CACHE_SIZE);
+ csum = btrfs_csum_data(kaddr, csum, PAGE_CACHE_SIZE);
btrfs_csum_final(csum, (char *)&csum);
kunmap_atomic(kaddr, KM_USER0);
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index b0e18d9..670bed7 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -339,7 +339,7 @@ static noinline int update_ref_for_cow(struct
btrfs_trans_handle *trans,
BUG_ON(ret);
}
if (new_flags != 0) {
- ret = btrfs_set_disk_extent_flags(trans, root,
+ ret = btrfs_set_disk_extent_flags(trans,
buf->start,
buf->len,
new_flags, 0);
@@ -1763,7 +1763,7 @@ done:
* fixing up the blocks in ram so the tree is consistent.
*/
static int fixup_low_keys(struct btrfs_trans_handle *trans,
- struct btrfs_root *root, struct btrfs_path *path,
+ struct btrfs_path *path,
struct btrfs_disk_key *key, int level)
{
int i;
@@ -1814,7 +1814,7 @@ int btrfs_set_item_key_safe(struct btrfs_trans_handle
*trans,
btrfs_set_item_key(eb, &disk_key, slot);
btrfs_mark_buffer_dirty(eb);
if (slot == 0)
- fixup_low_keys(trans, root, path, &disk_key, 1);
+ fixup_low_keys(trans, path, &disk_key, 1);
return 0;
}
@@ -2579,7 +2579,7 @@ static noinline int __push_leaf_left(struct
btrfs_trans_handle *trans,
clean_tree_block(trans, root, right);
btrfs_item_key(right, &disk_key, 0);
- wret = fixup_low_keys(trans, root, path, &disk_key, 1);
+ wret = fixup_low_keys(trans, path, &disk_key, 1);
if (wret)
ret = wret;
@@ -2966,7 +2966,7 @@ again:
path->nodes[0] = right;
path->slots[0] = 0;
if (path->slots[1] == 0) {
- wret = fixup_low_keys(trans, root,
+ wret = fixup_low_keys(trans,
path, &disk_key, 1);
if (wret)
ret = wret;
@@ -3301,7 +3301,7 @@ int btrfs_truncate_item(struct btrfs_trans_handle *trans,
btrfs_set_disk_key_offset(&disk_key, offset + size_diff);
btrfs_set_item_key(leaf, &disk_key, slot);
if (slot == 0)
- fixup_low_keys(trans, root, path, &disk_key, 1);
+ fixup_low_keys(trans, path, &disk_key, 1);
}
item = btrfs_item_nr(leaf, slot);
@@ -3532,7 +3532,7 @@ int btrfs_insert_some_items(struct btrfs_trans_handle
*trans,
ret = 0;
if (slot == 0) {
btrfs_cpu_key_to_disk(&disk_key, cpu_key);
- ret = fixup_low_keys(trans, root, path, &disk_key, 1);
+ ret = fixup_low_keys(trans, path, &disk_key, 1);
}
if (btrfs_leaf_free_space(root, leaf) < 0) {
@@ -3638,7 +3638,7 @@ int setup_items_for_insert(struct btrfs_trans_handle
*trans,
ret = 0;
if (slot == 0) {
btrfs_cpu_key_to_disk(&disk_key, cpu_key);
- ret = fixup_low_keys(trans, root, path, &disk_key, 1);
+ ret = fixup_low_keys(trans, path, &disk_key, 1);
}
btrfs_unlock_up_safe(path, 1);
btrfs_mark_buffer_dirty(leaf);
@@ -3745,7 +3745,7 @@ static int del_ptr(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_disk_key disk_key;
btrfs_node_key(parent, &disk_key, 0);
- wret = fixup_low_keys(trans, root, path, &disk_key, level + 1);
+ wret = fixup_low_keys(trans, path, &disk_key, level + 1);
if (wret)
ret = wret;
}
@@ -3862,7 +3862,7 @@ int btrfs_del_items(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_disk_key disk_key;
btrfs_item_key(leaf, &disk_key, 0);
- wret = fixup_low_keys(trans, root, path,
+ wret = fixup_low_keys(trans, path,
&disk_key, 1);
if (wret)
ret = wret;
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 6c093fa..b51a06c 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2148,7 +2148,6 @@ struct extent_buffer *btrfs_init_new_buffer(struct
btrfs_trans_handle *trans,
u64 bytenr, u32 blocksize,
int level);
int btrfs_alloc_reserved_file_extent(struct btrfs_trans_handle *trans,
- struct btrfs_root *root,
u64 root_objectid, u64 owner,
u64 offset, struct btrfs_key *ins);
int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans,
@@ -2166,7 +2165,6 @@ int btrfs_inc_ref(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
struct extent_buffer *buf, int full_backref);
int btrfs_set_disk_extent_flags(struct btrfs_trans_handle *trans,
- struct btrfs_root *root,
u64 bytenr, u64 num_bytes, u64 flags,
int is_data);
int btrfs_free_extent(struct btrfs_trans_handle *trans,
@@ -2240,8 +2238,7 @@ void btrfs_block_rsv_release(struct btrfs_root *root,
u64 num_bytes);
int btrfs_set_block_group_ro(struct btrfs_root *root,
struct btrfs_block_group_cache *cache);
-int btrfs_set_block_group_rw(struct btrfs_root *root,
- struct btrfs_block_group_cache *cache);
+int btrfs_set_block_group_rw(struct btrfs_block_group_cache *cache);
void btrfs_put_block_group_cache(struct btrfs_fs_info *info);
u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo);
int btrfs_error_unpin_extent_range(struct btrfs_root *root,
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 98b6a71..c67a1e6 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -51,8 +51,7 @@ static void btrfs_check_super_valid(struct btrfs_fs_info
*fs_info,
int read_only);
static int btrfs_destroy_ordered_operations(struct btrfs_root *root);
static int btrfs_destroy_ordered_extents(struct btrfs_root *root);
-static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
- struct btrfs_root *root);
+static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans);
static int btrfs_destroy_pending_snapshots(struct btrfs_transaction *t);
static int btrfs_destroy_delalloc_inodes(struct btrfs_root *root);
static int btrfs_destroy_marked_extents(struct btrfs_root *root,
@@ -194,7 +193,7 @@ out:
return em;
}
-u32 btrfs_csum_data(struct btrfs_root *root, char *data, u32 seed, size_t len)
+u32 btrfs_csum_data(char *data, u32 seed, size_t len)
{
return crc32c(seed, data, len);
}
@@ -233,7 +232,7 @@ static int csum_tree_block(struct btrfs_root *root, struct
extent_buffer *buf,
if (err)
return 1;
cur_len = min(len, map_len - (offset - map_start));
- crc = btrfs_csum_data(root, kaddr + offset - map_start,
+ crc = btrfs_csum_data(kaddr + offset - map_start,
crc, cur_len);
len -= cur_len;
offset += cur_len;
@@ -2259,7 +2258,7 @@ static int write_dev_supers(struct btrfs_device *device,
btrfs_set_super_bytenr(sb, bytenr);
crc = ~(u32)0;
- crc = btrfs_csum_data(NULL, (char *)sb +
+ crc = btrfs_csum_data((char *)sb +
BTRFS_CSUM_SIZE, crc,
BTRFS_SUPER_INFO_SIZE -
BTRFS_CSUM_SIZE);
@@ -2830,8 +2829,7 @@ static int btrfs_destroy_ordered_extents(struct
btrfs_root *root)
return 0;
}
-static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
- struct btrfs_root *root)
+static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans)
{
struct rb_node *node;
struct btrfs_delayed_ref_root *delayed_refs;
@@ -3037,7 +3035,7 @@ static int btrfs_cleanup_transaction(struct btrfs_root
*root)
btrfs_destroy_ordered_extents(root);
- btrfs_destroy_delayed_refs(t, root);
+ btrfs_destroy_delayed_refs(t);
btrfs_block_rsv_release(root,
&root->fs_info->trans_block_rsv,
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index a0b610a..b5e0a55 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -67,7 +67,7 @@ void btrfs_mark_buffer_dirty(struct extent_buffer *buf);
int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid);
int btrfs_set_buffer_uptodate(struct extent_buffer *buf);
int btrfs_read_buffer(struct extent_buffer *buf, u64 parent_transid);
-u32 btrfs_csum_data(struct btrfs_root *root, char *data, u32 seed, size_t len);
+u32 btrfs_csum_data(char *data, u32 seed, size_t len);
void btrfs_csum_final(u32 crc, char *result);
int btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio,
int metadata);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 169bd62..2236c77 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1232,8 +1232,7 @@ static noinline int remove_extent_data_ref(struct
btrfs_trans_handle *trans,
return ret;
}
-static noinline u32 extent_data_ref_count(struct btrfs_root *root,
- struct btrfs_path *path,
+static noinline u32 extent_data_ref_count(struct btrfs_path *path,
struct btrfs_extent_inline_ref *iref)
{
struct btrfs_key key;
@@ -2322,7 +2321,6 @@ out:
}
int btrfs_set_disk_extent_flags(struct btrfs_trans_handle *trans,
- struct btrfs_root *root,
u64 bytenr, u64 num_bytes, u64 flags,
int is_data)
{
@@ -4495,7 +4493,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle
*trans,
} else {
if (found_extent) {
BUG_ON(is_data && refs_to_drop !=
- extent_data_ref_count(root, path, iref));
+ extent_data_ref_count(path, iref));
if (iref) {
BUG_ON(path->slots[0] != extent_slot);
} else {
@@ -4533,7 +4531,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle
*trans,
* removes it from the tree.
*/
static noinline int check_ref_cleanup(struct btrfs_trans_handle *trans,
- struct btrfs_root *root, u64 bytenr)
+ u64 bytenr)
{
struct btrfs_delayed_ref_head *head;
struct btrfs_delayed_ref_root *delayed_refs;
@@ -4630,7 +4628,7 @@ void btrfs_free_tree_block(struct btrfs_trans_handle
*trans,
if (btrfs_header_generation(buf) == trans->transid) {
if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) {
- ret = check_ref_cleanup(trans, root, buf->start);
+ ret = check_ref_cleanup(trans, buf->start);
if (!ret)
goto pin;
}
@@ -5502,7 +5500,6 @@ static int alloc_reserved_tree_block(struct
btrfs_trans_handle *trans,
}
int btrfs_alloc_reserved_file_extent(struct btrfs_trans_handle *trans,
- struct btrfs_root *root,
u64 root_objectid, u64 owner,
u64 offset, struct btrfs_key *ins)
{
@@ -5886,7 +5883,7 @@ static noinline int walk_down_proc(struct
btrfs_trans_handle *trans,
BUG_ON(ret);
ret = btrfs_dec_ref(trans, root, eb, 0);
BUG_ON(ret);
- ret = btrfs_set_disk_extent_flags(trans, root, eb->start,
+ ret = btrfs_set_disk_extent_flags(trans, eb->start,
eb->len, flag, 0);
BUG_ON(ret);
wc->flags[level] |= flag;
@@ -6612,8 +6609,7 @@ u64 btrfs_account_ro_block_groups_free_space(struct
btrfs_space_info *sinfo)
return free_bytes;
}
-int btrfs_set_block_group_rw(struct btrfs_root *root,
- struct btrfs_block_group_cache *cache)
+int btrfs_set_block_group_rw(struct btrfs_block_group_cache *cache)
{
struct btrfs_space_info *sinfo = cache->space_info;
u64 num_bytes;
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 90d4ee5..dd8afad 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -439,8 +439,7 @@ int btrfs_csum_one_bio(struct btrfs_root *root, struct
inode *inode,
data = kmap_atomic(bvec->bv_page, KM_USER0);
sector_sum->sum = ~(u32)0;
- sector_sum->sum = btrfs_csum_data(root,
- data + bvec->bv_offset,
+ sector_sum->sum = btrfs_csum_data(data + bvec->bv_offset,
sector_sum->sum,
bvec->bv_len);
kunmap_atomic(data, KM_USER0);
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 70d4579..898f184 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -361,7 +361,7 @@ int __load_free_space_cache(struct btrfs_root *root, struct
inode *inode,
/* First lets check our crc before we do anything fun */
cur_crc = ~(u32)0;
- cur_crc = btrfs_csum_data(root, addr + start_offset, cur_crc,
+ cur_crc = btrfs_csum_data(addr + start_offset, cur_crc,
PAGE_CACHE_SIZE - start_offset);
btrfs_csum_final(cur_crc, (char *)&cur_crc);
if (cur_crc != *crc) {
@@ -730,7 +730,7 @@ int __btrfs_write_out_cache(struct btrfs_root *root, struct
inode *inode,
entry++;
}
*crc = ~(u32)0;
- *crc = btrfs_csum_data(root, addr + start_offset, *crc,
+ *crc = btrfs_csum_data(addr + start_offset, *crc,
PAGE_CACHE_SIZE - start_offset);
kunmap(page);
@@ -757,7 +757,7 @@ int __btrfs_write_out_cache(struct btrfs_root *root, struct
inode *inode,
addr = kmap(page);
memcpy(addr, entry->bitmap, PAGE_CACHE_SIZE);
*crc = ~(u32)0;
- *crc = btrfs_csum_data(root, addr, *crc, PAGE_CACHE_SIZE);
+ *crc = btrfs_csum_data(addr, *crc, PAGE_CACHE_SIZE);
kunmap(page);
btrfs_csum_final(*crc, (char *)crc);
crc++;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 39a9d57..25e73f1 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1692,7 +1692,7 @@ static int insert_reserved_file_extent(struct
btrfs_trans_handle *trans,
ins.objectid = disk_bytenr;
ins.offset = disk_num_bytes;
ins.type = BTRFS_EXTENT_ITEM_KEY;
- ret = btrfs_alloc_reserved_file_extent(trans, root,
+ ret = btrfs_alloc_reserved_file_extent(trans,
root->root_key.objectid,
btrfs_ino(inode), file_pos, &ins);
BUG_ON(ret);
@@ -2009,7 +2009,7 @@ static int btrfs_readpage_end_io_hook(struct page *page,
u64 start, u64 end,
if (ret)
goto zeroit;
- csum = btrfs_csum_data(root, kaddr + offset, csum, end - start + 1);
+ csum = btrfs_csum_data(kaddr + offset, csum, end - start + 1);
btrfs_csum_final(csum, (char *)&csum);
if (csum != private)
goto zeroit;
@@ -5678,7 +5678,6 @@ static void btrfs_endio_direct_read(struct bio *bio, int
err)
struct bio_vec *bvec_end = bio->bi_io_vec + bio->bi_vcnt - 1;
struct bio_vec *bvec = bio->bi_io_vec;
struct inode *inode = dip->inode;
- struct btrfs_root *root = BTRFS_I(inode)->root;
u64 start;
u32 *private = dip->csums;
@@ -5692,7 +5691,7 @@ static void btrfs_endio_direct_read(struct bio *bio, int
err)
local_irq_save(flags);
kaddr = kmap_atomic(page, KM_IRQ0);
- csum = btrfs_csum_data(root, kaddr + bvec->bv_offset,
+ csum = btrfs_csum_data(kaddr + bvec->bv_offset,
csum, bvec->bv_len);
btrfs_csum_final(csum, (char *)&csum);
kunmap_atomic(kaddr, KM_IRQ0);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 85e818c..db439a3 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1505,8 +1505,7 @@ static noinline int key_in_sk(struct btrfs_key *key,
return 1;
}
-static noinline int copy_to_sk(struct btrfs_root *root,
- struct btrfs_path *path,
+static noinline int copy_to_sk(struct btrfs_path *path,
struct btrfs_key *key,
struct btrfs_ioctl_search_key *sk,
char *buf,
@@ -1640,7 +1639,7 @@ static noinline int search_ioctl(struct inode *inode,
ret = 0;
goto err;
}
- ret = copy_to_sk(root, path, &key, sk, args->buf,
+ ret = copy_to_sk(path, &key, sk, args->buf,
&sk_offset, &num_found);
btrfs_release_path(path);
if (ret || num_found >= sk->nr_items)
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index ca38eca..d084400 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -4043,7 +4043,7 @@ int btrfs_relocate_block_group(struct btrfs_root
*extent_root, u64 group_start)
WARN_ON(btrfs_block_group_used(&rc->block_group->item) > 0);
out:
if (err && rw)
- btrfs_set_block_group_rw(extent_root, rc->block_group);
+ btrfs_set_block_group_rw(rc->block_group);
iput(rc->data_inode);
btrfs_put_block_group(rc->block_group);
kfree(rc);
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 6dfed0c..1541915 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -467,12 +467,11 @@ static int scrub_checksum_data(struct scrub_dev *sdev,
u8 csum[BTRFS_CSUM_SIZE];
u32 crc = ~(u32)0;
int fail = 0;
- struct btrfs_root *root = sdev->dev->dev_root;
if (!spag->have_csum)
return 0;
- crc = btrfs_csum_data(root, buffer, crc, PAGE_SIZE);
+ crc = btrfs_csum_data(buffer, crc, PAGE_SIZE);
btrfs_csum_final(crc, csum);
if (memcmp(csum, spag->csum, sdev->csum_size))
fail = 1;
@@ -519,7 +518,7 @@ static int scrub_checksum_tree_block(struct scrub_dev *sdev,
BTRFS_UUID_SIZE))
++fail;
- crc = btrfs_csum_data(root, buffer + BTRFS_CSUM_SIZE, crc,
+ crc = btrfs_csum_data(buffer + BTRFS_CSUM_SIZE, crc,
PAGE_SIZE - BTRFS_CSUM_SIZE);
btrfs_csum_final(crc, csum);
if (memcmp(csum, h->csum, sdev->csum_size))
@@ -560,7 +559,7 @@ static int scrub_checksum_super(struct scrub_bio *sbio,
void *buffer)
if (memcmp(s->fsid, fs_info->fsid, BTRFS_UUID_SIZE))
++fail;
- crc = btrfs_csum_data(root, buffer + BTRFS_CSUM_SIZE, crc,
+ crc = btrfs_csum_data(buffer + BTRFS_CSUM_SIZE, crc,
PAGE_SIZE - BTRFS_CSUM_SIZE);
btrfs_csum_final(crc, csum);
if (memcmp(csum, s->csum, sbio->sdev->csum_size))
--
1.7.3.4
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
