On Sun 23-12-07 02:51:12, [EMAIL PROTECTED] wrote:
> Signed-off-by: Marcin Slusarz <[EMAIL PROTECTED]>
> CC: Ben Fennema <[EMAIL PROTECTED]>
> CC: Jan Kara <[EMAIL PROTECTED]>
Looks much better :). Acked-by: Jan Kara <[EMAIL PROTECTED]>
Honza
> ---
> fs/udf/super.c | 4 ++--
> fs/udf/udf_sb.h | 37 ++++++++++++++++++++-----------------
> 2 files changed, 22 insertions(+), 19 deletions(-)
>
> diff --git a/fs/udf/super.c b/fs/udf/super.c
> index 33ccf66..1afea58 100644
> --- a/fs/udf/super.c
> +++ b/fs/udf/super.c
> @@ -949,7 +949,7 @@ static int udf_load_partdesc(struct super_block *sb,
> struct buffer_head *bh)
> i,
> map->s_uspace.s_table->i_ino);
> }
> if (phd->unallocSpaceBitmap.extLength) {
> - UDF_SB_ALLOC_BITMAP(sb, i, s_uspace);
> + map->s_uspace.s_bitmap =
> udf_sb_alloc_bitmap(sb, i);
> if (map->s_uspace.s_bitmap != NULL) {
>
> map->s_uspace.s_bitmap->s_extLength =
>
> le32_to_cpu(phd->unallocSpaceBitmap.extLength);
> @@ -979,7 +979,7 @@ static int udf_load_partdesc(struct super_block *sb,
> struct buffer_head *bh)
> i,
> map->s_fspace.s_table->i_ino);
> }
> if (phd->freedSpaceBitmap.extLength) {
> - UDF_SB_ALLOC_BITMAP(sb, i, s_fspace);
> + map->s_fspace.s_bitmap =
> udf_sb_alloc_bitmap(sb, i);
> if (map->s_fspace.s_bitmap != NULL) {
>
> map->s_fspace.s_bitmap->s_extLength =
>
> le32_to_cpu(phd->freedSpaceBitmap.extLength);
> diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h
> index a5805c5..4cf91f2 100644
> --- a/fs/udf/udf_sb.h
> +++ b/fs/udf/udf_sb.h
> @@ -2,6 +2,7 @@
> #define __LINUX_UDF_SB_H
>
> #include <linux/errno.h>
> +#include <linux/vmalloc.h>
>
> /* Since UDF 2.01 is ISO 13346 based... */
> #define UDF_SUPER_MAGIC 0x15013346
> @@ -149,23 +150,25 @@ static inline void udf_update_revision(struct
> super_block *sb, __u16 revision)
> udf_sb(sb)->s_udfrev = revision;
> }
>
> -#define UDF_SB_ALLOC_BITMAP(X,Y,Z)\
> -{\
> - int nr_groups = ((udf_sb_partmap((X),(Y))->s_partition_len +
> (sizeof(struct spaceBitmapDesc) << 3) +\
> - ((X)->s_blocksize * 8) - 1) / ((X)->s_blocksize * 8));\
> - int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) *
> nr_groups);\
> - if (size <= PAGE_SIZE)\
> - udf_sb_partmaps(X)[(Y)].Z.s_bitmap = kmalloc(size, GFP_KERNEL);\
> - else\
> - udf_sb_partmaps(X)[(Y)].Z.s_bitmap = vmalloc(size);\
> - if (udf_sb_partmaps(X)[(Y)].Z.s_bitmap != NULL) {\
> - memset(udf_sb_partmaps(X)[(Y)].Z.s_bitmap, 0x00, size);\
> - udf_sb_partmaps(X)[(Y)].Z.s_bitmap->s_block_bitmap =\
> - (struct buffer_head
> **)(udf_sb_partmaps(X)[(Y)].Z.s_bitmap + 1);\
> - udf_sb_partmaps(X)[(Y)].Z.s_bitmap->s_nr_groups = nr_groups;\
> - } else {\
> - udf_error(X, __FUNCTION__, "Unable to allocate space for bitmap
> and %d buffer_head pointers", nr_groups);\
> - }\
> +static inline struct udf_bitmap *udf_sb_alloc_bitmap(struct super_block *sb,
> __u32 index)
> +{
> + struct udf_part_map *map = udf_sb_partmap(sb, index);
> + int nr_groups = (map->s_partition_len + (sizeof(struct spaceBitmapDesc)
> << 3) +
> + (sb->s_blocksize * 8) - 1) / (sb->s_blocksize * 8);
> + int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) *
> nr_groups);
> + struct udf_bitmap *bitmap;
> +
> + if (size <= PAGE_SIZE)
> + bitmap = kmalloc(size, GFP_KERNEL);
> + else
> + bitmap = vmalloc(size);
> + if (bitmap != NULL) {
> + memset(bitmap, 0x00, size);
> + bitmap->s_block_bitmap = (struct buffer_head **)(bitmap + 1);
> + bitmap->s_nr_groups = nr_groups;
> + } else
> + udf_error(sb, __FUNCTION__, "Unable to allocate space for
> bitmap and %d buffer_head pointers", nr_groups);
> + return bitmap;
> }
>
> #define UDF_SB_FREE_BITMAP(X,Y,Z)\
> --
> 1.5.3.4
>
--
Jan Kara <[EMAIL PROTECTED]>
SUSE Labs, CR
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