diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2008-04-28 11:16:01 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-28 17:58:43 +0200 |
| commit | 24097d12efbb97bff14fb6e350508853db0f9595 (patch) | |
| tree | fb451eaebde9550954493b8a17949e6cce16782d | |
| parent | ext2: improve ext2_readdir() return value (diff) | |
| download | linux-24097d12efbb97bff14fb6e350508853db0f9595.tar.xz linux-24097d12efbb97bff14fb6e350508853db0f9595.zip | |
ext2: use ext2_group_first_block_no()
Use ext2_group_first_block_no() and assign the return values to
ext2_fsblk_t variables.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/ext2/inode.c | 3 | ||||
| -rw-r--r-- | fs/ext2/super.c | 11 | ||||
| -rw-r--r-- | fs/ext2/xattr.c | 6 |
3 files changed, 8 insertions, 12 deletions
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 687023bdfd1e..be0d02ac7ac4 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -275,8 +275,7 @@ static unsigned long ext2_find_near(struct inode *inode, Indirect *ind) * It is going to be refered from inode itself? OK, just put it into * the same cylinder group then. */ - bg_start = (ei->i_block_group * EXT2_BLOCKS_PER_GROUP(inode->i_sb)) + - le32_to_cpu(EXT2_SB(inode->i_sb)->s_es->s_first_data_block); + bg_start = ext2_group_first_block_no(inode->i_sb, ei->i_block_group); colour = (current->pid % 16) * (EXT2_BLOCKS_PER_GROUP(inode->i_sb) / 16); return bg_start + colour; diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 7e6867329220..3f745fb5fff3 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -621,13 +621,13 @@ static int ext2_check_descriptors(struct super_block *sb) { int i; struct ext2_sb_info *sbi = EXT2_SB(sb); - unsigned long first_block = le32_to_cpu(sbi->s_es->s_first_data_block); - unsigned long last_block; ext2_debug ("Checking group descriptors"); for (i = 0; i < sbi->s_groups_count; i++) { struct ext2_group_desc *gdp = ext2_get_group_desc(sb, i, NULL); + ext2_fsblk_t first_block = ext2_group_first_block_no(sb, i); + ext2_fsblk_t last_block; if (i == sbi->s_groups_count - 1) last_block = le32_to_cpu(sbi->s_es->s_blocks_count) - 1; @@ -663,7 +663,6 @@ static int ext2_check_descriptors(struct super_block *sb) i, (unsigned long) le32_to_cpu(gdp->bg_inode_table)); return 0; } - first_block += EXT2_BLOCKS_PER_GROUP(sb); } return 1; } @@ -720,10 +719,9 @@ static unsigned long descriptor_loc(struct super_block *sb, int nr) { struct ext2_sb_info *sbi = EXT2_SB(sb); - unsigned long bg, first_data_block, first_meta_bg; + unsigned long bg, first_meta_bg; int has_super = 0; - first_data_block = le32_to_cpu(sbi->s_es->s_first_data_block); first_meta_bg = le32_to_cpu(sbi->s_es->s_first_meta_bg); if (!EXT2_HAS_INCOMPAT_FEATURE(sb, EXT2_FEATURE_INCOMPAT_META_BG) || @@ -732,7 +730,8 @@ static unsigned long descriptor_loc(struct super_block *sb, bg = sbi->s_desc_per_block * nr; if (ext2_bg_has_super(sb, bg)) has_super = 1; - return (first_data_block + has_super + (bg * sbi->s_blocks_per_group)); + + return ext2_group_first_block_no(sb, bg) + has_super; } static int ext2_fill_super(struct super_block *sb, void *data, int silent) diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c index b86f02747eaf..987a5261cc2e 100644 --- a/fs/ext2/xattr.c +++ b/fs/ext2/xattr.c @@ -659,10 +659,8 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh, ext2_xattr_cache_insert(new_bh); } else { /* We need to allocate a new block */ - int goal = le32_to_cpu(EXT2_SB(sb)->s_es-> - s_first_data_block) + - EXT2_I(inode)->i_block_group * - EXT2_BLOCKS_PER_GROUP(sb); + ext2_fsblk_t goal = ext2_group_first_block_no(sb, + EXT2_I(inode)->i_block_group); int block = ext2_new_block(inode, goal, &error); if (error) goto cleanup; |