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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-05-24 00:09:44 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-06-10 23:41:10 +0900
commit3033342a0b76048e32ce1faebfa85cf8f1aa93b5 (patch)
tree9bffaa21381c58e476f26d12352d471748550993 /fs/nilfs2/bmap.c
parente473c1f265f429427e09531435ceaf0fdbb86d15 (diff)
downloadlinux-3033342a0b76048e32ce1faebfa85cf8f1aa93b5.tar.bz2
nilfs2: remove useless b_low and b_high fields from nilfs_bmap struct
This will cut off 16 bytes from the nilfs_bmap struct which is embedded in the on-memory inode of nilfs. The b_high field was never used, and the b_low field stores a constant value which can be determined by whether the inode uses btree for block mapping or not. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2/bmap.c')
-rw-r--r--fs/nilfs2/bmap.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/fs/nilfs2/bmap.c b/fs/nilfs2/bmap.c
index cf5c5d2cfa00..de67d2a12515 100644
--- a/fs/nilfs2/bmap.c
+++ b/fs/nilfs2/bmap.c
@@ -101,8 +101,7 @@ static int nilfs_bmap_do_insert(struct nilfs_bmap *bmap, __u64 key, __u64 ptr)
if (n < 0)
return n;
ret = nilfs_btree_convert_and_insert(
- bmap, key, ptr, keys, ptrs, n,
- NILFS_BMAP_LARGE_LOW, NILFS_BMAP_LARGE_HIGH);
+ bmap, key, ptr, keys, ptrs, n);
if (ret == 0)
bmap->b_u.u_flags |= NILFS_BMAP_LARGE;
@@ -158,8 +157,7 @@ static int nilfs_bmap_do_delete(struct nilfs_bmap *bmap, __u64 key)
if (n < 0)
return n;
ret = nilfs_direct_delete_and_convert(
- bmap, key, keys, ptrs, n,
- NILFS_BMAP_SMALL_LOW, NILFS_BMAP_SMALL_HIGH);
+ bmap, key, keys, ptrs, n);
if (ret == 0)
bmap->b_u.u_flags &= ~NILFS_BMAP_LARGE;
@@ -681,12 +679,7 @@ int nilfs_bmap_read(struct nilfs_bmap *bmap, struct nilfs_inode *raw_inode)
}
return (bmap->b_u.u_flags & NILFS_BMAP_LARGE) ?
- nilfs_btree_init(bmap,
- NILFS_BMAP_LARGE_LOW,
- NILFS_BMAP_LARGE_HIGH) :
- nilfs_direct_init(bmap,
- NILFS_BMAP_SMALL_LOW,
- NILFS_BMAP_SMALL_HIGH);
+ nilfs_btree_init(bmap) : nilfs_direct_init(bmap);
}
/**