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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2008-04-17 10:38:59 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2008-04-17 10:38:59 -0400 |
| commit | c0a4ef38ac90d9053fcf3e22f81520a507c1a7bd (patch) | |
| tree | d8747f48d70272d3834bf947c3b41e6abeb922c0 /fs/ext4 | |
| parent | d00a6d7b40b44ee6b03f492a6c58f5bc4649c784 (diff) | |
| download | op-kernel-dev-c0a4ef38ac90d9053fcf3e22f81520a507c1a7bd.zip op-kernel-dev-c0a4ef38ac90d9053fcf3e22f81520a507c1a7bd.tar.gz | |
ext4: use ext4_get_group_desc()
Use ext4_get_group_desc() in ext4_get_inode_block() instead of open
coding the functionality.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: adilger@clusterfs.com
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mingming Cao <cmm@us.ibm.com>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/inode.c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 24a2604..aa0fb98 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2511,12 +2511,10 @@ out_stop: static ext4_fsblk_t ext4_get_inode_block(struct super_block *sb, unsigned long ino, struct ext4_iloc *iloc) { - unsigned long desc, group_desc; ext4_group_t block_group; unsigned long offset; ext4_fsblk_t block; - struct buffer_head *bh; - struct ext4_group_desc * gdp; + struct ext4_group_desc *gdp; if (!ext4_valid_inum(sb, ino)) { /* @@ -2528,22 +2526,10 @@ static ext4_fsblk_t ext4_get_inode_block(struct super_block *sb, } block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb); - if (block_group >= EXT4_SB(sb)->s_groups_count) { - ext4_error(sb,"ext4_get_inode_block","group >= groups count"); + gdp = ext4_get_group_desc(sb, block_group, NULL); + if (!gdp) return 0; - } - smp_rmb(); - group_desc = block_group >> EXT4_DESC_PER_BLOCK_BITS(sb); - desc = block_group & (EXT4_DESC_PER_BLOCK(sb) - 1); - bh = EXT4_SB(sb)->s_group_desc[group_desc]; - if (!bh) { - ext4_error (sb, "ext4_get_inode_block", - "Descriptor not loaded"); - return 0; - } - gdp = (struct ext4_group_desc *)((__u8 *)bh->b_data + - desc * EXT4_DESC_SIZE(sb)); /* * Figure out the offset within the block group inode table */ |
