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ext4: refactor duplicated block placement code

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I found that ext4_ext_find_goal() and ext4_find_near()
share the same code for returning a coloured start block
based on i_block_group.

We can refactor this into a common function so that they
don't diverge in the future.

Thanks to adilger for suggesting the new function name.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Eric Sandeen
2011-06-28 10:01:31 -04:00
committed by Theodore Ts'o
parent dae1e52cb1
commit f86186b44b
4 changed files with 51 additions and 63 deletions
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fs/ext4/ext4.h
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@@ -1743,6 +1743,7 @@ extern unsigned ext4_init_block_bitmap(struct super_block *sb,
struct ext4_group_desc *desc);
#define ext4_free_blocks_after_init(sb, group, desc) \
ext4_init_block_bitmap(sb, NULL, group, desc)
ext4_fsblk_t ext4_inode_to_goal_block(struct inode *);
/* dir.c */
extern int __ext4_check_dir_entry(const char *, unsigned int, struct inode *,