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| author |   Li Zefan <lizf@cn.fujitsu.com> | 2011-09-02 15:56:25 +0800 |
|---|---|---|
| committer |   David Sterba <dsterba@suse.cz> | 2011-10-20 18:10:34 +0200 |
| commit | cbcc83265d929ac71553c1b5dafdb830171af947 (patch) | |
| tree | 4628b3eaf8e6d20681814d23a15ba174ae69ccb9 /drivers/devfreq/devfreq.c | |
| parent | btrfs: fix memory leak in btrfs_defrag_file (diff) | |
| download | linux-dev-cbcc83265d929ac71553c1b5dafdb830171af947.tar.xz linux-dev-cbcc83265d929ac71553c1b5dafdb830171af947.zip | |
Btrfs: fix defragmentation regression
There's an off-by-one bug:
# create a file with lots of 4K file extents
# btrfs fi defrag /mnt/file
# sync
# filefrag -v /mnt/file
Filesystem type is: 9123683e
File size of /mnt/file is 1228800 (300 blocks, blocksize 4096)
ext logical physical expected length flags
0 0 3372 64
1 64 3136 3435 1
2 65 3436 3136 64
3 129 3201 3499 1
4 130 3500 3201 64
5 194 3266 3563 1
6 195 3564 3266 64
7 259 3331 3627 1
8 260 3628 3331 40 eof
After this patch:
...
# filefrag -v /mnt/file
Filesystem type is: 9123683e
File size of /mnt/file is 1228800 (300 blocks, blocksize 4096)
ext logical physical expected length flags
0 0 3372 300 eof
/mnt/file: 1 extent found
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Diffstat (limited to 'drivers/devfreq/devfreq.c')
0 files changed, 0 insertions, 0 deletions