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authorLi Zefan <lizefan@huawei.com>2012-06-11 04:03:35 -0400
committerChris Mason <chris.mason@oracle.com>2012-06-14 21:30:55 -0400
commit6c282eb40ed6f64a51ff447707714df551d85b8e (patch)
tree97d8a780a577d21c0f237f2140f3a129f40096bf /fs/proc/cmdline.c
parent7ddf5a42d311d74fd9f7373cb56def0843c219f8 (diff)
Btrfs: fix defrag regression
If a file has 3 small extents: | ext1 | ext2 | ext3 | Running "btrfs fi defrag" will only defrag the last two extents, if those extent mappings hasn't been read into memory from disk. This bug was introduced by commit 17ce6ef8d731af5edac8c39e806db4c7e1f6956f ("Btrfs: add a check to decide if we should defrag the range") The cause is, that commit looked into previous and next extents using lookup_extent_mapping() only. While at it, remove the code that checks the previous extent, since it's sufficient to check the next extent. Signed-off-by: Li Zefan <lizefan@huawei.com>
Diffstat (limited to 'fs/proc/cmdline.c')
0 files changed, 0 insertions, 0 deletions