f2fs: find parent dentry correctly

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If dotdot directory is corrupted, its slot may be ocupied by another
file. In this case, dentry[1] is not the parent directory. Rename and
cross-rename will update the inode in dentry[1] incorrectly.   This
patch finds dotdot dentry by name.

Signed-off-by: Sheng Yong <shengyong1@huawei.com>
[Jaegeuk Kim: remove wron bug_on]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

...

This commit is contained in:

Sheng Yong 2016-06-04 22:01:28 +08:00 • committed by Jaegeuk Kim

parent c92737ceec

commit 8be0fea9c0

3 changed files with 2 additions and 35 deletions

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17

fs/f2fs/dir.c

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1

fs/f2fs/f2fs.h

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19

fs/f2fs/inline.c

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