f2fs: fix SSA updates resulting in corruption

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The f2fs_collapse_range and f2fs_insert_range changes the block addresses
directly. But that can cause uncovered SSA updates.
In that case, we need to give up to change the block addresses and do buffered
writes to keep filesystem consistency.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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This commit is contained in:

Jaegeuk Kim 2015-10-07 12:28:41 -07:00

parent a125702326

commit 6e2c64ad7c

3 changed files with 136 additions and 113 deletions

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11

fs/f2fs/f2fs.h

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217

fs/f2fs/file.c

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33

fs/f2fs/segment.c

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