f2fs: fix to access nullified flush_cmd_control pointer

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f2fs_sync_file()             remount_ro
 - f2fs_readonly
                               - destroy_flush_cmd_control
 - f2fs_issue_flush
   - no fcc pointer!

So, this patch doesn't free fcc in this case, but just stop its kernel thread
which sends flush commands.

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

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This commit is contained in:

Jaegeuk Kim 2016-12-07 16:23:32 -08:00

parent a2125ff7dd

commit 5eba8c5d1f

3 changed files with 29 additions and 11 deletions

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2

fs/f2fs/f2fs.h

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33

fs/f2fs/segment.c

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5

fs/f2fs/super.c

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