f2fs: add an ioctl() to explicitly trigger fsck later

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This adds an option in ioctl(F2FS_IOC_SHUTDOWN) in order to trigger fsck by
setting a NEED_FSCK flag.

Generally, shutdown is used for the test to validate filesystem consistency, and
setting NEED_FSCK flag can be used for Android to trigger fsck.f2fs at boot time
explicitly so that we could measure the elapsed time as well as force filesystem
check.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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This commit is contained in:

Jaegeuk Kim 2018-11-28 13:26:03 -08:00

parent a742fd41c0

commit 0cd6d9b0d2

2 changed files with 8 additions and 0 deletions

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1

fs/f2fs/f2fs.h

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7

fs/f2fs/file.c

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