ovl: Sync upper dirty data when syncing overlayfs

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When executing filesystem sync or umount on overlayfs,
dirty data does not get synced as expected on upper filesystem.
This patch fixes sync filesystem method to keep data consistency
for overlayfs.

Signed-off-by: Chengguang Xu <cgxu@mykernel.net>
Fixes: e593b2bf51 ("ovl: properly implement sync_filesystem()")
Cc: <stable@vger.kernel.org> #4.11
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

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Chengguang Xu 2017-11-29 10:01:32 +08:00 • committed by Miklos Szeredi

parent b02a16e641

commit e8d4bfe3a7

1 changed files with 15 additions and 4 deletions

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fs/overlayfs/super.c

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