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Maxim Patlasov a8f8b0f516 fuse: fuse_flush must check mapping->flags for errors ...

[ Upstream commit 9ebce595f6 ]

fuse_flush() calls write_inode_now() that triggers writeback, but actual
writeback will happen later, on fuse_sync_writes(). If an error happens,
fuse_writepage_end() will set error bit in mapping->flags. So, we have to
check mapping->flags after fuse_sync_writes().

Signed-off-by: Maxim Patlasov <mpatlasov@virtuozzo.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Fixes: 4d99ff8f12 ("fuse: Turn writeback cache on")
Cc: <stable@vger.kernel.org> # v3.15+
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>

2016-08-22 12:23:23 -04:00

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