ceph: track and report error of async metadata operation

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Use errseq_t to track and report errors of async metadata operations,
similar to how kernel handles errors during writeback.

If any dirty caps or any unsafe request gets dropped during session
eviction, record -EIO in corresponding inode's i_meta_err. The error
will be reported by subsequent fsync,

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

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Yan, Zheng 2019-07-25 20:16:42 +08:00 • committed by Ilya Dryomov

parent 7e6906c1e6

commit f4b9786622

5 changed files with 54 additions and 22 deletions

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24

fs/ceph/caps.c

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6

fs/ceph/file.c

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2

fs/ceph/inode.c

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40

fs/ceph/mds_client.c

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4

fs/ceph/super.h

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