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linux/fs/ceph/snap.c
Yan, Zheng 3ae0bebc49 ceph: queue cap snap only when snap realm's context changes 
If we create capsnap when snap realm's context does not change, the
new capsnap's snapc is equal to ci->i_head_snapc. Page writeback code
can't differentiates dirty pages associated with the new capsnap from
dirty pages associated with i_head_snapc.

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-09-06 19:56:54 +02:00

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