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NFS: handle source server reboot

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When the source server reboots after a server-to-server copy was
issued, we need to retry the copy from COPY_NOTIFY. We need to
detect that the source server rebooted and there is a copy waiting
on a destination server and wake it up.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
This commit is contained in:
Olga Kornievskaia
2019-06-14 14:38:40 -04:00
committed by Olga Kornievskaia
parent fefa1a812a
commit 0e65a32c8a
5 changed files with 75 additions and 27 deletions
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4
include/linux/nfs_fs.h
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@@ -189,13 +189,15 @@ struct nfs_inode {
struct nfs4_copy_state {
struct list_head copies;
struct list_head src_copies;
nfs4_stateid stateid;
struct completion completion;
uint64_t count;
struct nfs_writeverf verf;
int error;
int flags;
struct nfs4_state *parent_state;
struct nfs4_state *parent_src_state;
struct nfs4_state *parent_dst_state;
};
/*