diff options
| author | Andy Adamson <andros@netapp.com> | 2012-04-27 17:53:46 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-19 17:54:20 -0400 |
| commit | e7dd79af01e7ca932c5168a708e77750659f7a9e (patch) | |
| tree | dfacd16bce6df877ecae697cd7dbf5f8e0561872 /fs/nfs/pnfs.h | |
| parent | 98fc685ae2aa24eae98526e9196b3229d519083a (diff) | |
NFSv4.1: mark deviceid invalid on filelayout DS connection errors
This prevents the use of any layout for i/o that references the deviceid.
I/O is redirected through the MDS.
Redirect the unhandled failed I/O to the MDS without marking either the
layout or the deviceid invalid.
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/pnfs.h')
| -rw-r--r-- | fs/nfs/pnfs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index f20054b592b..9cf9ede8cc5 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -222,6 +222,10 @@ struct pnfs_layout_segment *pnfs_update_layout(struct inode *ino, gfp_t gfp_flags); void nfs4_deviceid_mark_client_invalid(struct nfs_client *clp); +int pnfs_read_done_resend_to_mds(struct inode *inode, struct list_head *head, + const struct nfs_pgio_completion_ops *compl_ops); +int pnfs_write_done_resend_to_mds(struct inode *inode, struct list_head *head, + const struct nfs_pgio_completion_ops *compl_ops); /* nfs4_deviceid_flags */ enum { |