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| author |   Tom Haynes <loghyr@primarydata.com> | 2016-05-17 12:28:37 -0400 |
|---|---|---|
| committer |   Anna Schumaker <Anna.Schumaker@Netapp.com> | 2016-05-17 15:48:08 -0400 |
| commit | 3b13b4b311a508a5899070936a873e30fcc96a2f (patch) | |
| tree | ea4533aa1ad416f21b63654bd7f707dcde18c171 /fs/nfs/flexfilelayout/flexfilelayout.h | |
| parent | pNFS/flexfile: Fix erroneous fall back to read/write through the MDS (diff) | |
| download | linux-dev-3b13b4b311a508a5899070936a873e30fcc96a2f.tar.xz linux-dev-3b13b4b311a508a5899070936a873e30fcc96a2f.zip | |
pNFS/flexfiles: When checking for available DSes, conditionally check for MDS io
Whenever we check to see if we have the needed number of DSes for the
action, we may also have to check to see whether IO is allowed to go to
the MDS or not.
[jlayton: fix merge conflict due to lack of localio patches here]
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/flexfilelayout/flexfilelayout.h')
| -rw-r--r-- | fs/nfs/flexfilelayout/flexfilelayout.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.h b/fs/nfs/flexfilelayout/flexfilelayout.h index 1318c77aeb35..b54058122647 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.h +++ b/fs/nfs/flexfilelayout/flexfilelayout.h @@ -191,4 +191,5 @@ nfs4_ff_find_or_create_ds_client(struct pnfs_layout_segment *lseg, struct rpc_cred *ff_layout_get_ds_cred(struct pnfs_layout_segment *lseg, u32 ds_idx, struct rpc_cred *mdscred); bool ff_layout_has_available_ds(struct pnfs_layout_segment *lseg); +bool ff_layout_avoid_mds_available_ds(struct pnfs_layout_segment *lseg); #endif /* FS_NFS_NFS4FLEXFILELAYOUT_H */ |