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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-10-01 17:17:06 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-12-31 15:55:35 -0500
commit138a2935dc9783b131d9647c3bddb22ae5c84d77 (patch)
treec21379e9e3c162c65ee5a6145e6081baaae1dfd6 /fs/nfs/internal.h
parentb20135d0b2431900a3a5395970ffb7e4f3767c8b (diff)
NFS: Relax requirements in nfs_flush_incompatible
If two processes share the same credentials and NFSv4 open stateid, then allow them both to dirty the same page, even if their nfs_open_context differs. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/internal.h')
-rw-r--r--fs/nfs/internal.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 99a2919047e9..870e2ba7ba49 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -264,6 +264,12 @@ static inline bool nfs_pgio_has_mirroring(struct nfs_pageio_descriptor *desc)
return desc->pg_mirror_count > 1;
}
+static inline bool nfs_match_open_context(const struct nfs_open_context *ctx1,
+ const struct nfs_open_context *ctx2)
+{
+ return ctx1->cred == ctx2->cred && ctx1->state == ctx2->state;
+}
+
/* nfs2xdr.c */
extern struct rpc_procinfo nfs_procedures[];
extern int nfs2_decode_dirent(struct xdr_stream *,