[PATCH] knfsd: nfsd4: fix open flag passing

Since nfsv4 actually keeps around the file descriptors it gets from open
(instead of just using them for a single read or write operation), we need to
make sure that we can do RDWR opens and not just RDONLY/WRONLY.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 591dc6b..9daa0b9 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1790,10 +1790,10 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
        } else {
                /* Stateid was not found, this is a new OPEN */
                int flags = 0;
+               if (open->op_share_access & NFS4_SHARE_ACCESS_READ)
+                       flags |= MAY_READ;
                if (open->op_share_access & NFS4_SHARE_ACCESS_WRITE)
-                       flags = MAY_WRITE;
-               else
-                       flags = MAY_READ;
+                       flags |= MAY_WRITE;
                status = nfs4_new_open(rqstp, &stp, dp, current_fh, flags);
                if (status)
                        goto out;

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index f916b17..423e1ba 100644 (file)
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -673,7 +673,10 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
                goto out_nfserr;
 
        if (access & MAY_WRITE) {
-               flags = O_WRONLY|O_LARGEFILE;
+               if (access & MAY_READ)
+                       flags = O_RDWR|O_LARGEFILE;
+               else
+                       flags = O_WRONLY|O_LARGEFILE;
 
                DQUOT_INIT(inode);
        }