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NFS: Fix NFSv3 exclusive open semantics 

Commit c0204fd2b8 (NFS: Clean up
nfs4_proc_create()) broke NFSv3 exclusive open by removing the code
that passes the O_EXCL flag down to nfs3_proc_create(). This patch
reverts that offending hunk from the original commit.

Reported-by: Nick Bowler <nbowler@elliptictech.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org    [2.6.37]
Tested-by: Nick Bowler <nbowler@elliptictech.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Trond Myklebust 2011-01-13 14:15:50 -05:00 committed by Linus Torvalds
parent 581548db3b
commit 8a0eebf66e
1 changed files with 5 additions and 1 deletions
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6
fs/nfs/dir.c
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@ -1579,6 +1579,7 @@ static int nfs_create(struct inode *dir, struct dentry *dentry, int mode,
{
struct iattr attr;
int error;
int open_flags = 0;
dfprintk(VFS, "NFS: create(%s/%ld), %s\n",
dir->i_sb->s_id, dir->i_ino, dentry->d_name.name);
@ -1586,7 +1587,10 @@ static int nfs_create(struct inode *dir, struct dentry *dentry, int mode,
attr.ia_mode = mode;
attr.ia_valid = ATTR_MODE;
error = NFS_PROTO(dir)->create(dir, dentry, &attr, 0, NULL);
if ((nd->flags & LOOKUP_CREATE) != 0)
open_flags = nd->intent.open.flags;
error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags, NULL);
if (error != 0)
goto out_err;
return 0;