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yaml
---
r: 312892
b: refs/heads/master
c: eda72af
h: refs/heads/master
v: v3
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Miklos Szeredi authored and Al Viro committed Jul 14, 2012
1 parent 3e7fc08 commit 09e3406
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Showing 2 changed files with 5 additions and 21 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 50de348c3604f7684a89ce64180666d4dd74623f
refs/heads/master: eda72afb9ef9f45941fb09260c0f268ff81ec40d
24 changes: 4 additions & 20 deletions trunk/fs/nfs/dir.c
Original file line number Diff line number Diff line change
Expand Up @@ -1366,24 +1366,6 @@ const struct dentry_operations nfs4_dentry_operations = {
.d_release = nfs_d_release,
};

/*
* Use intent information to determine whether we need to substitute
* the NFSv4-style stateful OPEN for the LOOKUP call
*/
static int is_atomic_open(struct nameidata *nd)
{
if (nd == NULL || nfs_lookup_check_intent(nd, LOOKUP_OPEN) == 0)
return 0;
/* NFS does not (yet) have a stateful open for directories */
if (nd->flags & LOOKUP_DIRECTORY)
return 0;
/* Are we trying to write to a read only partition? */
if (__mnt_is_readonly(nd->path.mnt) &&
(nd->intent.open.flags & (O_CREAT|O_TRUNC|O_ACCMODE)))
return 0;
return 1;
}

static fmode_t flags_to_mode(int flags)
{
fmode_t res = (__force fmode_t)flags & FMODE_EXEC;
Expand Down Expand Up @@ -1543,10 +1525,12 @@ static int nfs4_lookup_revalidate(struct dentry *dentry, struct nameidata *nd)
if (nd->flags & LOOKUP_RCU)
return -ECHILD;

inode = dentry->d_inode;
if (!is_atomic_open(nd) || d_mountpoint(dentry))
if (!(nd->flags & LOOKUP_OPEN) || (nd->flags & LOOKUP_DIRECTORY))
goto no_open;
if (d_mountpoint(dentry))
goto no_open;

inode = dentry->d_inode;
parent = dget_parent(dentry);
dir = parent->d_inode;

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