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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2010-05-14 13:04:39 +0000
committerEric Van Hensbergen <ericvh@gmail.com>2010-05-22 12:34:11 -0500
commit85e0df240e9376ff58eb1a50d9854f5f176dd297 (patch)
tree253d86bccb5ca9a23863de2caa40b12d3097d624 /fs/9p
parent4681dbdacb5cdc4d3273c3a97a1858d6e00a5fe7 (diff)
downloadop-kernel-dev-85e0df240e9376ff58eb1a50d9854f5f176dd297.zip
op-kernel-dev-85e0df240e9376ff58eb1a50d9854f5f176dd297.tar.gz
fs/9p: Make sure we properly instantiate dentry.
For lookup if we get ENOENT error from the server we still instantiate the dentry. We need to make sure we have dentry operations set in that case so that a later dput on the dentry does the expected. Without the patch we get the below error #ln -sf abc abclink ln: creating symbolic link `abclink': No such file or directory Now on the host do $ touch abclink Guest now gives ENOENT error. # ls ls: cannot access abclink: No such file or directory Debugged-by:Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'fs/9p')
-rw-r--r--fs/9p/vfs_inode.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index de9a395..b44c999 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -697,8 +697,8 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
if (IS_ERR(fid)) {
result = PTR_ERR(fid);
if (result == -ENOENT) {
- d_add(dentry, NULL);
- return NULL;
+ inode = NULL;
+ goto inst_out;
}
return ERR_PTR(result);
@@ -715,7 +715,8 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
if (result < 0)
goto error;
- if ((fid->qid.version) && (v9ses->cache))
+inst_out:
+ if (v9ses->cache)
dentry->d_op = &v9fs_cached_dentry_operations;
else
dentry->d_op = &v9fs_dentry_operations;
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