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fs/9p: Clarify cached dentry delete operation

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Update the comment to indicate that we don't want to cache
negative dentries.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Aneesh Kumar K.V 2011-02-28 17:03:58 +05:30 committed by Eric Van Hensbergen
parent 7263cebed9
commit a950a65264
1 changed files with 4 additions and 9 deletions
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13
fs/9p/vfs_dentry.c
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@ -63,20 +63,15 @@ static int v9fs_dentry_delete(const struct dentry *dentry)
* v9fs_cached_dentry_delete - called when dentry refcount equals 0
* @dentry: dentry in question
*
* Only return 1 if our inode is invalid. Only non-synthetic files
* (ones without mtime == 0) should be calling this function.
*
*/
static int v9fs_cached_dentry_delete(const struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_name.name,
dentry);
P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p)\n",
dentry->d_name.name, dentry);
if(!inode)
/* Don't cache negative dentries */
if (!dentry->d_inode)
return 1;
return 0;
}