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SUNRPC: Fix a 'Busy inodes' error in rpc_pipefs

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2006-03-20 13:44:49 -05:00
parent a9a801787a
commit 5428154827
4 changed files with 35 additions and 14 deletions
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net/sunrpc/rpc_pipe.c
+12 -10
View File
@@ -435,14 +435,17 @@ static struct rpc_filelist authfiles[] = {
},
};
static int
rpc_get_mount(void)
struct vfsmount *rpc_get_mount(void)
{
return simple_pin_fs("rpc_pipefs", &rpc_mount, &rpc_mount_count);
int err;
err = simple_pin_fs("rpc_pipefs", &rpc_mount, &rpc_mount_count);
if (err != 0)
return ERR_PTR(err);
return rpc_mount;
}
static void
rpc_put_mount(void)
void rpc_put_mount(void)
{
simple_release_fs(&rpc_mount, &rpc_mount_count);
}
@@ -452,12 +455,13 @@ rpc_lookup_parent(char *path, struct nameidata *nd)
{
if (path[0] == '\0')
return -ENOENT;
if (rpc_get_mount()) {
nd->mnt = rpc_get_mount();
if (IS_ERR(nd->mnt)) {
printk(KERN_WARNING "%s: %s failed to mount "
"pseudofilesystem \n", __FILE__, __FUNCTION__);
return -ENODEV;
return PTR_ERR(nd->mnt);
}
nd->mnt = mntget(rpc_mount);
mntget(nd->mnt);
nd->dentry = dget(rpc_mount->mnt_root);
nd->last_type = LAST_ROOT;
nd->flags = LOOKUP_PARENT;
@@ -594,7 +598,6 @@ __rpc_mkdir(struct inode *dir, struct dentry *dentry)
d_instantiate(dentry, inode);
dir->i_nlink++;
inode_dir_notify(dir, DN_CREATE);
rpc_get_mount();
return 0;
out_err:
printk(KERN_WARNING "%s: %s failed to allocate inode for dentry %s\n",
@@ -615,7 +618,6 @@ __rpc_rmdir(struct inode *dir, struct dentry *dentry)
if (!error) {
inode_dir_notify(dir, DN_DELETE);
d_drop(dentry);
rpc_put_mount();
}
return 0;
}