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authorDavid Woodhouse <David.Woodhouse@intel.com>2010-02-26 19:04:15 +0000
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-02-26 19:06:24 +0000
commita7790532f5b7358c33a6b1834dc2b318de209f31 (patch)
tree0ceb9e24b3f54cb5c8453fb5a218e2a94a0f1cce /fs/cachefiles
parent2764fb4244cc1bc08df3667924ca4a972e90ac70 (diff)
parent60b341b778cc2929df16c0a504c91621b3c6a4ad (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
The SmartMedia FTL code depends on new kfifo bits from 2.6.33
Diffstat (limited to 'fs/cachefiles')
-rw-r--r--fs/cachefiles/bind.c11
-rw-r--r--fs/cachefiles/namei.c12
-rw-r--r--fs/cachefiles/rdwr.c2
3 files changed, 15 insertions, 10 deletions
diff --git a/fs/cachefiles/bind.c b/fs/cachefiles/bind.c
index 3797e0077b35..2906077ac798 100644
--- a/fs/cachefiles/bind.c
+++ b/fs/cachefiles/bind.c
@@ -84,7 +84,7 @@ int cachefiles_daemon_bind(struct cachefiles_cache *cache, char *args)
static int cachefiles_daemon_add_cache(struct cachefiles_cache *cache)
{
struct cachefiles_object *fsdef;
- struct nameidata nd;
+ struct path path;
struct kstatfs stats;
struct dentry *graveyard, *cachedir, *root;
const struct cred *saved_cred;
@@ -114,15 +114,12 @@ static int cachefiles_daemon_add_cache(struct cachefiles_cache *cache)
_debug("- fsdef %p", fsdef);
/* look up the directory at the root of the cache */
- memset(&nd, 0, sizeof(nd));
-
- ret = path_lookup(cache->rootdirname, LOOKUP_DIRECTORY, &nd);
+ ret = kern_path(cache->rootdirname, LOOKUP_DIRECTORY, &path);
if (ret < 0)
goto error_open_root;
- cache->mnt = mntget(nd.path.mnt);
- root = dget(nd.path.dentry);
- path_put(&nd.path);
+ cache->mnt = path.mnt;
+ root = path.dentry;
/* check parameters */
ret = -EOPNOTSUPP;
diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
index 14ac4806e291..eeb4986ea7db 100644
--- a/fs/cachefiles/namei.c
+++ b/fs/cachefiles/namei.c
@@ -348,7 +348,17 @@ int cachefiles_delete_object(struct cachefiles_cache *cache,
dir = dget_parent(object->dentry);
mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT);
- ret = cachefiles_bury_object(cache, dir, object->dentry);
+
+ /* we need to check that our parent is _still_ our parent - it may have
+ * been renamed */
+ if (dir == object->dentry->d_parent) {
+ ret = cachefiles_bury_object(cache, dir, object->dentry);
+ } else {
+ /* it got moved, presumably by cachefilesd culling it, so it's
+ * no longer in the key path and we can ignore it */
+ mutex_unlock(&dir->d_inode->i_mutex);
+ ret = 0;
+ }
dput(dir);
_leave(" = %d", ret);
diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
index a6c8c6fe8df9..1d8332563863 100644
--- a/fs/cachefiles/rdwr.c
+++ b/fs/cachefiles/rdwr.c
@@ -11,7 +11,6 @@
#include <linux/mount.h>
#include <linux/file.h>
-#include <linux/ima.h>
#include "internal.h"
/*
@@ -923,7 +922,6 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page)
if (IS_ERR(file)) {
ret = PTR_ERR(file);
} else {
- ima_counts_get(file);
ret = -EIO;
if (file->f_op->write) {
pos = (loff_t) page->index << PAGE_SHIFT;