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-rw-r--r--fs/devfs/base.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/fs/devfs/base.c b/fs/devfs/base.c
index 1274422..b621521 100644
--- a/fs/devfs/base.c
+++ b/fs/devfs/base.c
@@ -2162,27 +2162,27 @@ static int devfs_d_revalidate_wait(struct dentry *dentry, struct nameidata *nd)
*
* make sure that
* d_instantiate always runs under lock
- * we release i_sem lock before going to sleep
+ * we release i_mutex lock before going to sleep
*
* unfortunately sometimes d_revalidate is called with
- * and sometimes without i_sem lock held. The following checks
+ * and sometimes without i_mutex lock held. The following checks
* attempt to deduce when we need to add (and drop resp.) lock
* here. This relies on current (2.6.2) calling coventions:
*
- * lookup_hash is always run under i_sem and is passing NULL
+ * lookup_hash is always run under i_mutex and is passing NULL
* as nd
*
- * open(...,O_CREATE,...) calls _lookup_hash under i_sem
+ * open(...,O_CREATE,...) calls _lookup_hash under i_mutex
* and sets flags to LOOKUP_OPEN|LOOKUP_CREATE
*
* all other invocations of ->d_revalidate seem to happen
- * outside of i_sem
+ * outside of i_mutex
*/
need_lock = nd &&
(!(nd->flags & LOOKUP_CREATE) || (nd->flags & LOOKUP_PARENT));
if (need_lock)
- down(&dir->i_sem);
+ mutex_lock(&dir->i_mutex);
if (is_devfsd_or_child(fs_info)) {
devfs_handle_t de = lookup_info->de;
@@ -2221,9 +2221,9 @@ static int devfs_d_revalidate_wait(struct dentry *dentry, struct nameidata *nd)
add_wait_queue(&lookup_info->wait_queue, &wait);
read_unlock(&parent->u.dir.lock);
/* at this point it is always (hopefully) locked */
- up(&dir->i_sem);
+ mutex_unlock(&dir->i_mutex);
schedule();
- down(&dir->i_sem);
+ mutex_lock(&dir->i_mutex);
/*
* This does not need nor should remove wait from wait_queue.
* Wait queue head is never reused - nothing is ever added to it
@@ -2238,7 +2238,7 @@ static int devfs_d_revalidate_wait(struct dentry *dentry, struct nameidata *nd)
out:
if (need_lock)
- up(&dir->i_sem);
+ mutex_unlock(&dir->i_mutex);
return 1;
} /* End Function devfs_d_revalidate_wait */
@@ -2284,9 +2284,9 @@ static struct dentry *devfs_lookup(struct inode *dir, struct dentry *dentry,
/* Unlock directory semaphore, which will release any waiters. They
will get the hashed dentry, and may be forced to wait for
revalidation */
- up(&dir->i_sem);
+ mutex_unlock(&dir->i_mutex);
wait_for_devfsd_finished(fs_info); /* If I'm not devfsd, must wait */
- down(&dir->i_sem); /* Grab it again because them's the rules */
+ mutex_lock(&dir->i_mutex); /* Grab it again because them's the rules */
de = lookup_info.de;
/* If someone else has been so kind as to make the inode, we go home
early */
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