[PATCH] sem2mutex: vfs_rename_mutex

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Al Viro <viro@ftp.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 8 insertions, 8 deletions

diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index 0f99aae33162..8d0da7c87c7b 100644
--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -48,10 +48,10 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode,
 /* No need to check for cross device links since server will do that
    BB note DFS case in future though (when we may have to check) */
 
-        down(&inode->i_sb->s_vfs_rename_sem);
+        mutex_lock(&inode->i_sb->s_vfs_rename_mutex);
         fromName = build_path_from_dentry(old_file);
         toName = build_path_from_dentry(direntry);
-        up(&inode->i_sb->s_vfs_rename_sem);
+        mutex_unlock(&inode->i_sb->s_vfs_rename_mutex);
         if((fromName == NULL) || (toName == NULL)) {
                 rc = -ENOMEM;
                 goto cifs_hl_exit;
@@ -103,9 +103,9 @@ cifs_follow_link(struct dentry *direntry, struct nameidata *nd)
 
         xid = GetXid();
 
-        down(&direntry->d_sb->s_vfs_rename_sem);
+        mutex_lock(&direntry->d_sb->s_vfs_rename_mutex);
         full_path = build_path_from_dentry(direntry);
-        up(&direntry->d_sb->s_vfs_rename_sem);
+        mutex_unlock(&direntry->d_sb->s_vfs_rename_mutex);
 
         if (!full_path)
                 goto out_no_free;
@@ -164,9 +164,9 @@ cifs_symlink(struct inode *inode, struct dentry *direntry, const char *symname)
         cifs_sb = CIFS_SB(inode->i_sb);
         pTcon = cifs_sb->tcon;
 
-        down(&inode->i_sb->s_vfs_rename_sem);
+        mutex_lock(&inode->i_sb->s_vfs_rename_mutex);
         full_path = build_path_from_dentry(direntry);
-        up(&inode->i_sb->s_vfs_rename_sem);
+        mutex_unlock(&inode->i_sb->s_vfs_rename_mutex);
 
         if(full_path == NULL) {
                 FreeXid(xid);
@@ -232,9 +232,9 @@ cifs_readlink(struct dentry *direntry, char __user *pBuffer, int buflen)
 
 /* BB would it be safe against deadlock to grab this sem 
       even though rename itself grabs the sem and calls lookup? */
-/*       down(&inode->i_sb->s_vfs_rename_sem);*/
+/*       mutex_lock(&inode->i_sb->s_vfs_rename_mutex);*/
         full_path = build_path_from_dentry(direntry);
-/*       up(&inode->i_sb->s_vfs_rename_sem);*/
+/*       mutex_unlock(&inode->i_sb->s_vfs_rename_mutex);*/
 
         if(full_path == NULL) {
                 FreeXid(xid);