[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem

This patch converts the inode semaphore to a mutex. I have tested it on
XFS and compiled as much as one can consider on an ia64. Anyway your
luck with it might be different.

Modified-by: Ingo Molnar <mingo@elte.hu>

(finished the conversion)

Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 9558f51bca55..3ebce9430f4a 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1040,9 +1040,9 @@ int cifs_revalidate(struct dentry *direntry)
         }
 
         /* can not grab this sem since kernel filesys locking documentation
-           indicates i_sem may be taken by the kernel on lookup and rename
-           which could deadlock if we grab the i_sem here as well */
-/*      down(&direntry->d_inode->i_sem);*/
+           indicates i_mutex may be taken by the kernel on lookup and rename
+           which could deadlock if we grab the i_mutex here as well */
+/*      mutex_lock(&direntry->d_inode->i_mutex);*/
         /* need to write out dirty pages here  */
         if (direntry->d_inode->i_mapping) {
                 /* do we need to lock inode until after invalidate completes
@@ -1066,7 +1066,7 @@ int cifs_revalidate(struct dentry *direntry)
                         }
                 }
         }
-/*      up(&direntry->d_inode->i_sem); */
+/*      mutex_unlock(&direntry->d_inode->i_mutex); */
         
         kfree(full_path);
         FreeXid(xid);