[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, 3 insertions, 3 deletions

diff --git a/fs/hppfs/hppfs_kern.c b/fs/hppfs/hppfs_kern.c
index 52930915bad8..a44dc5897399 100644
--- a/fs/hppfs/hppfs_kern.c
+++ b/fs/hppfs/hppfs_kern.c
@@ -171,12 +171,12 @@ static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
 
         err = -ENOMEM;
         parent = HPPFS_I(ino)->proc_dentry;
-        down(&parent->d_inode->i_sem);
+        mutex_lock(&parent->d_inode->i_mutex);
         proc_dentry = d_lookup(parent, &dentry->d_name);
         if(proc_dentry == NULL){
                 proc_dentry = d_alloc(parent, &dentry->d_name);
                 if(proc_dentry == NULL){
-                        up(&parent->d_inode->i_sem);
+                        mutex_unlock(&parent->d_inode->i_mutex);
                         goto out;
                 }
                 new = (*parent->d_inode->i_op->lookup)(parent->d_inode,
@@ -186,7 +186,7 @@ static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
                         proc_dentry = new;
                 }
         }
-        up(&parent->d_inode->i_sem);
+        mutex_unlock(&parent->d_inode->i_mutex);
 
         if(IS_ERR(proc_dentry))
                 return(proc_dentry);