[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/xattr.c b/fs/xattr.c
index bcc2156d4d2..386a532ee5a 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -51,7 +51,7 @@ setxattr(struct dentry *d, char __user *name, void __user *value,
                 }
         }
 
-        down(&d->d_inode->i_sem);
+        mutex_lock(&d->d_inode->i_mutex);
         error = security_inode_setxattr(d, kname, kvalue, size, flags);
         if (error)
                 goto out;
@@ -73,7 +73,7 @@ setxattr(struct dentry *d, char __user *name, void __user *value,
                         fsnotify_xattr(d);
         }
 out:
-        up(&d->d_inode->i_sem);
+        mutex_unlock(&d->d_inode->i_mutex);
         kfree(kvalue);
         return error;
 }
@@ -323,9 +323,9 @@ removexattr(struct dentry *d, char __user *name)
                 error = security_inode_removexattr(d, kname);
                 if (error)
                         goto out;
-                down(&d->d_inode->i_sem);
+                mutex_lock(&d->d_inode->i_mutex);
                 error = d->d_inode->i_op->removexattr(d, kname);
-                up(&d->d_inode->i_sem);
+                mutex_unlock(&d->d_inode->i_mutex);
                 if (!error)
                         fsnotify_xattr(d);
         }