[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, 6 insertions, 6 deletions

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index df4019f04560..bb36b4304491 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -390,12 +390,12 @@ set_nfsv4_acl_one(struct dentry *dentry, struct posix_acl *pacl, char *key)
 
         error = -EOPNOTSUPP;
         if (inode->i_op && inode->i_op->setxattr) {
-                down(&inode->i_sem);
+                mutex_lock(&inode->i_mutex);
                 security_inode_setxattr(dentry, key, buf, len, 0);
                 error = inode->i_op->setxattr(dentry, key, buf, len, 0);
                 if (!error)
                         security_inode_post_setxattr(dentry, key, buf, len, 0);
-                up(&inode->i_sem);
+                mutex_unlock(&inode->i_mutex);
         }
 out:
         kfree(buf);
@@ -739,9 +739,9 @@ nfsd_sync(struct file *filp)
         int err;
         struct inode *inode = filp->f_dentry->d_inode;
         dprintk("nfsd: sync file %s\n", filp->f_dentry->d_name.name);
-        down(&inode->i_sem);
+        mutex_lock(&inode->i_mutex);
         err=nfsd_dosync(filp, filp->f_dentry, filp->f_op);
-        up(&inode->i_sem);
+        mutex_unlock(&inode->i_mutex);
 
         return err;
 }
@@ -885,9 +885,9 @@ static void kill_suid(struct dentry *dentry)
         struct iattr    ia;
         ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID;
 
-        down(&dentry->d_inode->i_sem);
+        mutex_lock(&dentry->d_inode->i_mutex);
         notify_change(dentry, &ia);
-        up(&dentry->d_inode->i_sem);
+        mutex_unlock(&dentry->d_inode->i_mutex);
 }
 
 static inline int