[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, 5 insertions, 5 deletions

diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index 7892a86..127e7d2 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -49,7 +49,7 @@ static int reiserfs_file_release(struct inode *inode, struct file *filp)
 	}
 
 	reiserfs_write_lock(inode->i_sb);
-	down(&inode->i_sem);
+	mutex_lock(&inode->i_mutex);
 	/* freeing preallocation only involves relogging blocks that
 	 * are already in the current transaction.  preallocation gets
 	 * freed at the end of each transaction, so it is impossible for
@@ -100,7 +100,7 @@ static int reiserfs_file_release(struct inode *inode, struct file *filp)
 		err = reiserfs_truncate_file(inode, 0);
 	}
       out:
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 	reiserfs_write_unlock(inode->i_sb);
 	return err;
 }
@@ -1342,7 +1342,7 @@ static ssize_t reiserfs_file_write(struct file *file,	/* the file we are going t
 	if (unlikely(!access_ok(VERIFY_READ, buf, count)))
 		return -EFAULT;
 
-	down(&inode->i_sem);	// locks the entire file for just us
+	mutex_lock(&inode->i_mutex);	// locks the entire file for just us
 
 	pos = *ppos;
 
@@ -1532,12 +1532,12 @@ static ssize_t reiserfs_file_write(struct file *file,	/* the file we are going t
 		    generic_osync_inode(inode, file->f_mapping,
 					OSYNC_METADATA | OSYNC_DATA);
 
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 	reiserfs_async_progress_wait(inode->i_sb);
 	return (already_written != 0) ? already_written : res;
 
       out:
-	up(&inode->i_sem);	// unlock the file on exit.
+	mutex_unlock(&inode->i_mutex);	// unlock the file on exit.
 	return res;
 }