[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/hpfs/dir.c b/fs/hpfs/dir.c
index 0217c3a04441..5591f9623aa2 100644
--- a/fs/hpfs/dir.c
+++ b/fs/hpfs/dir.c
@@ -32,19 +32,19 @@ static loff_t hpfs_dir_lseek(struct file *filp, loff_t off, int whence)
 
         /*printk("dir lseek\n");*/
         if (new_off == 0 || new_off == 1 || new_off == 11 || new_off == 12 || new_off == 13) goto ok;
-        down(&i->i_sem);
+        mutex_lock(&i->i_mutex);
         pos = ((loff_t) hpfs_de_as_down_as_possible(s, hpfs_inode->i_dno) << 4) + 1;
         while (pos != new_off) {
                 if (map_pos_dirent(i, &pos, &qbh)) hpfs_brelse4(&qbh);
                 else goto fail;
                 if (pos == 12) goto fail;
         }
-        up(&i->i_sem);
+        mutex_unlock(&i->i_mutex);
 ok:
         unlock_kernel();
         return filp->f_pos = new_off;
 fail:
-        up(&i->i_sem);
+        mutex_unlock(&i->i_mutex);
         /*printk("illegal lseek: %016llx\n", new_off);*/
         unlock_kernel();
         return -ESPIPE;