[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/exportfs/expfs.c b/fs/exportfs/expfs.c
index c49d6254379a..5bfe40085fbc 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -177,9 +177,9 @@ find_exported_dentry(struct super_block *sb, void *obj, void *parent,
                         struct dentry *ppd;
                         struct dentry *npd;
 
-                        down(&pd->d_inode->i_sem);
+                        mutex_lock(&pd->d_inode->i_mutex);
                         ppd = CALL(nops,get_parent)(pd);
-                        up(&pd->d_inode->i_sem);
+                        mutex_unlock(&pd->d_inode->i_mutex);
 
                         if (IS_ERR(ppd)) {
                                 err = PTR_ERR(ppd);
@@ -201,9 +201,9 @@ find_exported_dentry(struct super_block *sb, void *obj, void *parent,
                                 break;
                         }
                         dprintk("find_exported_dentry: found name: %s\n", nbuf);
-                        down(&ppd->d_inode->i_sem);
+                        mutex_lock(&ppd->d_inode->i_mutex);
                         npd = lookup_one_len(nbuf, ppd, strlen(nbuf));
-                        up(&ppd->d_inode->i_sem);
+                        mutex_unlock(&ppd->d_inode->i_mutex);
                         if (IS_ERR(npd)) {
                                 err = PTR_ERR(npd);
                                 dprintk("find_exported_dentry: lookup failed: %d\n", err);
@@ -242,9 +242,9 @@ find_exported_dentry(struct super_block *sb, void *obj, void *parent,
                 struct dentry *nresult;
                 err = CALL(nops,get_name)(target_dir, nbuf, result);
                 if (!err) {
-                        down(&target_dir->d_inode->i_sem);
+                        mutex_lock(&target_dir->d_inode->i_mutex);
                         nresult = lookup_one_len(nbuf, target_dir, strlen(nbuf));
-                        up(&target_dir->d_inode->i_sem);
+                        mutex_unlock(&target_dir->d_inode->i_mutex);
                         if (!IS_ERR(nresult)) {
                                 if (nresult->d_inode) {
                                         dput(result);