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authorJes Sorensen <jes@sgi.com>2006-01-09 15:59:24 -0800
committerIngo Molnar <mingo@hera.kernel.org>2006-01-09 15:59:24 -0800
commit1b1dcc1b57a49136f118a0f16367256ff9994a69 (patch)
treeb0b36d4f41d28c9d6514fb309d33c1a084d6309b /fs/exportfs/expfs.c
parent794ee1baee1c26be40410233e6c20bceb2b03c08 (diff)
[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>
Diffstat (limited to 'fs/exportfs/expfs.c')
-rw-r--r--fs/exportfs/expfs.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index c49d6254379..5bfe40085fb 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);