[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>
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 8c41315..ff1b7d1 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -118,7 +118,7 @@
vma_len = (loff_t)(vma->vm_end - vma->vm_start);
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
file_accessed(file);
vma->vm_flags |= VM_HUGETLB | VM_RESERVED;
vma->vm_ops = &hugetlb_vm_ops;
@@ -133,7 +133,7 @@
if (inode->i_size < len)
inode->i_size = len;
out:
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
return ret;
}