[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/net/unix/af_unix.c b/net/unix/af_unix.c
index 5f6ae79..1b5989b 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -784,7 +784,7 @@
err = vfs_mknod(nd.dentry->d_inode, dentry, mode, 0);
if (err)
goto out_mknod_dput;
- up(&nd.dentry->d_inode->i_sem);
+ mutex_unlock(&nd.dentry->d_inode->i_mutex);
dput(nd.dentry);
nd.dentry = dentry;
@@ -823,7 +823,7 @@
out_mknod_dput:
dput(dentry);
out_mknod_unlock:
- up(&nd.dentry->d_inode->i_sem);
+ mutex_unlock(&nd.dentry->d_inode->i_mutex);
path_release(&nd);
out_mknod_parent:
if (err==-EEXIST)