udf: Remove unnecessary bkl usages

The udf_readdir(), udf_lookup(), udf_create(), udf_mknod(), udf_mkdir(),
udf_rmdir(), udf_link(), udf_get_parent() and udf_unlink() seems already
adequately protected by i_mutex held by VFS invoking calls. The udf_rename()
instead should be already protected by lock_rename again by VFS. The
udf_ioctl(), udf_fill_super() and udf_evict_inode() don't requires any further
protection.

This work was supported by a hardware donation from the CE Linux Forum.

Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 0 insertions, 5 deletions

diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index 51552bf50225..eb8bfe2b89a5 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -30,7 +30,6 @@
 #include <linux/errno.h>
 #include <linux/mm.h>
 #include <linux/slab.h>
-#include <linux/smp_lock.h>
 #include <linux/buffer_head.h>
 
 #include "udf_i.h"
@@ -190,18 +189,14 @@ static int udf_readdir(struct file *filp, void *dirent, filldir_t filldir)
         struct inode *dir = filp->f_path.dentry->d_inode;
         int result;
 
-        lock_kernel();
-
         if (filp->f_pos == 0) {
                 if (filldir(dirent, ".", 1, filp->f_pos, dir->i_ino, DT_DIR) < 0) {
-                        unlock_kernel();
                         return 0;
                 }
                 filp->f_pos++;
         }
 
         result = do_udf_readdir(dir, filp, filldir, dirent);
-        unlock_kernel();
         return result;
 }