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, 4 deletions

diff --git a/fs/udf/file.c b/fs/udf/file.c
index df0c5561cc7e..4e3bbd81b57b 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -32,7 +32,6 @@
 #include <linux/string.h> /* memset */
 #include <linux/capability.h>
 #include <linux/errno.h>
-#include <linux/smp_lock.h>
 #include <linux/pagemap.h>
 #include <linux/buffer_head.h>
 #include <linux/aio.h>
@@ -149,8 +148,6 @@ long udf_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
         long old_block, new_block;
         int result = -EINVAL;
 
-        lock_kernel();
-
         if (file_permission(filp, MAY_READ) != 0) {
                 udf_debug("no permission to access inode %lu\n", inode->i_ino);
                 result = -EPERM;
@@ -196,7 +193,6 @@ long udf_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
         }
 
 out:
-        unlock_kernel();
         return result;
 }