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udf: Remove unnecessary bkl usages

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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>
This commit is contained in:
Alessio Igor Bogani 2010-11-16 18:40:49 +01:00 • committed by Jan Kara
parent 7db09be629
commit 9db9f9e31d
5 changed files with 1 additions and 47 deletions
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4
fs/udf/file.c
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@ -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;
}