switch a bunch of places to mnt_want_write_file()

it's both faster (in case when file has been opened for write) and cleaner.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2011-11-23 11:57:51 -05:00
parent f47ec3f283
commit a561be7100
16 changed files with 42 additions and 42 deletions

View File

@@ -27,7 +27,7 @@
#include <linux/uaccess.h> /* copy_from_user(), copy_to_user() */
#include <linux/vmalloc.h>
#include <linux/compat.h> /* compat_ptr() */
#include <linux/mount.h> /* mnt_want_write(), mnt_drop_write() */
#include <linux/mount.h> /* mnt_want_write_file(), mnt_drop_write() */
#include <linux/buffer_head.h>
#include <linux/nilfs2_fs.h>
#include "nilfs.h"
@@ -119,7 +119,7 @@ static int nilfs_ioctl_setflags(struct inode *inode, struct file *filp,
if (get_user(flags, (int __user *)argp))
return -EFAULT;
ret = mnt_want_write(filp->f_path.mnt);
ret = mnt_want_write_file(filp);
if (ret)
return ret;
@@ -174,7 +174,7 @@ static int nilfs_ioctl_change_cpmode(struct inode *inode, struct file *filp,
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
ret = mnt_want_write(filp->f_path.mnt);
ret = mnt_want_write_file(filp);
if (ret)
return ret;
@@ -210,7 +210,7 @@ nilfs_ioctl_delete_checkpoint(struct inode *inode, struct file *filp,
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
ret = mnt_want_write(filp->f_path.mnt);
ret = mnt_want_write_file(filp);
if (ret)
return ret;
@@ -591,7 +591,7 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
ret = mnt_want_write(filp->f_path.mnt);
ret = mnt_want_write_file(filp);
if (ret)
return ret;
@@ -710,7 +710,7 @@ static int nilfs_ioctl_resize(struct inode *inode, struct file *filp,
if (!capable(CAP_SYS_ADMIN))
goto out;
ret = mnt_want_write(filp->f_path.mnt);
ret = mnt_want_write_file(filp);
if (ret)
goto out;