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authorAl Viro <viro@zeniv.linux.org.uk>2011-11-23 11:57:51 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2012-01-03 22:52:35 -0500
commita561be7100cd610bd2e082f3211c1dfb45835817 (patch)
treea1016a11df967be6f289a4e8ae29597ba39df17e /fs/btrfs/ioctl.c
parentf47ec3f28354795f000c14bf18ed967ec81a3ec3 (diff)
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>
Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index c04f02c7d5bb..20dd8f3b6c72 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -201,7 +201,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
}
}
- ret = mnt_want_write(file->f_path.mnt);
+ ret = mnt_want_write_file(file);
if (ret)
goto out_unlock;
@@ -1855,7 +1855,7 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file,
goto out;
}
- err = mnt_want_write(file->f_path.mnt);
+ err = mnt_want_write_file(file);
if (err)
goto out;
@@ -1987,7 +1987,7 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp)
if (btrfs_root_readonly(root))
return -EROFS;
- ret = mnt_want_write(file->f_path.mnt);
+ ret = mnt_want_write_file(file);
if (ret)
return ret;
@@ -2195,7 +2195,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
if (btrfs_root_readonly(root))
return -EROFS;
- ret = mnt_want_write(file->f_path.mnt);
+ ret = mnt_want_write_file(file);
if (ret)
return ret;
@@ -2549,7 +2549,7 @@ static long btrfs_ioctl_trans_start(struct file *file)
if (btrfs_root_readonly(root))
goto out;
- ret = mnt_want_write(file->f_path.mnt);
+ ret = mnt_want_write_file(file);
if (ret)
goto out;