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authorAl Viro <viro@zeniv.linux.org.uk>2011-12-09 14:06:57 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2012-01-04 04:52:40 +0100
commit2a79f17e4a641a2f463cb512cb0ec349844a147b (patch)
tree8801127310d0a3492941bb284e83393844a19685 /fs/btrfs/ioctl.c
parentconstify seq_file stuff (diff)
downloadlinux-2a79f17e4a641a2f463cb512cb0ec349844a147b.tar.xz
linux-2a79f17e4a641a2f463cb512cb0ec349844a147b.zip
vfs: mnt_drop_write_file()
new helper (wrapper around mnt_drop_write()) to be used in pair with mnt_want_write_file(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 20dd8f3b6c72..5441ff1480fd 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -259,7 +259,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
btrfs_end_transaction(trans, root);
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
ret = 0;
out_unlock:
@@ -1971,7 +1971,7 @@ out_dput:
dput(dentry);
out_unlock_dir:
mutex_unlock(&dir->i_mutex);
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
out:
kfree(vol_args);
return err;
@@ -2040,7 +2040,7 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp)
ret = -EINVAL;
}
out:
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
return ret;
}
@@ -2510,7 +2510,7 @@ out_unlock:
out_fput:
fput(src_file);
out_drop_write:
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
return ret;
}
@@ -2565,7 +2565,7 @@ static long btrfs_ioctl_trans_start(struct file *file)
out_drop:
atomic_dec(&root->fs_info->open_ioctl_trans);
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
out:
return ret;
}
@@ -2800,7 +2800,7 @@ long btrfs_ioctl_trans_end(struct file *file)
atomic_dec(&root->fs_info->open_ioctl_trans);
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
return 0;
}