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Btrfs: Add missing mnt_drop_write in ioctl.c

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This patch adds the missing mnt_drop_write to match
mnt_want_write in btrfs_ioctl_defrag and btrfs_ioctl_clone

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
This commit is contained in:
Yan Zheng 2008-12-19 10:58:39 -05:00 committed by Chris Mason
parent b16281c30c
commit ab67b7c1f7
1 changed files with 7 additions and 2 deletions
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9
fs/btrfs/ioctl.c
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@ -646,6 +646,7 @@ static int btrfs_ioctl_defrag(struct file *file)
break;
}
mnt_drop_write(file->f_path.mnt);
return 0;
}
@ -730,8 +731,10 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
return ret;
src_file = fget(srcfd);
if (!src_file)
return -EBADF;
if (!src_file) {
ret = -EBADF;
goto out_drop_write;
}
src = src_file->f_dentry->d_inode;
ret = -EINVAL;
@ -982,6 +985,8 @@ out_unlock:
btrfs_free_path(path);
out_fput:
fput(src_file);
out_drop_write:
mnt_drop_write(file->f_path.mnt);
return ret;
}