Re: [PATCH] NFS/INOTIFY: inotify user when deleting files on nfs

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Forwarding to the NFS mailing list ...

On 12/15/2011 12:27 AM, Maxim Uvarov wrote:
> This issue was introduced with LTP inotify02 test.
> If file system is not NFS user inotify application
> gets IN_DELETE event. But on NFS code avoids d_delete()
> which sends this event. This patch makes notification
> on NFS the same as non-NFS. I.e. vfs_unlink still avoids
> deletion but it sends event for NFS sillyrenamed files.
> More details here:
> https://lkml.org/lkml/2011/11/29/421
> 
> Signed-off-by: Maxim Uvarov <maxim.uvarov@xxxxxxxxxx>
> ---
>  fs/namei.c |   19 ++++++++++++++++---
>  1 files changed, 16 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/namei.c b/fs/namei.c
> index a9a7166..44a997e 100644
> --- a/fs/namei.c
> +++ b/fs/namei.c
> @@ -2737,10 +2737,23 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry)
>  	}
>  	mutex_unlock(&dentry->d_inode->i_mutex);
>  
> -	/* We don't d_delete() NFS sillyrenamed files--they still exist. */
> -	if (!error && !(dentry->d_flags & DCACHE_NFSFS_RENAMED)) {
> +
> +	if (!error) {
>  		fsnotify_link_count(dentry->d_inode);
> -		d_delete(dentry);
> +		if (!(dentry->d_flags & DCACHE_NFSFS_RENAMED))
> +			d_delete(dentry);
> +		else {
> +			/* We don't d_delete() NFS sillyrenamed files - they
> +			 * still exist. But from user side this file was
> +			 * deleted. So that we need to generate notify event
> +			 * about it.
> +			 */
> +			struct inode *inode;
> +			int isdir;
> +			inode = dentry->d_inode;
> +			isdir = S_ISDIR(inode->i_mode);
> +			fsnotify_nameremove(dentry, isdir);
> +		}
>  	}
>  
>  	return error;

--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux