diff options
| -rw-r--r-- | fs/nfs/unlink.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c index 8d6864c2a5f..981298ce512 100644 --- a/fs/nfs/unlink.c +++ b/fs/nfs/unlink.c @@ -501,6 +501,14 @@ nfs_async_rename(struct inode *old_dir, struct inode *new_dir, * and only performs the unlink once the last reference to it is put. * * The final cleanup is done during dentry_iput. + * + * (Note: NFSv4 is stateful, and has opens, so in theory an NFSv4 server + * could take responsibility for keeping open files referenced. The server + * would also need to ensure that opened-but-deleted files were kept over + * reboots. However, we may not assume a server does so. (RFC 5661 + * does provide an OPEN4_RESULT_PRESERVE_UNLINKED flag that a server can + * use to advertise that it does this; some day we may take advantage of + * it.)) */ int nfs_sillyrename(struct inode *dir, struct dentry *dentry) |