fs/9p: add 9P2000.L unlinkat operation
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Tue, 28 Jun 2011 10:11:18 +0000 (15:11 +0530)
committerEric Van Hensbergen <ericvh@gmail.com>
Sat, 23 Jul 2011 14:32:52 +0000 (09:32 -0500)
commit48e370ff93769ee6e592ddef3bb38686b8147c67
tree045a8b0c905be07df33ae06d776e972448a6e447
parent9e8fb38e7d7a00e5f63bbb331f0ea4c02286d5e6
fs/9p: add 9P2000.L unlinkat operation

unlinkat - Remove a directory entry

size[4] Tunlinkat tag[2] dirfid[4] name[s] flag[4]
size[4] Runlinkat tag[2]

older Tremove have the below request format

size[4] Tremove tag[2] fid[4]

The remove message is used to remove a directory entry either file or directory
The remove opreation is actually a directory opertation and should ideally have
dirfid, if not we cannot represent the fid on server with anything other than
name. We will have to derive the directory name from fid in the Tremove request.

NOTE: The operation doesn't clunk the unlink fid.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
fs/9p/vfs_inode.c
include/net/9p/9p.h
include/net/9p/client.h
net/9p/client.c