GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-29 18:11:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

NFS: DNS resolver PipeFS notifier introduced

Browse source 
This patch subscribes DNS resolver caches to RPC pipefs notifications. Notifier
is registering on NFS module load. This notifier callback is responsible for
creation/destruction of PipeFS DNS resolver cache directory.
Note that no locking required in notifier callback because PipeFS superblock
pointer is passed as an argument from it's creation or destruction routine and
thus we can be sure about it's validity.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Stanislav Kinsbursky 2011-11-25 17:13:12 +03:00 • committed by Trond Myklebust
parent 1b340d0118
commit 9df69c81b4
3 changed files with 43 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

4
fs/nfs/cache_lib.c
View file

@ -112,7 +112,7 @@ int nfs_cache_wait_for_upcall(struct nfs_cache_defer_req *dreq)
return 0;
}
static int nfs_cache_register_sb(struct super_block *sb, struct cache_detail *cd)
int nfs_cache_register_sb(struct super_block *sb, struct cache_detail *cd)
{
int ret;
struct dentry *dir;
@ -147,7 +147,7 @@ err:
return ret;
}
static void nfs_cache_unregister_sb(struct super_block *sb, struct cache_detail *cd)
void nfs_cache_unregister_sb(struct super_block *sb, struct cache_detail *cd)
{
if (cd->u.pipefs.dir)
sunrpc_cache_unregister_pipefs(cd);