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| author | Stanislav Kinsbursky <skinsbursky@parallels.com> | 2011-11-25 14:12:40 (GMT) |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-01-31 23:20:26 (GMT) |
| commit | 820f9442e711a81749e70c40f149fc54c4ce0ca8 (patch) | |
| tree | d3e3f9b6e32cc8f19189d9760ce60ee502b81ee8 /net | |
| parent | 30507f58ce11e7664512059c708347d7a7d75271 (diff) | |
| download | linux-820f9442e711a81749e70c40f149fc54c4ce0ca8.tar.xz | |
SUNRPC: split cache creation and PipeFS registration
This precursor patch splits SUNRPC cache creation and PipeFS registartion.
It's required for latter split of NFS DNS resolver cache creation per network
namespace context and PipeFS registration/unregistration on MOUNT/UMOUNT
events.
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/cache.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 465df9a..fefe067 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -344,7 +344,7 @@ static int current_index; static void do_cache_clean(struct work_struct *work); static struct delayed_work cache_cleaner; -static void sunrpc_init_cache_detail(struct cache_detail *cd) +void sunrpc_init_cache_detail(struct cache_detail *cd) { rwlock_init(&cd->hash_lock); INIT_LIST_HEAD(&cd->queue); @@ -360,8 +360,9 @@ static void sunrpc_init_cache_detail(struct cache_detail *cd) /* start the cleaning process */ schedule_delayed_work(&cache_cleaner, 0); } +EXPORT_SYMBOL_GPL(sunrpc_init_cache_detail); -static void sunrpc_destroy_cache_detail(struct cache_detail *cd) +void sunrpc_destroy_cache_detail(struct cache_detail *cd) { cache_purge(cd); spin_lock(&cache_list_lock); @@ -384,6 +385,7 @@ static void sunrpc_destroy_cache_detail(struct cache_detail *cd) out: printk(KERN_ERR "nfsd: failed to unregister %s cache\n", cd->name); } +EXPORT_SYMBOL_GPL(sunrpc_destroy_cache_detail); /* clean cache tries to find something to clean * and cleans it. @@ -1787,17 +1789,14 @@ int sunrpc_cache_register_pipefs(struct dentry *parent, struct dentry *dir; int ret = 0; - sunrpc_init_cache_detail(cd); q.name = name; q.len = strlen(name); q.hash = full_name_hash(q.name, q.len); dir = rpc_create_cache_dir(parent, &q, umode, cd); if (!IS_ERR(dir)) cd->u.pipefs.dir = dir; - else { - sunrpc_destroy_cache_detail(cd); + else ret = PTR_ERR(dir); - } return ret; } EXPORT_SYMBOL_GPL(sunrpc_cache_register_pipefs); @@ -1806,7 +1805,6 @@ void sunrpc_cache_unregister_pipefs(struct cache_detail *cd) { rpc_remove_cache_dir(cd->u.pipefs.dir); cd->u.pipefs.dir = NULL; - sunrpc_destroy_cache_detail(cd); } EXPORT_SYMBOL_GPL(sunrpc_cache_unregister_pipefs); |