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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-06-25 16:35:53 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-07-30 14:41:56 -0400
commitf11ac8db5d07b6e99d41ff4aa39d878ee5cef1c5 (patch)
tree4393cbc2653145ba3269d5143f5db7811a59698b /fs/nfs/pagelist.c
parent1f0e890dba5b0f543fea47732116b1c65d55614e (diff)
NFSv4: Ensure that we track the NFSv4 lock state in read/write requests.
This patch fixes bugzilla entry 14501: https://bugzilla.kernel.org/show_bug.cgi?id=14501 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/pagelist.c')
-rw-r--r--fs/nfs/pagelist.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index a3654e57b58..919490232e1 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -79,6 +79,7 @@ nfs_create_request(struct nfs_open_context *ctx, struct inode *inode,
req->wb_pgbase = offset;
req->wb_bytes = count;
req->wb_context = get_nfs_open_context(ctx);
+ req->wb_lock_context = nfs_get_lock_context(ctx);
kref_init(&req->wb_kref);
return req;
}
@@ -141,11 +142,16 @@ void nfs_clear_request(struct nfs_page *req)
{
struct page *page = req->wb_page;
struct nfs_open_context *ctx = req->wb_context;
+ struct nfs_lock_context *l_ctx = req->wb_lock_context;
if (page != NULL) {
page_cache_release(page);
req->wb_page = NULL;
}
+ if (l_ctx != NULL) {
+ nfs_put_lock_context(l_ctx);
+ req->wb_lock_context = NULL;
+ }
if (ctx != NULL) {
put_nfs_open_context(ctx);
req->wb_context = NULL;
@@ -235,7 +241,7 @@ static int nfs_can_coalesce_requests(struct nfs_page *prev,
{
if (req->wb_context->cred != prev->wb_context->cred)
return 0;
- if (req->wb_context->lockowner != prev->wb_context->lockowner)
+ if (req->wb_lock_context->lockowner != prev->wb_lock_context->lockowner)
return 0;
if (req->wb_context->state != prev->wb_context->state)
return 0;