The lock context already references and tracks the open context, so
take the opportunity to save some space in struct nfs_page.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/pagelist.c | 7 +------
include/linux/nfs_page.h | 3 +--
2 files changed, 2 insertions(+), 8 deletions(-)
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index ce6440b79328..5d5ac5df93e2 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -325,7 +325,6 @@ __nfs_create_request(struct nfs_lock_context *l_ctx, struct page *page,
req->wb_offset = offset;
req->wb_pgbase = pgbase;
req->wb_bytes = count;
- req->wb_context = get_nfs_open_context(ctx);
kref_init(&req->wb_kref);
req->wb_nio = 0;
return req;
@@ -414,8 +413,8 @@ void nfs_unlock_and_release_request(struct nfs_page *req)
static 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;
+ struct nfs_open_context *ctx = l_ctx->open_context;
if (page != NULL) {
put_page(page);
@@ -430,10 +429,6 @@ static void nfs_clear_request(struct nfs_page *req)
nfs_put_lock_context(l_ctx);
req->wb_lock_context = NULL;
}
- if (ctx != NULL) {
- put_nfs_open_context(ctx);
- req->wb_context = NULL;
- }
}
/**
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 1ea13e94feb7..0bbd587fac6a 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -42,7 +42,6 @@ struct nfs_inode;
struct nfs_page {
struct list_head wb_list; /* Defines state of page: */
struct page *wb_page; /* page to read in/write out */
- struct nfs_open_context *wb_context; /* File state context info */
struct nfs_lock_context *wb_lock_context; /* lock context info */
pgoff_t wb_index; /* Offset >> PAGE_SHIFT */
unsigned int wb_offset, /* Offset & ~PAGE_MASK */
@@ -203,7 +202,7 @@ loff_t req_offset(struct nfs_page *req)
static inline struct nfs_open_context *
nfs_req_openctx(struct nfs_page *req)
{
- return req->wb_context;
+ return req->wb_lock_context->open_context;
}
#endif /* _LINUX_NFS_PAGE_H */
--
2.20.1
