diff options
Diffstat (limited to 'include/linux/nfs_page.h')
| -rw-r--r-- | include/linux/nfs_page.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index 454587123f33..12a6758cc859 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -40,8 +40,8 @@ struct nfs_page { unsigned long wb_index; /* Offset >> PAGE_CACHE_SHIFT */ unsigned int wb_offset, /* Offset & ~PAGE_CACHE_MASK */ wb_pgbase, /* Start of page data */ - wb_bytes, /* Length of request */ - wb_count; /* reference count */ + wb_bytes; /* Length of request */ + atomic_t wb_count; /* reference count */ unsigned long wb_flags; struct nfs_writeverf wb_verf; /* Commit cookie */ }; @@ -65,8 +65,6 @@ extern int nfs_coalesce_requests(struct list_head *, struct list_head *, unsigned int); extern int nfs_wait_on_request(struct nfs_page *); -extern spinlock_t nfs_wreq_lock; - /* * Lock the page of an asynchronous request without incrementing the wb_count */ @@ -86,7 +84,7 @@ nfs_lock_request(struct nfs_page *req) { if (test_and_set_bit(PG_BUSY, &req->wb_flags)) return 0; - req->wb_count++; + atomic_inc(&req->wb_count); return 1; } |