diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/nfs_page.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index 50856e9c1e5f..eac30d6bec17 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -28,6 +28,7 @@ enum { PG_NEED_COMMIT, PG_NEED_RESCHED, PG_PARTIAL_READ_FAILED, + PG_COMMIT_TO_DS, }; struct nfs_inode; @@ -104,6 +105,16 @@ nfs_lock_request_dontget(struct nfs_page *req) return !test_and_set_bit(PG_BUSY, &req->wb_flags); } +static inline int +nfs_lock_request(struct nfs_page *req) +{ + if (test_and_set_bit(PG_BUSY, &req->wb_flags)) + return 0; + kref_get(&req->wb_kref); + return 1; +} + + /** * nfs_list_add_request - Insert a request into a list * @req: request |