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| author |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-03-30 12:40:47 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-04-01 13:37:56 -0400 |
| commit | e00ed89d7bd59c4ae49d6aeeee567187b1357a4b (patch) | |
| tree | 01d1b60917b8970e8f42be04dc6ae0788ca55b67 /include/linux/nfs_page.h | |
| parent | NFS: Reverse the submission order of requests in __nfs_pageio_add_request() (diff) | |
| download | wireguard-linux-e00ed89d7bd59c4ae49d6aeeee567187b1357a4b.tar.xz wireguard-linux-e00ed89d7bd59c4ae49d6aeeee567187b1357a4b.zip | |
NFS: Refactor nfs_lock_and_join_requests()
Refactor nfs_lock_and_join_requests() in order to separate out the
subrequest merging into its own function nfs_lock_and_join_group()
that can be used by O_DIRECT.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'include/linux/nfs_page.h')
| -rw-r--r-- | include/linux/nfs_page.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index dd205bc6bc58..99198c039bd6 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -139,6 +139,7 @@ extern size_t nfs_generic_pg_test(struct nfs_pageio_descriptor *desc, extern int nfs_wait_on_request(struct nfs_page *); extern void nfs_unlock_request(struct nfs_page *req); extern void nfs_unlock_and_release_request(struct nfs_page *); +extern struct nfs_page *nfs_page_group_lock_head(struct nfs_page *req); extern int nfs_page_group_lock_subrequests(struct nfs_page *head); extern int nfs_page_group_lock(struct nfs_page *); extern void nfs_page_group_unlock(struct nfs_page *); |