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authorTrond Myklebust <trond.myklebust@hammerspace.com>2020-03-31 03:57:49 +0300
committerTrond Myklebust <trond.myklebust@hammerspace.com>2020-04-01 20:37:57 +0300
commited5d588fe47feef290f271022820e255d8371561 (patch)
treef8158a5483b1a880ef573b1d5e18db662064c7f6 /include/linux/nfs_page.h
parente00ed89d7bd59c4ae49d6aeeee567187b1357a4b (diff)
downloadlinux-ed5d588fe47feef290f271022820e255d8371561.tar.xz
NFS: Try to join page groups before an O_DIRECT retransmission
If we have to retransmit requests, try to join their page groups first. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'include/linux/nfs_page.h')
-rw-r--r--include/linux/nfs_page.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 99198c039bd6..c32c15216da3 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -141,6 +141,7 @@ 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 void nfs_join_page_group(struct nfs_page *head, struct inode *inode);
extern int nfs_page_group_lock(struct nfs_page *);
extern void nfs_page_group_unlock(struct nfs_page *);
extern bool nfs_page_group_sync_on_bit(struct nfs_page *, unsigned int);