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authorTrond Myklebust <trond.myklebust@hammerspace.com>2020-03-23 14:48:23 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2020-03-27 16:34:35 -0400
commite1e54ab710f8da922cd44651463bf8bb61114b5a (patch)
treebf98a9ce386ea6960ca2b65ff437f70e7b75908a /fs/nfs/pnfs.h
parent660d1eb22301c290945450414fb0be5ae25526f1 (diff)
downloadlinux-e1e54ab710f8da922cd44651463bf8bb61114b5a.tar.bz2
pNFS/flexfiles: Check the layout segment range before doing I/O
When starting to read or write with a layout segment, check that the range matches our request. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/pnfs.h')
-rw-r--r--fs/nfs/pnfs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index b32025553f26..8e0ada581b92 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -252,6 +252,7 @@ void pnfs_put_lseg(struct pnfs_layout_segment *lseg);
void set_pnfs_layoutdriver(struct nfs_server *, const struct nfs_fh *, struct nfs_fsinfo *);
void unset_pnfs_layoutdriver(struct nfs_server *);
void pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio);
+void pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page *req);
void pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *, struct nfs_page *);
int pnfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc);
void pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio,