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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-03-23 19:48:23 +0100 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-03-27 21:34:35 +0100 |
| commit | e1e54ab710f8da922cd44651463bf8bb61114b5a (patch) | |
| tree | bf98a9ce386ea6960ca2b65ff437f70e7b75908a /fs/nfs/pnfs.c | |
| parent | pNFS/flexfile: Don't merge layout segments if the mirrors don't match (diff) | |
| download | linux-e1e54ab710f8da922cd44651463bf8bb61114b5a.tar.xz linux-e1e54ab710f8da922cd44651463bf8bb61114b5a.zip | |
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.c')
| -rw-r--r-- | fs/nfs/pnfs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index eba18f137fb0..6fcf26b16816 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -2611,7 +2611,7 @@ EXPORT_SYMBOL_GPL(pnfs_generic_pg_check_layout); * Check for any intersection between the request and the pgio->pg_lseg, * and if none, put this pgio->pg_lseg away. */ -static void +void pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) { if (pgio->pg_lseg && !pnfs_lseg_request_intersecting(pgio->pg_lseg, req)) { @@ -2619,6 +2619,7 @@ pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page pgio->pg_lseg = NULL; } } +EXPORT_SYMBOL_GPL(pnfs_generic_pg_check_range); void pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) |