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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-11-20 21:13:54 +0300
committerTrond Myklebust <trond.myklebust@primarydata.com>2016-12-02 01:21:43 +0300
commit2a974425e57fb882c93709c6072bf66d04431635 (patch)
treee76a058429db171c98f5fb58e927441128b11ff7 /fs/nfs/pnfs.h
parent68f744797edd27016055c562a605691f5d4ac933 (diff)
downloadlinux-2a974425e57fb882c93709c6072bf66d04431635.tar.xz
NFSv4: Ignore LAYOUTRETURN result if the layout doesn't match or is invalid
Fix a potential race with CB_LAYOUTRECALL in which the server recalls the remaining layout segments while our LAYOUTRETURN is still in transit. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/pnfs.h')
-rw-r--r--fs/nfs/pnfs.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index a382710edf40..bc9a3aa31d3c 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -295,8 +295,8 @@ struct pnfs_layout_segment *pnfs_update_layout(struct inode *ino,
bool strict_iomode,
gfp_t gfp_flags);
void pnfs_layoutreturn_free_lsegs(struct pnfs_layout_hdr *lo,
+ const nfs4_stateid *arg_stateid,
const struct pnfs_layout_range *range,
- u32 seq,
const nfs4_stateid *stateid);
void pnfs_generic_layout_insert_lseg(struct pnfs_layout_hdr *lo,