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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-11-14 14:34:18 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-09 02:32:24 -0500
commite523ce8c99f9bbd530fda7d46c35409fee88a50f (patch)
treef9fbaa211921aa7dc7f911baedb7c63f89ca772a /fs
parentf32659df6e154b40391afe7a5db3f0879ad6e70a (diff)
pNFS: Clear NFS_LAYOUT_RETURN_REQUESTED when invalidating the layout stateid
commit ae5a459d5f65c3e83f3e14068dde5fb9c9d81807 upstream. We must ensure that we don't schedule a layoutreturn if the layout stateid has been marked as invalid. Fixes: 2a59a0411671e ("pNFS: Fix pnfs_set_layout_stateid() to clear...") Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/pnfs.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 106dee9dca34..a106f709c1a7 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -299,6 +299,14 @@ pnfs_put_layout_hdr(struct pnfs_layout_hdr *lo)
299 } 299 }
300} 300}
301 301
302static void
303pnfs_clear_layoutreturn_info(struct pnfs_layout_hdr *lo)
304{
305 lo->plh_return_iomode = 0;
306 lo->plh_return_seq = 0;
307 clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags);
308}
309
302/* 310/*
303 * Mark a pnfs_layout_hdr and all associated layout segments as invalid 311 * Mark a pnfs_layout_hdr and all associated layout segments as invalid
304 * 312 *
@@ -317,6 +325,7 @@ pnfs_mark_layout_stateid_invalid(struct pnfs_layout_hdr *lo,
317 }; 325 };
318 326
319 set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags); 327 set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
328 pnfs_clear_layoutreturn_info(lo);
320 return pnfs_mark_matching_lsegs_invalid(lo, lseg_list, &range, 0); 329 return pnfs_mark_matching_lsegs_invalid(lo, lseg_list, &range, 0);
321} 330}
322 331
@@ -818,14 +827,6 @@ pnfs_destroy_all_layouts(struct nfs_client *clp)
818 pnfs_destroy_layouts_byclid(clp, false); 827 pnfs_destroy_layouts_byclid(clp, false);
819} 828}
820 829
821static void
822pnfs_clear_layoutreturn_info(struct pnfs_layout_hdr *lo)
823{
824 lo->plh_return_iomode = 0;
825 lo->plh_return_seq = 0;
826 clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags);
827}
828
829/* update lo->plh_stateid with new if is more recent */ 830/* update lo->plh_stateid with new if is more recent */
830void 831void
831pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo, const nfs4_stateid *new, 832pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo, const nfs4_stateid *new,