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Commit 66755283 authored by Jeff Layton's avatar Jeff Layton Committed by Anna Schumaker
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pnfs: record sequence in pnfs_layout_segment when it's created 



In later patches, we're going to teach the client to be more selective
about how it returns layouts. This means keeping a record of what the
stateid's seqid was at the time that the server handed out a layout
segment.

Signed-off-by: default avatarJeff Layton <jeff.layton@primarydata.com>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent ee26bdd6

fs/nfs/pnfs.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -1697,6 +1697,7 @@ pnfs_layout_process(struct nfs4_layoutget *lgp) 




	init_lseg(lo, lseg);

	init_lseg(lo, lseg);

	lseg->pls_range = res->range;

	lseg->pls_range = res->range;

	lseg->pls_seq = be32_to_cpu(res->stateid.seqid);





	spin_lock(&ino->i_lock);

	spin_lock(&ino->i_lock);

	if (pnfs_layoutgets_blocked(lo)) {

	if (pnfs_layoutgets_blocked(lo)) {

fs/nfs/pnfs.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -64,6 +64,7 @@ struct pnfs_layout_segment { 
	struct list_head pls_lc_list;

	struct list_head pls_lc_list;

	struct pnfs_layout_range pls_range;

	struct pnfs_layout_range pls_range;

	atomic_t pls_refcount;

	atomic_t pls_refcount;

	u32 pls_seq;

	unsigned long pls_flags;

	unsigned long pls_flags;

	struct pnfs_layout_hdr *pls_layout;

	struct pnfs_layout_hdr *pls_layout;

	struct work_struct pls_work;

	struct work_struct pls_work;