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Diffstat (limited to 'fs/nfs/pnfs.c')
-rw-r--r--fs/nfs/pnfs.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 84343aefbbd6..a5cc6199127f 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1980,7 +1980,9 @@ pnfs_update_layout(struct inode *ino,
struct pnfs_layout_segment *lseg = NULL;
struct nfs4_layoutget *lgp;
nfs4_stateid stateid;
- long timeout = 0;
+ struct nfs4_exception exception = {
+ .inode = ino,
+ };
unsigned long giveup = jiffies + (clp->cl_lease_time << 1);
bool first;
@@ -1997,6 +1999,14 @@ pnfs_update_layout(struct inode *ino,
}
lookup_again:
+ if (!nfs4_valid_open_stateid(ctx->state)) {
+ trace_pnfs_update_layout(ino, pos, count,
+ iomode, lo, lseg,
+ PNFS_UPDATE_LAYOUT_INVALID_OPEN);
+ lseg = ERR_PTR(-EIO);
+ goto out;
+ }
+
lseg = ERR_PTR(nfs4_client_recover_expired_lease(clp));
if (IS_ERR(lseg))
goto out;
@@ -2144,7 +2154,7 @@ lookup_again:
lgp->lo = lo;
pnfs_get_layout_hdr(lo);
- lseg = nfs4_proc_layoutget(lgp, &timeout);
+ lseg = nfs4_proc_layoutget(lgp, &exception);
trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg,
PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET);
nfs_layoutget_end(lo);
@@ -2171,6 +2181,8 @@ lookup_again:
goto out_put_layout_hdr;
}
if (lseg) {
+ if (!exception.retry)
+ goto out_put_layout_hdr;
if (first)
pnfs_clear_first_layoutget(lo);
trace_pnfs_update_layout(ino, pos, count,
@@ -2729,7 +2741,8 @@ pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *r
if (pgio->pg_dreq == NULL)
rd_size = i_size_read(pgio->pg_inode) - req_offset(req);
else
- rd_size = nfs_dreq_bytes_left(pgio->pg_dreq);
+ rd_size = nfs_dreq_bytes_left(pgio->pg_dreq,
+ req_offset(req));
pgio->pg_lseg =
pnfs_update_layout(pgio->pg_inode, nfs_req_openctx(req),