NFSv4.1: Remove the NFS_LAYOUT_RETURNED state
It serves no purpose that the test for whether or not we have valid
layout segments doesn't already serve.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 174c51a..20a1b62 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -692,7 +692,7 @@
spin_lock(&ino->i_lock);
lo = nfsi->layout;
- if (!lo || pnfs_test_layout_returned(lo)) {
+ if (!lo) {
spin_unlock(&ino->i_lock);
dprintk("NFS: %s no layout to return\n", __func__);
goto out;
@@ -710,7 +710,6 @@
goto out;
}
lo->plh_block_lgets++;
- pnfs_mark_layout_returned(lo);
spin_unlock(&ino->i_lock);
pnfs_free_lseg_list(&tmp_list);
@@ -721,7 +720,6 @@
status = -ENOMEM;
pnfs_layout_io_set_failed(lo, IOMODE_RW);
pnfs_layout_io_set_failed(lo, IOMODE_READ);
- pnfs_clear_layout_returned(lo);
pnfs_put_layout_hdr(lo);
goto out;
}
@@ -1111,9 +1109,6 @@
if (list_empty(&lo->plh_segs))
first = true;
- /* Enable LAYOUTRETURNs */
- pnfs_clear_layout_returned(lo);
-
spin_unlock(&ino->i_lock);
if (first) {
/* The lo must be on the clp list if there is any
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 92f6ce6..6cede2c 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -62,7 +62,6 @@
NFS_LAYOUT_RW_FAILED, /* get rw layout failed stop trying */
NFS_LAYOUT_BULK_RECALL, /* bulk recall affecting layout */
NFS_LAYOUT_ROC, /* some lseg had roc bit set */
- NFS_LAYOUT_RETURNED, /* layout has already been returned */
};
enum layoutdriver_policy_flags {
@@ -259,24 +258,6 @@
bool nfs4_test_deviceid_unavailable(struct nfs4_deviceid_node *node);
void nfs4_deviceid_purge_client(const struct nfs_client *);
-static inline void
-pnfs_mark_layout_returned(struct pnfs_layout_hdr *lo)
-{
- set_bit(NFS_LAYOUT_RETURNED, &lo->plh_flags);
-}
-
-static inline void
-pnfs_clear_layout_returned(struct pnfs_layout_hdr *lo)
-{
- clear_bit(NFS_LAYOUT_RETURNED, &lo->plh_flags);
-}
-
-static inline bool
-pnfs_test_layout_returned(struct pnfs_layout_hdr *lo)
-{
- return test_bit(NFS_LAYOUT_RETURNED, &lo->plh_flags);
-}
-
static inline struct pnfs_layout_segment *
pnfs_get_lseg(struct pnfs_layout_segment *lseg)
{