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path: root/fs/nfs/nfs4filelayout.c
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Diffstat (limited to 'fs/nfs/nfs4filelayout.c')
-rw-r--r--fs/nfs/nfs4filelayout.c40
1 files changed, 10 insertions, 30 deletions
diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index e8915d4840ad..12185aadb349 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -77,19 +77,6 @@ filelayout_get_dserver_offset(struct pnfs_layout_segment *lseg, loff_t offset)
BUG();
}
-/* For data server errors we don't recover from */
-static void
-filelayout_set_lo_fail(struct pnfs_layout_segment *lseg)
-{
- if (lseg->pls_range.iomode == IOMODE_RW) {
- dprintk("%s Setting layout IOMODE_RW fail bit\n", __func__);
- set_bit(lo_fail_bit(IOMODE_RW), &lseg->pls_layout->plh_flags);
- } else {
- dprintk("%s Setting layout IOMODE_READ fail bit\n", __func__);
- set_bit(lo_fail_bit(IOMODE_READ), &lseg->pls_layout->plh_flags);
- }
-}
-
static int filelayout_async_handle_error(struct rpc_task *task,
struct nfs4_state *state,
struct nfs_client *clp,
@@ -135,7 +122,6 @@ static int filelayout_async_handle_error(struct rpc_task *task,
static int filelayout_read_done_cb(struct rpc_task *task,
struct nfs_read_data *data)
{
- struct nfs_client *clp = data->ds_clp;
int reset = 0;
dprintk("%s DS read\n", __func__);
@@ -145,11 +131,10 @@ static int filelayout_read_done_cb(struct rpc_task *task,
dprintk("%s calling restart ds_clp %p ds_clp->cl_session %p\n",
__func__, data->ds_clp, data->ds_clp->cl_session);
if (reset) {
- filelayout_set_lo_fail(data->lseg);
+ pnfs_set_lo_fail(data->lseg);
nfs4_reset_read(task, data);
- clp = NFS_SERVER(data->inode)->nfs_client;
}
- nfs_restart_rpc(task, clp);
+ rpc_restart_call_prepare(task);
return -EAGAIN;
}
@@ -216,17 +201,13 @@ static int filelayout_write_done_cb(struct rpc_task *task,
if (filelayout_async_handle_error(task, data->args.context->state,
data->ds_clp, &reset) == -EAGAIN) {
- struct nfs_client *clp;
-
dprintk("%s calling restart ds_clp %p ds_clp->cl_session %p\n",
__func__, data->ds_clp, data->ds_clp->cl_session);
if (reset) {
- filelayout_set_lo_fail(data->lseg);
+ pnfs_set_lo_fail(data->lseg);
nfs4_reset_write(task, data);
- clp = NFS_SERVER(data->inode)->nfs_client;
- } else
- clp = data->ds_clp;
- nfs_restart_rpc(task, clp);
+ }
+ rpc_restart_call_prepare(task);
return -EAGAIN;
}
@@ -256,9 +237,9 @@ static int filelayout_commit_done_cb(struct rpc_task *task,
__func__, data->ds_clp, data->ds_clp->cl_session);
if (reset) {
prepare_to_resend_writes(data);
- filelayout_set_lo_fail(data->lseg);
+ pnfs_set_lo_fail(data->lseg);
} else
- nfs_restart_rpc(task, data->ds_clp);
+ rpc_restart_call_prepare(task);
return -EAGAIN;
}
@@ -468,9 +449,8 @@ filelayout_check_layout(struct pnfs_layout_hdr *lo,
fl->dsaddr = dsaddr;
- if (fl->first_stripe_index < 0 ||
- fl->first_stripe_index >= dsaddr->stripe_count) {
- dprintk("%s Bad first_stripe_index %d\n",
+ if (fl->first_stripe_index >= dsaddr->stripe_count) {
+ dprintk("%s Bad first_stripe_index %u\n",
__func__, fl->first_stripe_index);
goto out_put;
}
@@ -571,7 +551,7 @@ filelayout_decode_layout(struct pnfs_layout_hdr *flo,
/* Note that a zero value for num_fh is legal for STRIPE_SPARSE.
* Futher checking is done in filelayout_check_layout */
- if (fl->num_fh < 0 || fl->num_fh >
+ if (fl->num_fh >
max(NFS4_PNFS_MAX_STRIPE_CNT, NFS4_PNFS_MAX_MULTI_CNT))
goto out_err;