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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-03-03 15:04:15 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-03-03 15:05:56 -0500
commit8aa0a410af8011d557877e558f9ff17c082c6840 (patch)
treee347920bcaba78f6af0fecc626c1842f85aeeb83 /fs/nfs
parent54b50af089552bae368502e35dead67e81129b8d (diff)
parentabe9a6d57b4544ac208401f9c0a4262814db2be4 (diff)
downloadop-kernel-dev-8aa0a410af8011d557877e558f9ff17c082c6840.zip
op-kernel-dev-8aa0a410af8011d557877e558f9ff17c082c6840.tar.gz
Merge commit 'nfs-for-3.3-4' into nfs-for-next
Conflicts: fs/nfs/nfs4proc.c Back-merge of the upstream kernel in order to fix a conflict with the slotid type conversion and implementation id patches...
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/nfs4proc.c115
-rw-r--r--fs/nfs/nfs4state.c2
-rw-r--r--fs/nfs/nfs4xdr.c5
3 files changed, 52 insertions, 70 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 87b9b91..ea7adfc 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3621,8 +3621,8 @@ static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t bu
}
if (npages > 1) {
/* for decoding across pages */
- args.acl_scratch = alloc_page(GFP_KERNEL);
- if (!args.acl_scratch)
+ res.acl_scratch = alloc_page(GFP_KERNEL);
+ if (!res.acl_scratch)
goto out_free;
}
args.acl_len = npages * PAGE_SIZE;
@@ -3658,8 +3658,8 @@ out_free:
for (i = 0; i < npages; i++)
if (pages[i])
__free_page(pages[i]);
- if (args.acl_scratch)
- __free_page(args.acl_scratch);
+ if (res.acl_scratch)
+ __free_page(res.acl_scratch);
return ret;
}
@@ -5104,37 +5104,53 @@ int nfs4_proc_get_lease_time(struct nfs_client *clp, struct nfs_fsinfo *fsinfo)
return status;
}
+static struct nfs4_slot *nfs4_alloc_slots(u32 max_slots, gfp_t gfp_flags)
+{
+ return kcalloc(max_slots, sizeof(struct nfs4_slot), gfp_flags);
+}
+
+static void nfs4_add_and_init_slots(struct nfs4_slot_table *tbl,
+ struct nfs4_slot *new,
+ u32 max_slots,
+ u32 ivalue)
+{
+ struct nfs4_slot *old = NULL;
+ u32 i;
+
+ spin_lock(&tbl->slot_tbl_lock);
+ if (new) {
+ old = tbl->slots;
+ tbl->slots = new;
+ tbl->max_slots = max_slots;
+ }
+ tbl->highest_used_slotid = -1; /* no slot is currently used */
+ for (i = 0; i < tbl->max_slots; i++)
+ tbl->slots[i].seq_nr = ivalue;
+ spin_unlock(&tbl->slot_tbl_lock);
+ kfree(old);
+}
+
/*
- * Reset a slot table
+ * (re)Initialise a slot table
*/
-static int nfs4_reset_slot_table(struct nfs4_slot_table *tbl, u32 max_reqs,
- int ivalue)
+static int nfs4_realloc_slot_table(struct nfs4_slot_table *tbl, u32 max_reqs,
+ u32 ivalue)
{
struct nfs4_slot *new = NULL;
- int i;
- int ret = 0;
+ int ret = -ENOMEM;
dprintk("--> %s: max_reqs=%u, tbl->max_slots %d\n", __func__,
max_reqs, tbl->max_slots);
/* Does the newly negotiated max_reqs match the existing slot table? */
if (max_reqs != tbl->max_slots) {
- ret = -ENOMEM;
- new = kmalloc(max_reqs * sizeof(struct nfs4_slot),
- GFP_NOFS);
+ new = nfs4_alloc_slots(max_reqs, GFP_NOFS);
if (!new)
goto out;
- ret = 0;
- kfree(tbl->slots);
- }
- spin_lock(&tbl->slot_tbl_lock);
- if (new) {
- tbl->slots = new;
- tbl->max_slots = max_reqs;
}
- for (i = 0; i < tbl->max_slots; ++i)
- tbl->slots[i].seq_nr = ivalue;
- spin_unlock(&tbl->slot_tbl_lock);
+ ret = 0;
+
+ nfs4_add_and_init_slots(tbl, new, max_reqs, ivalue);
dprintk("%s: tbl=%p slots=%p max_slots=%d\n", __func__,
tbl, tbl->slots, tbl->max_slots);
out:
@@ -5157,36 +5173,6 @@ static void nfs4_destroy_slot_tables(struct nfs4_session *session)
}
/*
- * Initialize slot table
- */
-static int nfs4_init_slot_table(struct nfs4_slot_table *tbl,
- int max_slots, int ivalue)
-{
- struct nfs4_slot *slot;
- int ret = -ENOMEM;
-
- BUG_ON(max_slots > NFS4_MAX_SLOT_TABLE);
-
- dprintk("--> %s: max_reqs=%u\n", __func__, max_slots);
-
- slot = kcalloc(max_slots, sizeof(struct nfs4_slot), GFP_NOFS);
- if (!slot)
- goto out;
- ret = 0;
-
- spin_lock(&tbl->slot_tbl_lock);
- tbl->max_slots = max_slots;
- tbl->slots = slot;
- tbl->highest_used_slotid = NFS4_NO_SLOT; /* no slot is currently used */
- spin_unlock(&tbl->slot_tbl_lock);
- dprintk("%s: tbl=%p slots=%p max_slots=%d\n", __func__,
- tbl, tbl->slots, tbl->max_slots);
-out:
- dprintk("<-- %s: return %d\n", __func__, ret);
- return ret;
-}
-
-/*
* Initialize or reset the forechannel and backchannel tables
*/
static int nfs4_setup_session_slot_tables(struct nfs4_session *ses)
@@ -5197,25 +5183,16 @@ static int nfs4_setup_session_slot_tables(struct nfs4_session *ses)
dprintk("--> %s\n", __func__);
/* Fore channel */
tbl = &ses->fc_slot_table;
- if (tbl->slots == NULL) {
- status = nfs4_init_slot_table(tbl, ses->fc_attrs.max_reqs, 1);
- if (status) /* -ENOMEM */
- return status;
- } else {
- status = nfs4_reset_slot_table(tbl, ses->fc_attrs.max_reqs, 1);
- if (status)
- return status;
- }
+ status = nfs4_realloc_slot_table(tbl, ses->fc_attrs.max_reqs, 1);
+ if (status) /* -ENOMEM */
+ return status;
/* Back channel */
tbl = &ses->bc_slot_table;
- if (tbl->slots == NULL) {
- status = nfs4_init_slot_table(tbl, ses->bc_attrs.max_reqs, 0);
- if (status)
- /* Fore and back channel share a connection so get
- * both slot tables or neither */
- nfs4_destroy_slot_tables(ses);
- } else
- status = nfs4_reset_slot_table(tbl, ses->bc_attrs.max_reqs, 0);
+ status = nfs4_realloc_slot_table(tbl, ses->bc_attrs.max_reqs, 0);
+ if (status && tbl->slots == NULL)
+ /* Fore and back channel share a connection so get
+ * both slot tables or neither */
+ nfs4_destroy_slot_tables(ses);
return status;
}
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index bae959e..2f76060 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1106,6 +1106,8 @@ void nfs4_schedule_stateid_recovery(const struct nfs_server *server, struct nfs4
{
struct nfs_client *clp = server->nfs_client;
+ if (test_and_clear_bit(NFS_DELEGATED_STATE, &state->flags))
+ nfs_async_inode_return_delegation(state->inode, &state->stateid);
nfs4_state_mark_reclaim_nograce(clp, state);
nfs4_schedule_state_manager(clp);
}
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 7d3ba1f..bca8c77 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -2563,7 +2563,6 @@ static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr,
xdr_inline_pages(&req->rq_rcv_buf, replen << 2,
args->acl_pages, args->acl_pgbase, args->acl_len);
- xdr_set_scratch_buffer(xdr, page_address(args->acl_scratch), PAGE_SIZE);
encode_nops(&hdr);
}
@@ -6132,6 +6131,10 @@ nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
struct compound_hdr hdr;
int status;
+ if (res->acl_scratch != NULL) {
+ void *p = page_address(res->acl_scratch);
+ xdr_set_scratch_buffer(xdr, p, PAGE_SIZE);
+ }
status = decode_compound_hdr(xdr, &hdr);
if (status)
goto out;
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