From: Peng Tao <tao.peng@xxxxxxxxxxxxxxx>
Signed-off-by: Peng Tao <tao.peng@xxxxxxxxxxxxxxx>
Signed-off-by: Tom Haynes <loghyr@xxxxxxxxxxxxxxx>
---
fs/nfs/nfs4proc.c | 11 +++++++++--
fs/nfs/pnfs.c | 12 +++++++-----
fs/nfs/pnfs.h | 2 +-
3 files changed, 17 insertions(+), 8 deletions(-)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index bf5ef58..53df457 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -7800,7 +7800,7 @@ static const struct rpc_call_ops nfs4_layoutreturn_call_ops = {
.rpc_release = nfs4_layoutreturn_release,
};
-int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp)
+int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp, bool sync)
{
struct rpc_task *task;
struct rpc_message msg = {
@@ -7814,16 +7814,23 @@ int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp)
.rpc_message = &msg,
.callback_ops = &nfs4_layoutreturn_call_ops,
.callback_data = lrp,
+ .flags = RPC_TASK_ASYNC,
};
- int status;
+ int status = 0;
dprintk("--> %s\n", __func__);
nfs4_init_sequence(&lrp->args.seq_args, &lrp->res.seq_res, 1);
task = rpc_run_task(&task_setup_data);
if (IS_ERR(task))
return PTR_ERR(task);
+ if (sync == false)
+ goto out;
+ status = nfs4_wait_for_completion_rpc_task(task);
+ if (status != 0)
+ goto out;
status = task->tk_status;
trace_nfs4_layoutreturn(lrp->args.inode, status);
+out:
dprintk("<-- %s status=%d\n", __func__, status);
rpc_put_task(task);
return status;
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index a368c74..6f36318 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -52,7 +52,8 @@ static LIST_HEAD(pnfs_modules_tbl);
static int
pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, nfs4_stateid stateid,
- enum pnfs_iomode iomode, u64 offset, u64 length);
+ enum pnfs_iomode iomode, u64 offset, u64 length,
+ bool sync);
/* Return the registered pnfs layout driver module matching given id */
static struct pnfs_layoutdriver_type *
@@ -392,7 +393,7 @@ pnfs_put_lseg(struct pnfs_layout_segment *lseg)
spin_unlock(&inode->i_lock);
/* hdr reference dropped in nfs4_layoutreturn_release */
pnfs_send_layoutreturn(lo, stateid, iomode, 0,
- NFS4_MAX_UINT64);
+ NFS4_MAX_UINT64, true);
spin_lock(&inode->i_lock);
pnfs_layout_remove_lseg(lo, lseg);
spin_unlock(&inode->i_lock);
@@ -905,7 +906,8 @@ static void pnfs_clear_layoutcommit(struct inode *inode,
static int
pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, nfs4_stateid stateid,
- enum pnfs_iomode iomode, u64 offset, u64 length)
+ enum pnfs_iomode iomode, u64 offset, u64 length,
+ bool sync)
{
struct inode *ino = lo->plh_inode;
struct nfs4_layoutreturn *lrp;
@@ -931,7 +933,7 @@ pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, nfs4_stateid stateid,
lrp->clp = NFS_SERVER(ino)->nfs_client;
lrp->cred = lo->plh_lc_cred;
- status = nfs4_proc_layoutreturn(lrp);
+ status = nfs4_proc_layoutreturn(lrp, sync);
out:
if (status) {
spin_lock(&ino->i_lock);
@@ -998,7 +1000,7 @@ _pnfs_return_layout(struct inode *ino)
pnfs_free_lseg_list(&tmp_list);
status = pnfs_send_layoutreturn(lo, stateid, IOMODE_ANY, 0,
- NFS4_MAX_UINT64);
+ NFS4_MAX_UINT64, true);
out:
dprintk("<-- %s status: %d\n", __func__, status);
return status;
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 26e7cd8..7a33c50 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -219,7 +219,7 @@ extern int nfs4_proc_getdeviceinfo(struct nfs_server *server,
struct pnfs_device *dev,
struct rpc_cred *cred);
extern struct pnfs_layout_segment* nfs4_proc_layoutget(struct nfs4_layoutget *lgp, gfp_t gfp_flags);
-extern int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp);
+extern int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp, bool sync);
/* pnfs.c */
void pnfs_get_layout_hdr(struct pnfs_layout_hdr *lo);
--
1.9.3
--
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