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authorFred Isaman <fred.isaman@gmail.com>2016-09-19 17:47:09 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2018-05-31 15:03:11 -0400
commitdacb452db8733474c0317d499244c3c1ac769ef5 (patch)
treeaffde185d492268cfbfeaed2034502f2f275a324 /fs
parent587f03deb69bdbf2c8f5f06c5cdcebb42196faff (diff)
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pnfs: move allocations out of nfs4_proc_layoutget
They work better in the new alloc_init function. Signed-off-by: Fred Isaman <fred.isaman@gmail.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/nfs4proc.c15
-rw-r--r--fs/nfs/pnfs.c12
-rw-r--r--fs/nfs/pnfs.h4
3 files changed, 17 insertions, 14 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 556c1263999a..16b14aa99b79 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -8698,7 +8698,7 @@ out:
return status;
}
-static size_t max_response_pages(struct nfs_server *server)
+size_t max_response_pages(struct nfs_server *server)
{
u32 max_resp_sz = server->nfs_client->cl_session->fc_attrs.max_resp_sz;
return nfs_page_array_len(0, max_resp_sz);
@@ -8719,7 +8719,7 @@ static void nfs4_free_pages(struct page **pages, size_t size)
kfree(pages);
}
-static struct page **nfs4_alloc_pages(size_t size, gfp_t gfp_flags)
+struct page **nfs4_alloc_pages(size_t size, gfp_t gfp_flags)
{
struct page **pages;
int i;
@@ -8765,11 +8765,10 @@ static const struct rpc_call_ops nfs4_layoutget_call_ops = {
};
struct pnfs_layout_segment *
-nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout, gfp_t gfp_flags)
+nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout)
{
struct inode *inode = lgp->args.inode;
struct nfs_server *server = NFS_SERVER(inode);
- size_t max_pages = max_response_pages(server);
struct rpc_task *task;
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LAYOUTGET],
@@ -8796,14 +8795,6 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout, gfp_t gfp_flags)
/* nfs4_layoutget_release calls pnfs_put_layout_hdr */
pnfs_get_layout_hdr(NFS_I(inode)->layout);
- lgp->args.layout.pages = nfs4_alloc_pages(max_pages, gfp_flags);
- if (!lgp->args.layout.pages) {
- nfs4_layoutget_release(lgp);
- return ERR_PTR(-ENOMEM);
- }
- lgp->args.layout.pglen = max_pages * PAGE_SIZE;
-
- lgp->res.layoutp = &lgp->args.layout;
nfs4_init_sequence(&lgp->args.seq_args, &lgp->res.seq_res, 0, 0);
task = rpc_run_task(&task_setup_data);
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 2c955c389ecf..363420d0f3a0 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -924,6 +924,7 @@ pnfs_alloc_init_layoutget_args(struct pnfs_layout_hdr *lo,
{
struct inode *ino = lo->plh_inode;
struct nfs_server *server = NFS_SERVER(ino);
+ size_t max_pages = max_response_pages(server);
struct nfs4_layoutget *lgp;
loff_t i_size;
@@ -933,6 +934,15 @@ pnfs_alloc_init_layoutget_args(struct pnfs_layout_hdr *lo,
if (lgp == NULL)
return NULL;
+ lgp->args.layout.pages = nfs4_alloc_pages(max_pages, gfp_flags);
+ if (!lgp->args.layout.pages) {
+ kfree(lgp);
+ return NULL;
+ }
+ lgp->args.layout.pglen = max_pages * PAGE_SIZE;
+ lgp->res.layoutp = &lgp->args.layout;
+
+
i_size = i_size_read(ino);
lgp->args.minlength = PAGE_SIZE;
@@ -1835,7 +1845,7 @@ lookup_again:
goto out_put_layout_hdr;
}
- lseg = nfs4_proc_layoutget(lgp, &timeout, gfp_flags);
+ lseg = nfs4_proc_layoutget(lgp, &timeout);
trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg,
PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET);
atomic_dec(&lo->plh_outstanding);
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index f71a55f11b97..964a7227ea97 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -224,10 +224,12 @@ extern int pnfs_register_layoutdriver(struct pnfs_layoutdriver_type *);
extern void pnfs_unregister_layoutdriver(struct pnfs_layoutdriver_type *);
/* nfs4proc.c */
+extern size_t max_response_pages(struct nfs_server *server);
+extern struct page **nfs4_alloc_pages(size_t size, gfp_t gfp_flags);
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, long *timeout, gfp_t gfp_flags);
+extern struct pnfs_layout_segment* nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout);
extern int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp, bool sync);
/* pnfs.c */