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author | Fred Isaman <fred.isaman@gmail.com> | 2016-09-19 17:47:09 -0400 |
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committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-05-31 15:03:11 -0400 |
commit | dacb452db8733474c0317d499244c3c1ac769ef5 (patch) | |
tree | affde185d492268cfbfeaed2034502f2f275a324 /fs | |
parent | 587f03deb69bdbf2c8f5f06c5cdcebb42196faff (diff) | |
download | linux-stable-dacb452db8733474c0317d499244c3c1ac769ef5.tar.gz linux-stable-dacb452db8733474c0317d499244c3c1ac769ef5.tar.bz2 linux-stable-dacb452db8733474c0317d499244c3c1ac769ef5.zip |
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.c | 15 | ||||
-rw-r--r-- | fs/nfs/pnfs.c | 12 | ||||
-rw-r--r-- | fs/nfs/pnfs.h | 4 |
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 */ |