openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

NFS: move nfs_pgarray_set() to open code 

Since commit 00bfa30abe ("NFS: Create a common pgio_alloc and
pgio_release function"), nfs_pgarray_set() has only a single caller.  Let's
open code it.

Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Benjamin Coddington 2017-04-19 10:11:34 -04:00 committed by Trond Myklebust
parent ae97aa524e
commit 8ef9b0b9e1
1 changed files with 14 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
fs/nfs/pagelist.c
View File

@ -29,20 +29,6 @@
static struct kmem_cache *nfs_page_cachep; static struct kmem_cache *nfs_page_cachep;
static const struct rpc_call_ops nfs_pgio_common_ops; static const struct rpc_call_ops nfs_pgio_common_ops;
static bool nfs_pgarray_set(struct nfs_page_array *p, unsigned int pagecount,
gfp_t gfp_flags)
{
p->npages = pagecount;
if (pagecount <= ARRAY_SIZE(p->page_array))
p->pagevec = p->page_array;
else {
p->pagevec = kcalloc(pagecount, sizeof(struct page *), gfp_flags);
if (!p->pagevec)
p->npages = 0;
}
return p->pagevec != NULL;
}
struct nfs_pgio_mirror * struct nfs_pgio_mirror *
nfs_pgio_current_mirror(struct nfs_pageio_descriptor *desc) nfs_pgio_current_mirror(struct nfs_pageio_descriptor *desc)
{ {
@ -758,16 +744,24 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc,
*last_page; *last_page;
struct list_head *head = &mirror->pg_list; struct list_head *head = &mirror->pg_list;
struct nfs_commit_info cinfo; struct nfs_commit_info cinfo;
struct nfs_page_array *pg_array = &hdr->page_array;
unsigned int pagecount, pageused; unsigned int pagecount, pageused;
gfp_t gfp_flags = GFP_KERNEL; gfp_t gfp_flags = GFP_KERNEL;
pagecount = nfs_page_array_len(mirror->pg_base, mirror->pg_count); pagecount = nfs_page_array_len(mirror->pg_base, mirror->pg_count);
if (desc->pg_rw_ops->rw_mode == FMODE_WRITE)
gfp_flags = GFP_NOIO; if (pagecount <= ARRAY_SIZE(pg_array->page_array))
if (!nfs_pgarray_set(&hdr->page_array, pagecount, gfp_flags)) { pg_array->pagevec = pg_array->page_array;
nfs_pgio_error(hdr); else {
desc->pg_error = -ENOMEM; if (desc->pg_rw_ops->rw_mode == FMODE_WRITE)
return desc->pg_error; gfp_flags = GFP_NOIO;
pg_array->pagevec = kcalloc(pagecount, sizeof(struct page *), gfp_flags);
if (!pg_array->pagevec) {
pg_array->npages = 0;
nfs_pgio_error(hdr);
desc->pg_error = -ENOMEM;
return desc->pg_error;
}
} }
nfs_init_cinfo(&cinfo, desc->pg_inode, desc->pg_dreq); nfs_init_cinfo(&cinfo, desc->pg_inode, desc->pg_dreq);