* Use is subject to license terms.
*/
/*
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2013, Intel Corporation.
* Use is subject to license terms.
*/
/*
* Author: Mike Pershin <tappro@whamcloud.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_OSD
#include <lustre_ver.h>
#include <libcfs/libcfs.h>
-#include <lustre_fsfilt.h>
#include <obd_support.h>
#include <lustre_net.h>
#include <obd.h>
return 0;
}
-static struct page *kmem_to_page(void *addr)
+static inline struct page *kmem_to_page(void *addr)
{
- struct page *page;
-
- if (kmem_virt(addr))
- page = vmalloc_to_page(addr);
+ if (is_vmalloc_addr(addr))
+ return vmalloc_to_page(addr);
else
- page = virt_to_page(addr);
-
- return page;
+ return virt_to_page(addr);
}
static int osd_bufs_get_read(const struct lu_env *env, struct osd_object *obj,
*/
while (len > 0) {
rc = -dmu_buf_hold_array_by_bonus(obj->oo_db, off, len, TRUE,
- osd_zerocopy_tag, &numbufs,
- &dbp);
- LASSERT(rc == 0);
+ osd_zerocopy_tag, &numbufs,
+ &dbp);
+ if (unlikely(rc))
+ GOTO(err, rc);
for (i = 0; i < numbufs; i++) {
int bufoff, tocpy, thispage;
dbf = (void *) ((unsigned long)dbp[i] | 1);
while (tocpy > 0) {
- thispage = CFS_PAGE_SIZE;
- thispage -= bufoff & (CFS_PAGE_SIZE - 1);
+ thispage = PAGE_CACHE_SIZE;
+ thispage -= bufoff & (PAGE_CACHE_SIZE - 1);
thispage = min(tocpy, thispage);
lnb->rc = 0;
}
RETURN(npages);
+
+err:
+ LASSERT(rc < 0);
+ osd_bufs_put(env, &obj->oo_dt, lnb - npages, npages);
+ RETURN(rc);
}
static int osd_bufs_get_write(const struct lu_env *env, struct osd_object *obj,
/* go over pages arcbuf contains, put them as
* local niobufs for ptlrpc's bulks */
while (sz_in_block > 0) {
- plen = min_t(int, sz_in_block, CFS_PAGE_SIZE);
+ plen = min_t(int, sz_in_block, PAGE_CACHE_SIZE);
lnb[i].lnb_file_offset = off;
lnb[i].lnb_page_offset = 0;
/* can't use zerocopy, allocate temp. buffers */
while (sz_in_block > 0) {
- plen = min_t(int, sz_in_block, CFS_PAGE_SIZE);
+ plen = min_t(int, sz_in_block, PAGE_CACHE_SIZE);
lnb[i].lnb_file_offset = off;
lnb[i].lnb_page_offset = 0;
.dbo_declare_write_commit = osd_declare_write_commit,
.dbo_write_commit = osd_write_commit,
.dbo_read_prep = osd_read_prep,
- .do_declare_punch = osd_declare_punch,
- .do_punch = osd_punch,
+ .dbo_declare_punch = osd_declare_punch,
+ .dbo_punch = osd_punch,
};