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target: use offset_in_page macro

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Use offset_in_page macro instead of (addr & ~PAGE_MASK).

Signed-off-by: Geliang Tang <geliangtang@163.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Geliang Tang 2015-11-25 21:49:27 +08:00 committed by Nicholas Bellinger
parent 234bdbc49d
commit b75d8063c0
2 changed files with 5 additions and 5 deletions
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2
drivers/target/target_core_user.c
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@ -194,7 +194,7 @@ static struct tcmu_cmd *tcmu_alloc_cmd(struct se_cmd *se_cmd)
static inline void tcmu_flush_dcache_range(void *vaddr, size_t size)
{
unsigned long offset = (unsigned long) vaddr & ~PAGE_MASK;
unsigned long offset = offset_in_page(vaddr);
size = round_up(size+offset, PAGE_SIZE);
vaddr -= offset;

8
drivers/target/tcm_fc/tfc_io.c
View File

@ -154,9 +154,9 @@ int ft_queue_data_in(struct se_cmd *se_cmd)
BUG_ON(!page);
from = kmap_atomic(page + (mem_off >> PAGE_SHIFT));
page_addr = from;
from += mem_off & ~PAGE_MASK;
from += offset_in_page(mem_off);
tlen = min(tlen, (size_t)(PAGE_SIZE -
(mem_off & ~PAGE_MASK)));
offset_in_page(mem_off)));
memcpy(to, from, tlen);
kunmap_atomic(page_addr);
to += tlen;
@ -314,9 +314,9 @@ void ft_recv_write_data(struct ft_cmd *cmd, struct fc_frame *fp)
to = kmap_atomic(page + (mem_off >> PAGE_SHIFT));
page_addr = to;
to += mem_off & ~PAGE_MASK;
to += offset_in_page(mem_off);
tlen = min(tlen, (size_t)(PAGE_SIZE -
(mem_off & ~PAGE_MASK)));
offset_in_page(mem_off)));
memcpy(to, from, tlen);
kunmap_atomic(page_addr);