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vhost: better variable name in logging

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We really store a page offset in write_address,
so rename it write_page to avoid confusion.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2010-11-29 10:22:10 +02:00
parent 3bf9be40ff
commit 28831ee60b
1 changed files with 4 additions and 4 deletions
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8
drivers/vhost/vhost.c
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@ -882,15 +882,15 @@ static int set_bit_to_user(int nr, void __user *addr)
static int log_write(void __user *log_base, static int log_write(void __user *log_base,
u64 write_address, u64 write_length) u64 write_address, u64 write_length)
{ {
u64 write_page = write_address / VHOST_PAGE_SIZE;
int r; int r;
if (!write_length) if (!write_length)
return 0; return 0;
write_length += write_address % VHOST_PAGE_SIZE; write_length += write_address % VHOST_PAGE_SIZE;
write_address /= VHOST_PAGE_SIZE;
for (;;) { for (;;) {
u64 base = (u64)(unsigned long)log_base; u64 base = (u64)(unsigned long)log_base;
u64 log = base + write_address / 8; u64 log = base + write_page / 8;
int bit = write_address % 8; int bit = write_page % 8;
if ((u64)(unsigned long)log != log) if ((u64)(unsigned long)log != log)
return -EFAULT; return -EFAULT;
r = set_bit_to_user(bit, (void __user *)(unsigned long)log); r = set_bit_to_user(bit, (void __user *)(unsigned long)log);
@ -899,7 +899,7 @@ static int log_write(void __user *log_base,
if (write_length <= VHOST_PAGE_SIZE) if (write_length <= VHOST_PAGE_SIZE)
break; break;
write_length -= VHOST_PAGE_SIZE; write_length -= VHOST_PAGE_SIZE;
write_address += 1; write_page += 1;
} }
return r; return r;
} }