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dm io: rename error to error_bits 

Rename 'error' to 'error_bits' for clarity.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
hifive-unleashed-5.1
Alasdair G Kergon 2008-04-24 21:43:14 +01:00
parent 72727bad54
commit e01fd7eeb0
1 changed files with 7 additions and 7 deletions
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14
drivers/md/dm-io.c
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@ -20,7 +20,7 @@ struct dm_io_client {
/* FIXME: can we shrink this ? */
struct io {
unsigned long error;
unsigned long error_bits;
atomic_t count;
struct task_struct *sleeper;
struct dm_io_client *client;
@ -107,14 +107,14 @@ static inline unsigned bio_get_region(struct bio *bio)
static void dec_count(struct io *io, unsigned int region, int error)
{
if (error)
set_bit(region, &io->error);
set_bit(region, &io->error_bits);
if (atomic_dec_and_test(&io->count)) {
if (io->sleeper)
wake_up_process(io->sleeper);
else {
unsigned long r = io->error;
unsigned long r = io->error_bits;
io_notify_fn fn = io->callback;
void *context = io->context;
@ -357,7 +357,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions,
return -EIO;
}
io.error = 0;
io.error_bits = 0;
atomic_set(&io.count, 1); /* see dispatch_io() */
io.sleeper = current;
io.client = client;
@ -378,9 +378,9 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions,
return -EINTR;
if (error_bits)
*error_bits = io.error;
*error_bits = io.error_bits;
return io.error ? -EIO : 0;
return io.error_bits ? -EIO : 0;
}
static int async_io(struct dm_io_client *client, unsigned int num_regions,
@ -396,7 +396,7 @@ static int async_io(struct dm_io_client *client, unsigned int num_regions,
}
io = mempool_alloc(client->pool, GFP_NOIO);
io->error = 0;
io->error_bits = 0;
atomic_set(&io->count, 1); /* see dispatch_io() */
io->sleeper = NULL;
io->client = client;