dm io: rename error to error_bits
Rename 'error' to 'error_bits' for clarity.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index 8f25f62..c56c7eb 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -20,7 +20,7 @@
/* 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 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 @@
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 @@
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 @@
}
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;