floppy: cleanup: expand macro DRWE

This macro doesn't bring much value and only slightly obfuscates the
code by silently using global variable "current_drive", let's expand it.

Link: https://lore.kernel.org/r/20200224212352.8640-9-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Willy Tarreau 2020-02-24 22:23:50 +01:00 committed by Jens Axboe
parent 3bd7f87c68
commit 2a34875279

View File

@ -306,8 +306,6 @@ static bool initialized;
/* reverse mapping from unit and fdc to drive */
#define REVDRIVE(fdc, unit) ((unit) + ((fdc) << 2))
#define DRWE (&write_errors[current_drive])
#define PH_HEAD(floppy, head) (((((floppy)->stretch & 2) >> 1) ^ head) << 2)
#define STRETCH(floppy) ((floppy)->stretch & FD_STRETCH)
@ -2069,7 +2067,7 @@ static void bad_flp_intr(void)
return;
}
err_count = ++(*errors);
INFBOUND(DRWE->badness, err_count);
INFBOUND(write_errors[current_drive].badness, err_count);
if (err_count > drive_params[current_drive].max_errors.abort)
cont->done(0);
if (err_count > drive_params[current_drive].max_errors.reset)
@ -2274,13 +2272,13 @@ static void request_done(int uptodate)
} else {
if (rq_data_dir(req) == WRITE) {
/* record write error information */
DRWE->write_errors++;
if (DRWE->write_errors == 1) {
DRWE->first_error_sector = blk_rq_pos(req);
DRWE->first_error_generation = drive_state[current_drive].generation;
write_errors[current_drive].write_errors++;
if (write_errors[current_drive].write_errors == 1) {
write_errors[current_drive].first_error_sector = blk_rq_pos(req);
write_errors[current_drive].first_error_generation = drive_state[current_drive].generation;
}
DRWE->last_error_sector = blk_rq_pos(req);
DRWE->last_error_generation = drive_state[current_drive].generation;
write_errors[current_drive].last_error_sector = blk_rq_pos(req);
write_errors[current_drive].last_error_generation = drive_state[current_drive].generation;
}
floppy_end_request(req, BLK_STS_IOERR);
}