mirror of https://gitee.com/openkylin/linux.git
drivers/block/floppy.c: remove [U]CLEARF, [U]SETF, and [U]TESTF macros
Use clear_bit, set_bit, and test_bit functions directly Signed-off-by: Joe Perches <joe@perches.com> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches
Linus Torvalds
parent
87f530d8f1
commit
e029853612
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@ -305,17 +305,11 @@ static int initialising = 1;
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#define DRS (&drive_state[current_drive])
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#define DRWE (&write_errors[current_drive])
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#define FDCS (&fdc_state[fdc])
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#define CLEARF(x) clear_bit(x##_BIT, &DRS->flags)
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#define SETF(x) set_bit(x##_BIT, &DRS->flags)
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#define TESTF(x) test_bit(x##_BIT, &DRS->flags)
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#define UDP (&drive_params[drive])
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#define UDRS (&drive_state[drive])
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#define UDRWE (&write_errors[drive])
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#define UFDCS (&fdc_state[FDC(drive)])
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#define UCLEARF(x) clear_bit(x##_BIT, &UDRS->flags)
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#define USETF(x) set_bit(x##_BIT, &UDRS->flags)
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#define UTESTF(x) test_bit(x##_BIT, &UDRS->flags)
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#define DPRINT(format, args...) \
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pr_info(DEVICE_NAME "%d: " format, current_drive, ##args)
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@ -764,13 +758,13 @@ static int disk_change(int drive)
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debug_dcl(UDP->flags, "flags=%lx\n", UDRS->flags);
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if (UDP->flags & FD_BROKEN_DCL)
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return UTESTF(FD_DISK_CHANGED);
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return test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
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if ((fd_inb(FD_DIR) ^ UDP->flags) & 0x80) {
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USETF(FD_VERIFY); /* verify write protection */
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if (UDRS->maxblock) {
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/* mark it changed */
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USETF(FD_DISK_CHANGED);
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}
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set_bit(FD_VERIFY_BIT, &UDRS->flags);
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/* verify write protection */
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if (UDRS->maxblock) /* mark it changed */
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set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
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/* invalidate its geometry */
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if (UDRS->keep_data >= 0) {
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@ -785,7 +779,7 @@ static int disk_change(int drive)
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return 1;
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} else {
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UDRS->last_checked = jiffies;
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UCLEARF(FD_DISK_NEWCHANGE);
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clear_bit(FD_DISK_NEWCHANGE_BIT, &UDRS->flags);
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}
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return 0;
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}
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@ -1477,11 +1471,11 @@ static int interpret_errors(void)
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bad = 1;
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if (ST1 & ST1_WP) {
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DPRINT("Drive is write protected\n");
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CLEARF(FD_DISK_WRITABLE);
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clear_bit(FD_DISK_WRITABLE_BIT, &DRS->flags);
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cont->done(0);
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bad = 2;
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} else if (ST1 & ST1_ND) {
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SETF(FD_NEED_TWADDLE);
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set_bit(FD_NEED_TWADDLE_BIT, &DRS->flags);
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} else if (ST1 & ST1_OR) {
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if (DP->flags & FTD_MSG)
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DPRINT("Over/Underrun - retrying\n");
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@ -1587,7 +1581,8 @@ static void seek_interrupt(void)
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debug_dcl(DP->flags,
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"clearing NEWCHANGE flag because of effective seek\n");
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debug_dcl(DP->flags, "jiffies=%lu\n", jiffies);
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CLEARF(FD_DISK_NEWCHANGE); /* effective seek */
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clear_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags);
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/* effective seek */
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DRS->select_date = jiffies;
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}
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DRS->track = ST1;
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@ -1596,23 +1591,23 @@ static void seek_interrupt(void)
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static void check_wp(void)
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{
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if (TESTF(FD_VERIFY)) {
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/* check write protection */
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if (test_bit(FD_VERIFY_BIT, &DRS->flags)) {
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/* check write protection */
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output_byte(FD_GETSTATUS);
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output_byte(UNIT(current_drive));
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if (result() != 1) {
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FDCS->reset = 1;
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return;
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}
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CLEARF(FD_VERIFY);
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CLEARF(FD_NEED_TWADDLE);
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clear_bit(FD_VERIFY_BIT, &DRS->flags);
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clear_bit(FD_NEED_TWADDLE_BIT, &DRS->flags);
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debug_dcl(DP->flags,
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"checking whether disk is write protected\n");
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debug_dcl(DP->flags, "wp=%x\n", ST3 & 0x40);
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if (!(ST3 & 0x40))
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SETF(FD_DISK_WRITABLE);
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set_bit(FD_DISK_WRITABLE_BIT, &DRS->flags);
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else
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CLEARF(FD_DISK_WRITABLE);
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clear_bit(FD_DISK_WRITABLE_BIT, &DRS->flags);
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}
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}
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@ -1624,13 +1619,13 @@ static void seek_floppy(void)
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debug_dcl(DP->flags, "calling disk change from seek\n");
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if (!TESTF(FD_DISK_NEWCHANGE) &&
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if (!test_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags) &&
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disk_change(current_drive) && (raw_cmd->flags & FD_RAW_NEED_DISK)) {
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/* the media changed flag should be cleared after the seek.
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* If it isn't, this means that there is really no disk in
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* the drive.
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*/
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SETF(FD_DISK_CHANGED);
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set_bit(FD_DISK_CHANGED_BIT, &DRS->flags);
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cont->done(0);
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cont->redo();
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return;
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@ -1638,7 +1633,7 @@ static void seek_floppy(void)
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if (DRS->track <= NEED_1_RECAL) {
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recalibrate_floppy();
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return;
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} else if (TESTF(FD_DISK_NEWCHANGE) &&
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} else if (test_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags) &&
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(raw_cmd->flags & FD_RAW_NEED_DISK) &&
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(DRS->track <= NO_TRACK || DRS->track == raw_cmd->track)) {
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/* we seek to clear the media-changed condition. Does anybody
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@ -1701,7 +1696,7 @@ static void recal_interrupt(void)
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debug_dcl(DP->flags,
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"clearing NEWCHANGE flag because of second recalibrate\n");
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CLEARF(FD_DISK_NEWCHANGE);
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clear_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags);
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DRS->select_date = jiffies;
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/* fall through */
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default:
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@ -1991,7 +1986,7 @@ static void floppy_start(void)
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scandrives();
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debug_dcl(DP->flags, "setting NEWCHANGE in floppy_start\n");
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SETF(FD_DISK_NEWCHANGE);
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set_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags);
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floppy_ready();
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}
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@ -2647,7 +2642,8 @@ static int make_raw_rw_request(void)
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HEAD = fsector_t / _floppy->sect;
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if (((_floppy->stretch & (FD_SWAPSIDES | FD_SECTBASEMASK)) ||
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TESTF(FD_NEED_TWADDLE)) && fsector_t < _floppy->sect)
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test_bit(FD_NEED_TWADDLE_BIT, &DRS->flags)) &&
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fsector_t < _floppy->sect)
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max_sector = _floppy->sect;
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/* 2M disks have phantom sectors on the first track */
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@ -2919,7 +2915,7 @@ static void redo_fd_request(void)
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return;
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disk_change(current_drive);
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if (test_bit(current_drive, &fake_change) ||
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TESTF(FD_DISK_CHANGED)) {
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test_bit(FD_DISK_CHANGED_BIT, &DRS->flags)) {
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DPRINT("disk absent or changed during operation\n");
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REPEAT;
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}
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@ -2944,7 +2940,7 @@ static void redo_fd_request(void)
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continue;
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}
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if (TESTF(FD_NEED_TWADDLE))
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if (test_bit(FD_NEED_TWADDLE_BIT, &DRS->flags))
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twaddle();
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schedule_bh(floppy_start);
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debugt("queue fd request");
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@ -3010,7 +3006,7 @@ static int poll_drive(int interruptible, int flag)
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raw_cmd->cmd_count = 0;
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cont = &poll_cont;
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debug_dcl(DP->flags, "setting NEWCHANGE in poll_drive\n");
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SETF(FD_DISK_NEWCHANGE);
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set_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags);
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WAIT(floppy_ready);
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return ret;
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}
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@ -3502,8 +3498,8 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
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* non-Sparc architectures */
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ret = fd_eject(UNIT(drive));
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USETF(FD_DISK_CHANGED);
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USETF(FD_VERIFY);
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set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
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set_bit(FD_VERIFY_BIT, &UDRS->flags);
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process_fd_request();
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return ret;
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case FDCLRPRM:
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@ -3700,8 +3696,8 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
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goto out2;
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if (!UDRS->fd_ref && (UDP->flags & FD_BROKEN_DCL)) {
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USETF(FD_DISK_CHANGED);
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USETF(FD_VERIFY);
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set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
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set_bit(FD_VERIFY_BIT, &UDRS->flags);
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}
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if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (mode & FMODE_EXCL)))
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@ -3761,11 +3757,12 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
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if (mode & (FMODE_READ|FMODE_WRITE)) {
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UDRS->last_checked = 0;
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check_disk_change(bdev);
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if (UTESTF(FD_DISK_CHANGED))
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if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags))
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goto out;
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}
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res = -EROFS;
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if ((mode & FMODE_WRITE) && !(UTESTF(FD_DISK_WRITABLE)))
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if ((mode & FMODE_WRITE) &&
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!test_bit(FD_DISK_WRITABLE_BIT, &UDRS->flags))
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goto out;
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}
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mutex_unlock(&open_lock);
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@ -3789,7 +3786,8 @@ static int check_floppy_change(struct gendisk *disk)
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{
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int drive = (long)disk->private_data;
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if (UTESTF(FD_DISK_CHANGED) || UTESTF(FD_VERIFY))
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if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
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test_bit(FD_VERIFY_BIT, &UDRS->flags))
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return 1;
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if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) {
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@ -3798,8 +3796,8 @@ static int check_floppy_change(struct gendisk *disk)
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process_fd_request();
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}
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if (UTESTF(FD_DISK_CHANGED) ||
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UTESTF(FD_VERIFY) ||
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if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
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test_bit(FD_VERIFY_BIT, &UDRS->flags) ||
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test_bit(drive, &fake_change) ||
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(!ITYPE(UDRS->fd_device) && !current_type[drive]))
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return 1;
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@ -3870,14 +3868,16 @@ static int floppy_revalidate(struct gendisk *disk)
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int cf;
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int res = 0;
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if (UTESTF(FD_DISK_CHANGED) ||
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UTESTF(FD_VERIFY) || test_bit(drive, &fake_change) || NO_GEOM) {
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if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
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test_bit(FD_VERIFY_BIT, &UDRS->flags) ||
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test_bit(drive, &fake_change) || NO_GEOM) {
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if (usage_count == 0) {
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pr_info("VFS: revalidate called on non-open device.\n");
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return -EFAULT;
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}
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lock_fdc(drive, 0);
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cf = UTESTF(FD_DISK_CHANGED) || UTESTF(FD_VERIFY);
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cf = (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
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test_bit(FD_VERIFY_BIT, &UDRS->flags));
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if (!(cf || test_bit(drive, &fake_change) || NO_GEOM)) {
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process_fd_request(); /*already done by another thread */
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return 0;
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@ -3887,7 +3887,7 @@ static int floppy_revalidate(struct gendisk *disk)
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if (buffer_drive == drive)
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buffer_track = -1;
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clear_bit(drive, &fake_change);
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UCLEARF(FD_DISK_CHANGED);
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clear_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
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if (cf)
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UDRS->generation++;
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if (NO_GEOM) {
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@ -4277,9 +4277,9 @@ static int __init floppy_init(void)
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for (drive = 0; drive < N_DRIVE; drive++) {
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memset(UDRS, 0, sizeof(*UDRS));
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memset(UDRWE, 0, sizeof(*UDRWE));
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USETF(FD_DISK_NEWCHANGE);
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USETF(FD_DISK_CHANGED);
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USETF(FD_VERIFY);
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set_bit(FD_DISK_NEWCHANGE_BIT, &UDRS->flags);
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set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
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set_bit(FD_VERIFY_BIT, &UDRS->flags);
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UDRS->fd_device = -1;
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floppy_track_buffer = NULL;
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max_buffer_sectors = 0;
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