diff options
Diffstat (limited to 'drivers/block/floppy.c')
-rw-r--r-- | drivers/block/floppy.c | 94 |
1 files changed, 47 insertions, 47 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 41f36632719..35ce4e3f04d 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -305,17 +305,11 @@ static int initialising = 1; #define DRS (&drive_state[current_drive]) #define DRWE (&write_errors[current_drive]) #define FDCS (&fdc_state[fdc]) -#define CLEARF(x) clear_bit(x##_BIT, &DRS->flags) -#define SETF(x) set_bit(x##_BIT, &DRS->flags) -#define TESTF(x) test_bit(x##_BIT, &DRS->flags) #define UDP (&drive_params[drive]) #define UDRS (&drive_state[drive]) #define UDRWE (&write_errors[drive]) #define UFDCS (&fdc_state[FDC(drive)]) -#define UCLEARF(x) clear_bit(x##_BIT, &UDRS->flags) -#define USETF(x) set_bit(x##_BIT, &UDRS->flags) -#define UTESTF(x) test_bit(x##_BIT, &UDRS->flags) #define DPRINT(format, args...) \ pr_info(DEVICE_NAME "%d: " format, current_drive, ##args) @@ -764,13 +758,13 @@ static int disk_change(int drive) debug_dcl(UDP->flags, "flags=%lx\n", UDRS->flags); if (UDP->flags & FD_BROKEN_DCL) - return UTESTF(FD_DISK_CHANGED); + return test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags); if ((fd_inb(FD_DIR) ^ UDP->flags) & 0x80) { - USETF(FD_VERIFY); /* verify write protection */ - if (UDRS->maxblock) { - /* mark it changed */ - USETF(FD_DISK_CHANGED); - } + set_bit(FD_VERIFY_BIT, &UDRS->flags); + /* verify write protection */ + + if (UDRS->maxblock) /* mark it changed */ + set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags); /* invalidate its geometry */ if (UDRS->keep_data >= 0) { @@ -785,7 +779,7 @@ static int disk_change(int drive) return 1; } else { UDRS->last_checked = jiffies; - UCLEARF(FD_DISK_NEWCHANGE); + clear_bit(FD_DISK_NEWCHANGE_BIT, &UDRS->flags); } return 0; } @@ -1477,11 +1471,11 @@ static int interpret_errors(void) bad = 1; if (ST1 & ST1_WP) { DPRINT("Drive is write protected\n"); - CLEARF(FD_DISK_WRITABLE); + clear_bit(FD_DISK_WRITABLE_BIT, &DRS->flags); cont->done(0); bad = 2; } else if (ST1 & ST1_ND) { - SETF(FD_NEED_TWADDLE); + set_bit(FD_NEED_TWADDLE_BIT, &DRS->flags); } else if (ST1 & ST1_OR) { if (DP->flags & FTD_MSG) DPRINT("Over/Underrun - retrying\n"); @@ -1587,7 +1581,8 @@ static void seek_interrupt(void) debug_dcl(DP->flags, "clearing NEWCHANGE flag because of effective seek\n"); debug_dcl(DP->flags, "jiffies=%lu\n", jiffies); - CLEARF(FD_DISK_NEWCHANGE); /* effective seek */ + clear_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags); + /* effective seek */ DRS->select_date = jiffies; } DRS->track = ST1; @@ -1596,23 +1591,23 @@ static void seek_interrupt(void) static void check_wp(void) { - if (TESTF(FD_VERIFY)) { - /* check write protection */ + if (test_bit(FD_VERIFY_BIT, &DRS->flags)) { + /* check write protection */ output_byte(FD_GETSTATUS); output_byte(UNIT(current_drive)); if (result() != 1) { FDCS->reset = 1; return; } - CLEARF(FD_VERIFY); - CLEARF(FD_NEED_TWADDLE); + clear_bit(FD_VERIFY_BIT, &DRS->flags); + clear_bit(FD_NEED_TWADDLE_BIT, &DRS->flags); debug_dcl(DP->flags, "checking whether disk is write protected\n"); debug_dcl(DP->flags, "wp=%x\n", ST3 & 0x40); if (!(ST3 & 0x40)) - SETF(FD_DISK_WRITABLE); + set_bit(FD_DISK_WRITABLE_BIT, &DRS->flags); else - CLEARF(FD_DISK_WRITABLE); + clear_bit(FD_DISK_WRITABLE_BIT, &DRS->flags); } } @@ -1624,13 +1619,13 @@ static void seek_floppy(void) debug_dcl(DP->flags, "calling disk change from seek\n"); - if (!TESTF(FD_DISK_NEWCHANGE) && + if (!test_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags) && disk_change(current_drive) && (raw_cmd->flags & FD_RAW_NEED_DISK)) { /* the media changed flag should be cleared after the seek. * If it isn't, this means that there is really no disk in * the drive. */ - SETF(FD_DISK_CHANGED); + set_bit(FD_DISK_CHANGED_BIT, &DRS->flags); cont->done(0); cont->redo(); return; @@ -1638,7 +1633,7 @@ static void seek_floppy(void) if (DRS->track <= NEED_1_RECAL) { recalibrate_floppy(); return; - } else if (TESTF(FD_DISK_NEWCHANGE) && + } else if (test_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags) && (raw_cmd->flags & FD_RAW_NEED_DISK) && (DRS->track <= NO_TRACK || DRS->track == raw_cmd->track)) { /* we seek to clear the media-changed condition. Does anybody @@ -1701,7 +1696,7 @@ static void recal_interrupt(void) debug_dcl(DP->flags, "clearing NEWCHANGE flag because of second recalibrate\n"); - CLEARF(FD_DISK_NEWCHANGE); + clear_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags); DRS->select_date = jiffies; /* fall through */ default: @@ -1991,7 +1986,7 @@ static void floppy_start(void) scandrives(); debug_dcl(DP->flags, "setting NEWCHANGE in floppy_start\n"); - SETF(FD_DISK_NEWCHANGE); + set_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags); floppy_ready(); } @@ -2647,7 +2642,8 @@ static int make_raw_rw_request(void) HEAD = fsector_t / _floppy->sect; if (((_floppy->stretch & (FD_SWAPSIDES | FD_SECTBASEMASK)) || - TESTF(FD_NEED_TWADDLE)) && fsector_t < _floppy->sect) + test_bit(FD_NEED_TWADDLE_BIT, &DRS->flags)) && + fsector_t < _floppy->sect) max_sector = _floppy->sect; /* 2M disks have phantom sectors on the first track */ @@ -2919,7 +2915,7 @@ static void redo_fd_request(void) return; disk_change(current_drive); if (test_bit(current_drive, &fake_change) || - TESTF(FD_DISK_CHANGED)) { + test_bit(FD_DISK_CHANGED_BIT, &DRS->flags)) { DPRINT("disk absent or changed during operation\n"); REPEAT; } @@ -2944,7 +2940,7 @@ static void redo_fd_request(void) continue; } - if (TESTF(FD_NEED_TWADDLE)) + if (test_bit(FD_NEED_TWADDLE_BIT, &DRS->flags)) twaddle(); schedule_bh(floppy_start); debugt("queue fd request"); @@ -3010,7 +3006,7 @@ static int poll_drive(int interruptible, int flag) raw_cmd->cmd_count = 0; cont = &poll_cont; debug_dcl(DP->flags, "setting NEWCHANGE in poll_drive\n"); - SETF(FD_DISK_NEWCHANGE); + set_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags); WAIT(floppy_ready); return ret; } @@ -3502,8 +3498,8 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, * non-Sparc architectures */ ret = fd_eject(UNIT(drive)); - USETF(FD_DISK_CHANGED); - USETF(FD_VERIFY); + set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags); + set_bit(FD_VERIFY_BIT, &UDRS->flags); process_fd_request(); return ret; case FDCLRPRM: @@ -3700,8 +3696,8 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) goto out2; if (!UDRS->fd_ref && (UDP->flags & FD_BROKEN_DCL)) { - USETF(FD_DISK_CHANGED); - USETF(FD_VERIFY); + set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags); + set_bit(FD_VERIFY_BIT, &UDRS->flags); } if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (mode & FMODE_EXCL))) @@ -3761,11 +3757,12 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) if (mode & (FMODE_READ|FMODE_WRITE)) { UDRS->last_checked = 0; check_disk_change(bdev); - if (UTESTF(FD_DISK_CHANGED)) + if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags)) goto out; } res = -EROFS; - if ((mode & FMODE_WRITE) && !(UTESTF(FD_DISK_WRITABLE))) + if ((mode & FMODE_WRITE) && + !test_bit(FD_DISK_WRITABLE_BIT, &UDRS->flags)) goto out; } mutex_unlock(&open_lock); @@ -3789,7 +3786,8 @@ static int check_floppy_change(struct gendisk *disk) { int drive = (long)disk->private_data; - if (UTESTF(FD_DISK_CHANGED) || UTESTF(FD_VERIFY)) + if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) || + test_bit(FD_VERIFY_BIT, &UDRS->flags)) return 1; if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) { @@ -3798,8 +3796,8 @@ static int check_floppy_change(struct gendisk *disk) process_fd_request(); } - if (UTESTF(FD_DISK_CHANGED) || - UTESTF(FD_VERIFY) || + if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) || + test_bit(FD_VERIFY_BIT, &UDRS->flags) || test_bit(drive, &fake_change) || (!ITYPE(UDRS->fd_device) && !current_type[drive])) return 1; @@ -3870,14 +3868,16 @@ static int floppy_revalidate(struct gendisk *disk) int cf; int res = 0; - if (UTESTF(FD_DISK_CHANGED) || - UTESTF(FD_VERIFY) || test_bit(drive, &fake_change) || NO_GEOM) { + if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) || + test_bit(FD_VERIFY_BIT, &UDRS->flags) || + test_bit(drive, &fake_change) || NO_GEOM) { if (usage_count == 0) { pr_info("VFS: revalidate called on non-open device.\n"); return -EFAULT; } lock_fdc(drive, 0); - cf = UTESTF(FD_DISK_CHANGED) || UTESTF(FD_VERIFY); + cf = (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) || + test_bit(FD_VERIFY_BIT, &UDRS->flags)); if (!(cf || test_bit(drive, &fake_change) || NO_GEOM)) { process_fd_request(); /*already done by another thread */ return 0; @@ -3887,7 +3887,7 @@ static int floppy_revalidate(struct gendisk *disk) if (buffer_drive == drive) buffer_track = -1; clear_bit(drive, &fake_change); - UCLEARF(FD_DISK_CHANGED); + clear_bit(FD_DISK_CHANGED_BIT, &UDRS->flags); if (cf) UDRS->generation++; if (NO_GEOM) { @@ -4277,9 +4277,9 @@ static int __init floppy_init(void) for (drive = 0; drive < N_DRIVE; drive++) { memset(UDRS, 0, sizeof(*UDRS)); memset(UDRWE, 0, sizeof(*UDRWE)); - USETF(FD_DISK_NEWCHANGE); - USETF(FD_DISK_CHANGED); - USETF(FD_VERIFY); + set_bit(FD_DISK_NEWCHANGE_BIT, &UDRS->flags); + set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags); + set_bit(FD_VERIFY_BIT, &UDRS->flags); UDRS->fd_device = -1; floppy_track_buffer = NULL; max_buffer_sectors = 0; |