floppy: replace NO_GEOM macro with a function
This patch replaces the NO_GEOM macro with a proper static inline function and converts an open-coded caller in check_floppy_change() to use it. Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Pekka Enberg <penberg@kernel.org> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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@ -596,6 +596,11 @@ static unsigned char fsector_t; /* sector in track */
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static unsigned char in_sector_offset; /* offset within physical sector,
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* expressed in units of 512 bytes */
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static inline bool drive_no_geom(int drive)
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{
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return !current_type[drive] && !ITYPE(UDRS->fd_device);
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}
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#ifndef fd_eject
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static inline int fd_eject(int drive)
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{
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@ -3757,7 +3762,7 @@ static int check_floppy_change(struct gendisk *disk)
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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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drive_no_geom(drive))
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return 1;
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return 0;
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}
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@ -3823,13 +3828,13 @@ static int __floppy_read_block_0(struct block_device *bdev)
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static int floppy_revalidate(struct gendisk *disk)
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{
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int drive = (long)disk->private_data;
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#define NO_GEOM (!current_type[drive] && !ITYPE(UDRS->fd_device))
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int cf;
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int res = 0;
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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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test_bit(drive, &fake_change) ||
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drive_no_geom(drive)) {
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if (WARN(atomic_read(&usage_count) == 0,
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"VFS: revalidate called on non-open device.\n"))
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return -EFAULT;
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@ -3837,7 +3842,7 @@ static int floppy_revalidate(struct gendisk *disk)
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lock_fdc(drive, false);
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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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if (!(cf || test_bit(drive, &fake_change) || drive_no_geom(drive))) {
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process_fd_request(); /*already done by another thread */
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return 0;
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}
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@ -3849,7 +3854,7 @@ static int floppy_revalidate(struct gendisk *disk)
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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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if (drive_no_geom(drive)) {
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/* auto-sensing */
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res = __floppy_read_block_0(opened_bdev[drive]);
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} else {
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