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author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-13 21:39:44 +0200 |
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committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-13 21:39:44 +0200 |
commit | 5bb1536a07cca0b66f2bb41dfdf84140939b8f1f (patch) | |
tree | aebf71b8c9c782cfbb0044baea7d39b6090239d6 /drivers/ide/ide-floppy_ioctl.c | |
parent | 14d83b12c931b03dbe6b3dc79122db02521c890b (diff) | |
download | linux-rt-5bb1536a07cca0b66f2bb41dfdf84140939b8f1f.tar.gz |
ide-floppy: move all ioctl handling to ide-floppy_ioctl.c (take 2)
While at it:
- idefloppy_ioctl() -> ide_floppy_ioctl()
v2:
Fix for idefloppy_ioctl name change from Stephen Rothwell.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-floppy_ioctl.c')
-rw-r--r-- | drivers/ide/ide-floppy_ioctl.c | 54 |
1 files changed, 52 insertions, 2 deletions
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c index 9723ed9c61b4..a3a7a0809e2b 100644 --- a/drivers/ide/ide-floppy_ioctl.c +++ b/drivers/ide/ide-floppy_ioctl.c @@ -223,8 +223,26 @@ static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg) return 0; } -int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file, - unsigned int cmd, void __user *argp) +static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc, + unsigned long arg, unsigned int cmd) +{ + idefloppy_floppy_t *floppy = drive->driver_data; + struct gendisk *disk = floppy->disk; + int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0; + + if (floppy->openers > 1) + return -EBUSY; + + ide_set_media_lock(drive, disk, prevent); + + if (cmd == CDROMEJECT) + ide_do_start_stop(drive, disk, 2); + + return 0; +} + +static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file, + unsigned int cmd, void __user *argp) { switch (cmd) { case IDEFLOPPY_IOCTL_FORMAT_SUPPORTED: @@ -241,3 +259,35 @@ int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file, return -ENOTTY; } } + +int ide_floppy_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + struct block_device *bdev = inode->i_bdev; + struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk, + ide_floppy_obj); + ide_drive_t *drive = floppy->drive; + struct ide_atapi_pc pc; + void __user *argp = (void __user *)arg; + int err; + + if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR) + return ide_floppy_lockdoor(drive, &pc, arg, cmd); + + err = ide_floppy_format_ioctl(drive, file, cmd, argp); + if (err != -ENOTTY) + return err; + + /* + * skip SCSI_IOCTL_SEND_COMMAND (deprecated) + * and CDROM_SEND_PACKET (legacy) ioctls + */ + if (cmd != CDROM_SEND_PACKET && cmd != SCSI_IOCTL_SEND_COMMAND) + err = scsi_cmd_ioctl(file, bdev->bd_disk->queue, + bdev->bd_disk, cmd, argp); + + if (err == -ENOTTY) + err = generic_ide_ioctl(drive, file, bdev, cmd, arg); + + return err; +} |