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author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-02-17 01:40:24 (GMT) |
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committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-02-17 01:40:24 (GMT) |
commit | c94964a4555eb58be3f45edf2b63a2b3f549ef29 (patch) | |
tree | a8a0bf41a6c2b675e8f376e870f26724e5870327 /drivers/ide/ide-floppy.c | |
parent | 7b77d864af29c193f6cee8338dbda40accb9b27b (diff) | |
download | linux-fsl-qoriq-c94964a4555eb58be3f45edf2b63a2b3f549ef29.tar.xz |
ide: remove ide_drive_t.usage
This field is no longer used by the core IDE code so fix ide-{disk,floppy}
drivers to keep openers count in the driver specific objects and remove
it from ide-{cd,scsi,tape} drivers (it was write-only).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-floppy.c')
-rw-r--r-- | drivers/ide/ide-floppy.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 07fa37d..6196941 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -279,6 +279,7 @@ typedef struct ide_floppy_obj { ide_driver_t *driver; struct gendisk *disk; struct kref kref; + unsigned int openers; /* protected by BKL for now */ /* Current packet command */ idefloppy_pc_t *pc; @@ -1950,9 +1951,9 @@ static int idefloppy_open(struct inode *inode, struct file *filp) drive = floppy->drive; - drive->usage++; + floppy->openers++; - if (drive->usage == 1) { + if (floppy->openers == 1) { clear_bit(IDEFLOPPY_FORMAT_IN_PROGRESS, &floppy->flags); /* Just in case */ @@ -1970,13 +1971,11 @@ static int idefloppy_open(struct inode *inode, struct file *filp) ** capacity of the drive or begin the format - Sam */ ) { - drive->usage--; ret = -EIO; goto out_put_floppy; } if (floppy->wp && (filp->f_mode & 2)) { - drive->usage--; ret = -EROFS; goto out_put_floppy; } @@ -1988,13 +1987,13 @@ static int idefloppy_open(struct inode *inode, struct file *filp) } check_disk_change(inode->i_bdev); } else if (test_bit(IDEFLOPPY_FORMAT_IN_PROGRESS, &floppy->flags)) { - drive->usage--; ret = -EBUSY; goto out_put_floppy; } return 0; out_put_floppy: + floppy->openers--; ide_floppy_put(floppy); return ret; } @@ -2008,7 +2007,7 @@ static int idefloppy_release(struct inode *inode, struct file *filp) debug_log(KERN_INFO "Reached idefloppy_release\n"); - if (drive->usage == 1) { + if (floppy->openers == 1) { /* IOMEGA Clik! drives do not support lock/unlock commands */ if (!test_bit(IDEFLOPPY_CLIK_DRIVE, &floppy->flags)) { idefloppy_create_prevent_cmd(&pc, 0); @@ -2017,7 +2016,8 @@ static int idefloppy_release(struct inode *inode, struct file *filp) clear_bit(IDEFLOPPY_FORMAT_IN_PROGRESS, &floppy->flags); } - drive->usage--; + + floppy->openers--; ide_floppy_put(floppy); @@ -2051,7 +2051,7 @@ static int idefloppy_ioctl(struct inode *inode, struct file *file, prevent = 0; /* fall through */ case CDROM_LOCKDOOR: - if (drive->usage > 1) + if (floppy->openers > 1) return -EBUSY; /* The IOMEGA Clik! Drive doesn't support this command - no room for an eject mechanism */ @@ -2073,7 +2073,7 @@ static int idefloppy_ioctl(struct inode *inode, struct file *file, if (!(file->f_mode & 2)) return -EPERM; - if (drive->usage > 1) { + if (floppy->openers > 1) { /* Don't format if someone is using the disk */ clear_bit(IDEFLOPPY_FORMAT_IN_PROGRESS, |