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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-02-17 02:40:24 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-02-17 02:40:24 +0100
commitc94964a4555eb58be3f45edf2b63a2b3f549ef29 (patch)
treea8a0bf41a6c2b675e8f376e870f26724e5870327 /drivers/ide/ide-floppy.c
parent7b77d864af29c193f6cee8338dbda40accb9b27b (diff)
downloadop-kernel-dev-c94964a4555eb58be3f45edf2b63a2b3f549ef29.zip
op-kernel-dev-c94964a4555eb58be3f45edf2b63a2b3f549ef29.tar.gz
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.c18
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,
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