This is a preparation for cdrom_read_intr() and cdrom_write_intr() merge.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
+26 bytes
drivers/ide/ide-cd.c | 38 ++++++++++++++++++++++++++------------
1 file changed, 26 insertions(+), 12 deletions(-)
Index: b/drivers/ide/ide-cd.c
===================================================================
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -714,6 +714,31 @@ int cdrom_read_check_ireason (ide_drive_
}
/*
+ * Assume that the drive will always provide data in multiples of at least
+ * SECTOR_SIZE, as it gets hairy to keep track of the transfers otherwise.
+ */
+static int ide_cd_check_transfer_size(ide_drive_t *drive, int len)
+{
+ struct cdrom_info *cd = drive->driver_data;
+
+ if ((len % SECTOR_SIZE) == 0)
+ return 0;
+
+ printk(KERN_ERR "%s: %s: Bad transfer size %d\n",
+ drive->name, __FUNCTION__, len);
+
+ if (cd->cd_flags & IDE_CD_FLAG_LIMIT_NFRAMES)
+ printk(KERN_ERR " This drive is not supported by "
+ "this version of the driver\n");
+ else {
+ printk(KERN_ERR " Trying to limit transfer sizes\n");
+ cd->cd_flags |= IDE_CD_FLAG_LIMIT_NFRAMES;
+ }
+
+ return 1;
+}
+
+/*
* Interrupt routine. Called when a read request has completed.
*/
static ide_startstop_t cdrom_read_intr (ide_drive_t *drive)
@@ -774,18 +799,7 @@ static ide_startstop_t cdrom_read_intr (
if (cdrom_read_check_ireason (drive, len, ireason))
return ide_stopped;
- /* Assume that the drive will always provide data in multiples
- of at least SECTOR_SIZE, as it gets hairy to keep track
- of the transfers otherwise. */
- if ((len % SECTOR_SIZE) != 0) {
- printk (KERN_ERR "%s: cdrom_read_intr: Bad transfer size %d\n",
- drive->name, len);
- if (info->cd_flags & IDE_CD_FLAG_LIMIT_NFRAMES)
- printk (KERN_ERR " This drive is not supported by this version of the driver\n");
- else {
- printk (KERN_ERR " Trying to limit transfer sizes\n");
- info->cd_flags |= IDE_CD_FLAG_LIMIT_NFRAMES;
- }
+ if (ide_cd_check_transfer_size(drive, len)) {
cdrom_end_request(drive, 0);
return ide_stopped;
}
-
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