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Commit 2dc75d3c authored by Jens Axboe's avatar Jens Axboe
Browse files

block: disable sysfs parts of the disk command filter



We still have life time issues with the sysfs command filter kobject,
so disable it for 2.6.27 release. We can revisit this and make it work
properly for 2.6.28, for 2.6.27 release it's too risky.

Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent adee14b2
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+2 −0
Original line number Diff line number Diff line
@@ -49,6 +49,7 @@ int blk_verify_command(struct blk_cmd_filter *filter,
}
EXPORT_SYMBOL(blk_verify_command);

#if 0
/* and now, the sysfs stuff */
static ssize_t rcf_cmds_show(struct blk_cmd_filter *filter, char *page,
			     int rw)
@@ -233,3 +234,4 @@ void blk_unregister_filter(struct gendisk *disk)
	kobject_put(disk->holder_dir->parent);
}
EXPORT_SYMBOL(blk_unregister_filter);
#endif
+0 −2
Original line number Diff line number Diff line
@@ -1933,7 +1933,6 @@ static void ide_cd_remove(ide_drive_t *drive)

	ide_proc_unregister_driver(drive, info->driver);

	blk_unregister_filter(info->disk);
	del_gendisk(info->disk);

	ide_cd_put(info);
@@ -2159,7 +2158,6 @@ static int ide_cd_probe(ide_drive_t *drive)
	g->fops = &idecd_ops;
	g->flags |= GENHD_FL_REMOVABLE;
	add_disk(g);
	blk_register_filter(g);
	return 0;

out_free_cd:
+0 −2
Original line number Diff line number Diff line
@@ -1875,7 +1875,6 @@ static int sd_probe(struct device *dev)

	dev_set_drvdata(dev, sdkp);
	add_disk(gd);
	blk_register_filter(gd);
	sd_dif_config_host(sdkp);

	sd_printk(KERN_NOTICE, sdkp, "Attached SCSI %sdisk\n",
@@ -1909,7 +1908,6 @@ static int sd_remove(struct device *dev)
	struct scsi_disk *sdkp = dev_get_drvdata(dev);

	device_del(&sdkp->dev);
	blk_unregister_filter(sdkp->disk);
	del_gendisk(sdkp->disk);
	sd_shutdown(dev);

+0 −2
Original line number Diff line number Diff line
@@ -656,7 +656,6 @@ static int sr_probe(struct device *dev)
	dev_set_drvdata(dev, cd);
	disk->flags |= GENHD_FL_REMOVABLE;
	add_disk(disk);
	blk_register_filter(disk);

	sdev_printk(KERN_DEBUG, sdev,
		    "Attached scsi CD-ROM %s\n", cd->cdi.name);
@@ -895,7 +894,6 @@ static int sr_remove(struct device *dev)
{
	struct scsi_cd *cd = dev_get_drvdata(dev);

	blk_unregister_filter(cd->disk);
	del_gendisk(cd->disk);

	mutex_lock(&sr_ref_mutex);
+0 −2
Original line number Diff line number Diff line
@@ -843,8 +843,6 @@ extern int blkdev_issue_flush(struct block_device *, sector_t *);
*/
extern int blk_verify_command(struct blk_cmd_filter *filter,
			      unsigned char *cmd, int has_write_perm);
extern int blk_register_filter(struct gendisk *disk);
extern void blk_unregister_filter(struct gendisk *disk);
extern void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter);

#define MAX_PHYS_SEGMENTS 128