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| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2008-08-29 11:47:07 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-08-29 11:47:07 +0200 |
| commit | bb23b431db7405f6d79f989ad0236bf6428ba1cb (patch) | |
| tree | 481c179e97bf72b206e51ef594c7bb3fb32af72f /block | |
| parent | 24342c34a022ee90839873d91396045e12ef1090 (diff) | |
| download | linux-bb23b431db7405f6d79f989ad0236bf6428ba1cb.tar.gz linux-bb23b431db7405f6d79f989ad0236bf6428ba1cb.tar.bz2 linux-bb23b431db7405f6d79f989ad0236bf6428ba1cb.zip | |
remove blk_register_filter and blk_unregister_filter in gendisk
This patch remove blk_register_filter and blk_unregister_filter in
gendisk, and adds them to sd.c, sr.c. and ide-cd.c
The commit abf5439370491dd6fbb4fe1a7939680d2a9bc9d4 moved cmdfilter
from gendisk to request_queue. It turned out that in some subsystems
multiple gendisks share a single request_queue. So we get:
Using physmap partition information
Creating 3 MTD partitions on "physmap-flash":
0x00000000-0x01c00000 : "User FS"
0x01c00000-0x01c40000 : "booter"
kobject (8511c410): tried to init an initialized object, something is seriously wrong.
Call Trace:
[<8036644c>] dump_stack+0x8/0x34
[<8021f050>] kobject_init+0x50/0xcc
[<8021fa18>] kobject_init_and_add+0x24/0x58
[<8021d20c>] blk_register_filter+0x4c/0x64
[<8021c194>] add_disk+0x78/0xe0
[<8027d14c>] add_mtd_blktrans_dev+0x254/0x278
[<8027c8f0>] blktrans_notify_add+0x40/0x78
[<80279c00>] add_mtd_device+0xd0/0x150
[<8027b090>] add_mtd_partitions+0x568/0x5d8
[<80285458>] physmap_flash_probe+0x2ac/0x334
[<802644f8>] driver_probe_device+0x12c/0x244
[<8026465c>] __driver_attach+0x4c/0x84
[<80263c64>] bus_for_each_dev+0x58/0xac
[<802633ec>] bus_add_driver+0xc4/0x24c
[<802648e0>] driver_register+0xcc/0x184
[<80100460>] _stext+0x60/0x1bc
In the long term, we need to fix such subsystems but we need a quick
fix now. This patch add the command filter support to only sd and sr
though it might be useful for other SG_IO users (such as cciss).
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reported-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/cmd-filter.c | 3 | ||||
| -rw-r--r-- | block/genhd.c | 2 |
2 files changed, 2 insertions, 3 deletions
diff --git a/block/cmd-filter.c b/block/cmd-filter.c index 1d4026206ac2..228b6447e89f 100644 --- a/block/cmd-filter.c +++ b/block/cmd-filter.c @@ -223,6 +223,7 @@ int blk_register_filter(struct gendisk *disk) return 0; } +EXPORT_SYMBOL(blk_register_filter); void blk_unregister_filter(struct gendisk *disk) { @@ -231,4 +232,4 @@ void blk_unregister_filter(struct gendisk *disk) kobject_put(&filter->kobj); kobject_put(disk->holder_dir->parent); } - +EXPORT_SYMBOL(blk_unregister_filter); diff --git a/block/genhd.c b/block/genhd.c index 656c2c7abf99..d9743ff67898 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -190,7 +190,6 @@ void add_disk(struct gendisk *disk) disk->minors, NULL, exact_match, exact_lock, disk); register_disk(disk); blk_register_queue(disk); - blk_register_filter(disk); bdi = &disk->queue->backing_dev_info; bdi_register_dev(bdi, MKDEV(disk->major, disk->first_minor)); @@ -203,7 +202,6 @@ EXPORT_SYMBOL(del_gendisk); /* in partitions/check.c */ void unlink_gendisk(struct gendisk *disk) { - blk_unregister_filter(disk); sysfs_remove_link(&disk->dev.kobj, "bdi"); bdi_unregister(&disk->queue->backing_dev_info); blk_unregister_queue(disk); |