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Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block

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Pull block updates from Jens Axboe:
 "Core block changes that have been queued up for this release:

   - Remove dead blk-throttle and blk-wbt code (Guoqing)

   - Include pid in blktrace note traces (Jan)

   - Don't spew I/O errors on wouldblock termination (me)

   - Zone append addition (Johannes, Keith, Damien)

   - IO accounting improvements (Konstantin, Christoph)

   - blk-mq hardware map update improvements (Ming)

   - Scheduler dispatch improvement (Salman)

   - Inline block encryption support (Satya)

   - Request map fixes and improvements (Weiping)

   - blk-iocost tweaks (Tejun)

   - Fix for timeout failing with error injection (Keith)

   - Queue re-run fixes (Douglas)

   - CPU hotplug improvements (Christoph)

   - Queue entry/exit improvements (Christoph)

   - Move DMA drain handling to the few drivers that use it (Christoph)

   - Partition handling cleanups (Christoph)"

* tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block: (127 commits)
  block: mark bio_wouldblock_error() bio with BIO_QUIET
  blk-wbt: rename __wbt_update_limits to wbt_update_limits
  blk-wbt: remove wbt_update_limits
  blk-throttle: remove tg_drain_bios
  blk-throttle: remove blk_throtl_drain
  null_blk: force complete for timeout request
  blk-mq: drain I/O when all CPUs in a hctx are offline
  blk-mq: add blk_mq_all_tag_iter
  blk-mq: open code __blk_mq_alloc_request in blk_mq_alloc_request_hctx
  blk-mq: use BLK_MQ_NO_TAG in more places
  blk-mq: rename BLK_MQ_TAG_FAIL to BLK_MQ_NO_TAG
  blk-mq: move more request initialization to blk_mq_rq_ctx_init
  blk-mq: simplify the blk_mq_get_request calling convention
  blk-mq: remove the bio argument to ->prepare_request
  nvme: force complete cancelled requests
  blk-mq: blk-mq: provide forced completion method
  block: fix a warning when blkdev.h is included for !CONFIG_BLOCK builds
  block: blk-crypto-fallback: remove redundant initialization of variable err
  block: reduce part_stat_lock() scope
  block: use __this_cpu_add() instead of access by smp_processor_id()
  ...
This commit is contained in:
Linus Torvalds
2020-06-02 15:29:19 -07:00
parent 1966391fa5 abb30460bd
commit 750a02ab8d
122 changed files with 4514 additions and 1493 deletions
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29
fs/udf/lowlevel.c
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@@ -27,41 +27,38 @@
unsigned int udf_get_last_session(struct super_block *sb)
{
struct cdrom_device_info *cdi = disk_to_cdi(sb->s_bdev->bd_disk);
struct cdrom_multisession ms_info;
unsigned int vol_desc_start;
struct block_device *bdev = sb->s_bdev;
int i;
vol_desc_start = 0;
if (!cdi) {
udf_debug("CDROMMULTISESSION not supported.\n");
return 0;
}
ms_info.addr_format = CDROM_LBA;
i = ioctl_by_bdev(bdev, CDROMMULTISESSION, (unsigned long)&ms_info);
if (i == 0) {
if (cdrom_multisession(cdi, &ms_info) == 0) {
udf_debug("XA disk: %s, vol_desc_start=%d\n",
ms_info.xa_flag ? "yes" : "no", ms_info.addr.lba);
if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */
vol_desc_start = ms_info.addr.lba;
} else {
udf_debug("CDROMMULTISESSION not supported: rc=%d\n", i);
return ms_info.addr.lba;
}
return vol_desc_start;
return 0;
}
unsigned long udf_get_last_block(struct super_block *sb)
{
struct block_device *bdev = sb->s_bdev;
struct cdrom_device_info *cdi = disk_to_cdi(bdev->bd_disk);
unsigned long lblock = 0;
/*
* ioctl failed or returned obviously bogus value?
* The cdrom layer call failed or returned obviously bogus value?
* Try using the device size...
*/
if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long) &lblock) ||
lblock == 0)
if (!cdi || cdrom_get_last_written(cdi, &lblock) || lblock == 0)
lblock = i_size_read(bdev->bd_inode) >> sb->s_blocksize_bits;
if (lblock)
return lblock - 1;
else
return 0;
return 0;
}