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Merge tag 'for-6.11/block-20240710' of git://git.kernel.dk/linux

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Pull block updates from Jens Axboe:

 - NVMe updates via Keith:
     - Device initialization memory leak fixes (Keith)
     - More constants defined (Weiwen)
     - Target debugfs support (Hannes)
     - PCIe subsystem reset enhancements (Keith)
     - Queue-depth multipath policy (Redhat and PureStorage)
     - Implement get_unique_id (Christoph)
     - Authentication error fixes (Gaosheng)

 - MD updates via Song
     - sync_action fix and refactoring (Yu Kuai)
     - Various small fixes (Christoph Hellwig, Li Nan, and Ofir Gal, Yu
       Kuai, Benjamin Marzinski, Christophe JAILLET, Yang Li)

 - Fix loop detach/open race (Gulam)

 - Fix lower control limit for blk-throttle (Yu)

 - Add module descriptions to various drivers (Jeff)

 - Add support for atomic writes for block devices, and statx reporting
   for same. Includes SCSI and NVMe (John, Prasad, Alan)

 - Add IO priority information to block trace points (Dongliang)

 - Various zone improvements and tweaks (Damien)

 - mq-deadline tag reservation improvements (Bart)

 - Ignore direct reclaim swap writes in writeback throttling (Baokun)

 - Block integrity improvements and fixes (Anuj)

 - Add basic support for rust based block drivers. Has a dummy null_blk
   variant for now (Andreas)

 - Series converting driver settings to queue limits, and cleanups and
   fixes related to that (Christoph)

 - Cleanup for poking too deeply into the bvec internals, in preparation
   for DMA mapping API changes (Christoph)

 - Various minor tweaks and fixes (Jiapeng, John, Kanchan, Mikulas,
   Ming, Zhu, Damien, Christophe, Chaitanya)

* tag 'for-6.11/block-20240710' of git://git.kernel.dk/linux: (206 commits)
  floppy: add missing MODULE_DESCRIPTION() macro
  loop: add missing MODULE_DESCRIPTION() macro
  ublk_drv: add missing MODULE_DESCRIPTION() macro
  xen/blkback: add missing MODULE_DESCRIPTION() macro
  block/rnbd: Constify struct kobj_type
  block: take offset into account in blk_bvec_map_sg again
  block: fix get_max_segment_size() warning
  loop: Don't bother validating blocksize
  virtio_blk: Don't bother validating blocksize
  null_blk: Don't bother validating blocksize
  block: Validate logical block size in blk_validate_limits()
  virtio_blk: Fix default logical block size fallback
  nvmet-auth: fix nvmet_auth hash error handling
  nvme: implement ->get_unique_id
  block: pass a phys_addr_t to get_max_segment_size
  block: add a bvec_phys helper
  blk-lib: check for kill signal in ioctl BLKZEROOUT
  block: limit the Write Zeroes to manually writing zeroes fallback
  block: refacto blkdev_issue_zeroout
  block: move read-only and supported checks into (__)blkdev_issue_zeroout
  ...
This commit is contained in:
Linus Torvalds
2024-07-15 14:20:22 -07:00
parent 3a56e24173 3c1743a685
commit 3e78198862
182 changed files with 5855 additions and 3684 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
block/bdev.c
View File

@@ -385,7 +385,7 @@ static struct file_system_type bd_type = {
};
struct super_block *blockdev_superblock __ro_after_init;
struct vfsmount *blockdev_mnt __ro_after_init;
static struct vfsmount *blockdev_mnt __ro_after_init;
EXPORT_SYMBOL_GPL(blockdev_superblock);
void __init bdev_cache_init(void)
@@ -1260,23 +1260,42 @@ void sync_bdevs(bool wait)
}
/*
* Handle STATX_DIOALIGN for block devices.
*
* Note that the inode passed to this is the inode of a block device node file,
* not the block device's internal inode. Therefore it is *not* valid to use
* I_BDEV() here; the block device has to be looked up by i_rdev instead.
* Handle STATX_{DIOALIGN, WRITE_ATOMIC} for block devices.
*/
void bdev_statx_dioalign(struct inode *inode, struct kstat *stat)
void bdev_statx(struct path *path, struct kstat *stat,
u32 request_mask)
{
struct inode *backing_inode;
struct block_device *bdev;
bdev = blkdev_get_no_open(inode->i_rdev);
if (!(request_mask & (STATX_DIOALIGN | STATX_WRITE_ATOMIC)))
return;
backing_inode = d_backing_inode(path->dentry);
/*
* Note that backing_inode is the inode of a block device node file,
* not the block device's internal inode. Therefore it is *not* valid
* to use I_BDEV() here; the block device has to be looked up by i_rdev
* instead.
*/
bdev = blkdev_get_no_open(backing_inode->i_rdev);
if (!bdev)
return;
stat->dio_mem_align = bdev_dma_alignment(bdev) + 1;
stat->dio_offset_align = bdev_logical_block_size(bdev);
stat->result_mask |= STATX_DIOALIGN;
if (request_mask & STATX_DIOALIGN) {
stat->dio_mem_align = bdev_dma_alignment(bdev) + 1;
stat->dio_offset_align = bdev_logical_block_size(bdev);
stat->result_mask |= STATX_DIOALIGN;
}
if (request_mask & STATX_WRITE_ATOMIC && bdev_can_atomic_write(bdev)) {
struct request_queue *bd_queue = bdev->bd_queue;
generic_fill_statx_atomic_writes(stat,
queue_atomic_write_unit_min_bytes(bd_queue),
queue_atomic_write_unit_max_bytes(bd_queue));
}
blkdev_put_no_open(bdev);
}