From: Linus Torvalds Date: Wed, 30 Aug 2023 03:21:42 +0000 (-0700) Subject: Merge tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3d3dfeb3aec7b612d266d500c82054f1fded4980;p=linux.git Merge tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux Pull block updates from Jens Axboe: "Pretty quiet round for this release. This contains: - Add support for zoned storage to ublk (Andreas, Ming) - Series improving performance for drivers that mark themselves as needing a blocking context for issue (Bart) - Cleanup the flush logic (Chengming) - sed opal keyring support (Greg) - Fixes and improvements to the integrity support (Jinyoung) - Add some exports for bcachefs that we can hopefully delete again in the future (Kent) - deadline throttling fix (Zhiguo) - Series allowing building the kernel without buffer_head support (Christoph) - Sanitize the bio page adding flow (Christoph) - Write back cache fixes (Christoph) - MD updates via Song: - Fix perf regression for raid0 large sequential writes (Jan) - Fix split bio iostat for raid0 (David) - Various raid1 fixes (Heinz, Xueshi) - raid6test build fixes (WANG) - Deprecate bitmap file support (Christoph) - Fix deadlock with md sync thread (Yu) - Refactor md io accounting (Yu) - Various non-urgent fixes (Li, Yu, Jack) - Various fixes and cleanups (Arnd, Azeem, Chengming, Damien, Li, Ming, Nitesh, Ruan, Tejun, Thomas, Xu)" * tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux: (113 commits) block: use strscpy() to instead of strncpy() block: sed-opal: keyring support for SED keys block: sed-opal: Implement IOC_OPAL_REVERT_LSP block: sed-opal: Implement IOC_OPAL_DISCOVERY blk-mq: prealloc tags when increase tagset nr_hw_queues blk-mq: delete redundant tagset map update when fallback blk-mq: fix tags leak when shrink nr_hw_queues ublk: zoned: support REQ_OP_ZONE_RESET_ALL md: raid0: account for split bio in iostat accounting md/raid0: Fix performance regression for large sequential writes md/raid0: Factor out helper for mapping and submitting a bio md raid1: allow writebehind to work on any leg device set WriteMostly md/raid1: hold the barrier until handle_read_error() finishes md/raid1: free the r1bio before waiting for blocked rdev md/raid1: call free_r1bio() before allow_barrier() in raid_end_bio_io() blk-cgroup: Fix NULL deref caused by blkg_policy_data being installed before init drivers/rnbd: restore sysfs interface to rnbd-client md/raid5-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid() raid6: test: only check for Altivec if building on powerpc hosts raid6: test: make sure all intermediate and artifact files are .gitignored ... --- 3d3dfeb3aec7b612d266d500c82054f1fded4980 diff --cc fs/super.c index 1db67a6e138cd,bc666e7ee1a98..bd8dcfc822c39 --- a/fs/super.c +++ b/fs/super.c @@@ -1206,13 -1027,14 +1206,15 @@@ void emergency_remount(void static void do_thaw_all_callback(struct super_block *sb) { - down_write(&sb->s_umount); - if (sb->s_root && sb->s_flags & SB_BORN) { + bool born = super_lock_excl(sb); + + if (born && sb->s_root) { - emergency_thaw_bdev(sb); + if (IS_ENABLED(CONFIG_BLOCK)) + while (sb->s_bdev && !thaw_bdev(sb->s_bdev)) + pr_warn("Emergency Thaw on %pg\n", sb->s_bdev); - thaw_super_locked(sb); + thaw_super_locked(sb, FREEZE_HOLDER_USERSPACE); } else { - up_write(&sb->s_umount); + super_unlock_excl(sb); } } diff --cc fs/udf/file.c index 0292d75e60ccd,c0e2080e639ee..0ceac4b5937c7 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@@ -63,13 -63,13 +63,13 @@@ static vm_fault_t udf_page_mkwrite(stru else end = PAGE_SIZE; err = __block_write_begin(page, 0, end, udf_get_block); - if (!err) - err = block_commit_write(page, 0, end); - if (err < 0) { + if (err) { unlock_page(page); - ret = block_page_mkwrite_return(err); + ret = vmf_fs_error(err); goto out_unlock; } + + block_commit_write(page, 0, end); out_dirty: set_page_dirty(page); wait_for_stable_page(page); diff --cc include/linux/buffer_head.h index 06566aee94ca4,c89ef50d5112f..4ede47649a811 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@@ -194,9 -192,10 +192,8 @@@ void buffer_check_dirty_writeback(struc void mark_buffer_dirty(struct buffer_head *bh); void mark_buffer_write_io_error(struct buffer_head *bh); void touch_buffer(struct buffer_head *bh); -void set_bh_page(struct buffer_head *bh, - struct page *page, unsigned long offset); void folio_set_bh(struct buffer_head *bh, struct folio *folio, unsigned long offset); - bool try_to_free_buffers(struct folio *); struct buffer_head *folio_alloc_buffers(struct folio *folio, unsigned long size, bool retry); struct buffer_head *alloc_page_buffers(struct page *page, unsigned long size, @@@ -286,21 -276,9 +274,9 @@@ int cont_write_begin(struct file *, str unsigned, struct page **, void **, get_block_t *, loff_t *); int generic_cont_expand_simple(struct inode *inode, loff_t size); -int block_commit_write(struct page *page, unsigned from, unsigned to); +void block_commit_write(struct page *page, unsigned int from, unsigned int to); int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, get_block_t get_block); - /* Convert errno to return value from ->page_mkwrite() call */ - static inline vm_fault_t block_page_mkwrite_return(int err) - { - if (err == 0) - return VM_FAULT_LOCKED; - if (err == -EFAULT || err == -EAGAIN) - return VM_FAULT_NOPAGE; - if (err == -ENOMEM) - return VM_FAULT_OOM; - /* -ENOSPC, -EDQUOT, -EIO ... */ - return VM_FAULT_SIGBUS; - } sector_t generic_block_bmap(struct address_space *, sector_t, get_block_t *); int block_truncate_page(struct address_space *, loff_t, get_block_t *);