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linux/fs/btrfs
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Naohiro Aota 23c7353875 btrfs: zoned: wait for data BG to be finished on direct IO allocation 
commit 776a838f1fa95670c1c1cf7109a898090b473fa3 upstream.

Running the fio command below on a ZNS device results in "Resource
temporarily unavailable" error.

  $ sudo fio --name=w --directory=/mnt --filesize=1GB --bs=16MB --numjobs=16 \
        --rw=write --ioengine=libaio --iodepth=128 --direct=1

  fio: io_u error on file /mnt/w.2.0: Resource temporarily unavailable: write offset=117440512, buflen=16777216
  fio: io_u error on file /mnt/w.2.0: Resource temporarily unavailable: write offset=134217728, buflen=16777216
  ...

This happens because -EAGAIN error returned from btrfs_reserve_extent()
called from btrfs_new_extent_direct() is spilling over to the userland.

btrfs_reserve_extent() returns -EAGAIN when there is no active zone
available. Then, the caller should wait for some other on-going IO to
finish a zone and retry the allocation.

This logic is already implemented for buffered write in cow_file_range(),
but it is missing for the direct IO counterpart. Implement the same logic
for it.

Reported-by: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Fixes: 2ce543f47843 ("btrfs: zoned: wait until zone is finished when allocation didn't progress")
CC: stable@vger.kernel.org # 6.1+
Tested-by: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-11-28 17:20:10 +00:00
..
tests
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
accessors.c
btrfs: add eb to btrfs_node_key_ptr_offset
2022-12-05 18:00:58 +01:00
accessors.h
btrfs: use helper sizeof_field in struct accessors
2023-08-21 14:52:13 +02:00
acl.c
fs: port acl to mnt_idmap
2023-01-19 09:24:28 +01:00
acl.h
fs: port ->set_acl() to pass mnt_idmap
2023-01-19 09:24:27 +01:00
async-thread.c
btrfs: use alloc_ordered_workqueue() to create ordered workqueues
2023-06-19 13:59:30 +02:00
async-thread.h
btrfs: use alloc_ordered_workqueue() to create ordered workqueues
2023-06-19 13:59:30 +02:00
backref.c
btrfs: fix unwritten extent buffer after snapshotting a new subvolume
2023-10-23 17:17:30 +02:00
backref.h
btrfs: fix unwritten extent buffer after snapshotting a new subvolume
2023-10-23 17:17:30 +02:00
bio.c
btrfs: add an ordered_extent pointer to struct btrfs_bio
2023-06-19 13:59:36 +02:00
bio.h
btrfs: add an ordered_extent pointer to struct btrfs_bio
2023-06-19 13:59:36 +02:00
block-group.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
block-group.h
btrfs: rename add_new_free_space() to btrfs_add_new_free_space()
2023-08-21 14:52:12 +02:00
block-rsv.c
btrfs: account block group tree when calculating global reserve size
2023-07-20 19:22:54 +02:00
block-rsv.h
btrfs: move btrfs_check_trunc_cache_free_space into block-rsv.c
2023-06-19 13:59:24 +02:00
btrfs_inode.h
btrfs: reduce the number of arguments to btrfs_run_delalloc_range
2023-08-21 14:52:14 +02:00
check-integrity.c
btrfs: rename __btrfs_map_block to btrfs_map_block
2023-06-19 13:59:34 +02:00
check-integrity.h
…
compression.c
btrfs: make btrfs_compressed_bioset static
2023-06-19 17:01:44 +02:00
compression.h
btrfs: pass an ordered_extent to btrfs_submit_compressed_write
2023-06-19 13:59:36 +02:00
ctree.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
ctree.h
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
defrag.c
btrfs: drop gfp from parameter extent state helpers
2023-06-19 13:59:30 +02:00
defrag.h
btrfs: move defrag related prototypes to their own header
2022-12-05 18:00:46 +01:00
delalloc-space.c
btrfs: don't arbitrarily slow down delalloc if we're committing
2023-11-28 17:20:02 +00:00
delalloc-space.h
btrfs: move delalloc space related prototypes to delalloc-space.h
2022-12-05 18:00:44 +01:00
delayed-inode.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
delayed-inode.h
btrfs: add __counted_by for struct btrfs_delayed_item and use struct_size()
2023-10-11 11:37:19 +02:00
delayed-ref.c
btrfs: prevent transaction block reserve underflow when starting transaction
2023-09-20 20:42:18 +02:00
delayed-ref.h
btrfs: prevent transaction block reserve underflow when starting transaction
2023-09-20 20:42:18 +02:00
dev-replace.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
dev-replace.h
btrfs: move dev-replace prototypes into dev-replace.h
2022-12-05 18:00:47 +01:00
dir-item.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
dir-item.h
btrfs: move dir-item prototypes into dir-item.h
2022-12-05 18:00:46 +01:00
discard.c
btrfs: unexport btrfs_run_discard_work and make it static
2023-06-19 13:59:25 +02:00
discard.h
btrfs: unexport btrfs_run_discard_work and make it static
2023-06-19 13:59:25 +02:00
disk-io.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
disk-io.h
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
export.c
btrfs: move super_block specific helpers into super.h
2022-12-05 18:00:47 +01:00
export.h
btrfs: simplify generation check in btrfs_get_dentry
2022-12-05 18:00:41 +01:00
extent_io.c
btrfs: reset destination buffer when read_extent_buffer() gets invalid range
2023-09-20 20:44:57 +02:00
extent_io.h
btrfs: zoned: introduce block group context to btrfs_eb_write_context
2023-08-21 14:52:19 +02:00
extent_map.c
btrfs: fix incorrect splitting in btrfs_drop_extent_map_range
2023-08-18 14:38:10 +02:00
extent_map.h
btrfs: pass the new logical address to split_extent_map
2023-06-19 13:59:33 +02:00
extent-io-tree.c
btrfs: make find_first_extent_bit() return a boolean
2023-08-21 14:52:12 +02:00
extent-io-tree.h
btrfs: make find_first_extent_bit() return a boolean
2023-08-21 14:52:12 +02:00
extent-tree.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
extent-tree.h
btrfs: wait on uncached block groups on every allocation loop
2023-08-21 14:54:47 +02:00
file-item.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
file-item.h
btrfs: scrub: avoid unnecessary csum tree search preparing stripes
2023-08-21 14:54:48 +02:00
file.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
file.h
btrfs: use cached state when looking for delalloc ranges with fiemap
2022-12-05 18:00:56 +01:00
free-space-cache.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
free-space-cache.h
btrfs: move btrfs_check_trunc_cache_free_space into block-rsv.c
2023-06-19 13:59:24 +02:00
free-space-tree.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
free-space-tree.h
btrfs: make clear_cache mount option to rebuild FST without disabling it
2023-05-10 14:51:27 +02:00
fs.c
btrfs: sysfs: update fs features directory asynchronously
2023-02-13 17:50:35 +01:00
fs.h
btrfs: zoned: activate metadata block group on write time
2023-08-21 14:52:19 +02:00
inode-item.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
inode-item.h
btrfs: move split_flags/combine_flags helpers to inode-item.h
2023-06-19 13:59:25 +02:00
inode.c
btrfs: zoned: wait for data BG to be finished on direct IO allocation
2023-11-28 17:20:10 +00:00
ioctl.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
ioctl.h
fs: port ->fileattr_set() to pass mnt_idmap
2023-01-19 09:24:27 +01:00
Kconfig
MAINTAINERS: remove links to obsolete btrfs.wiki.kernel.org
2023-09-08 14:21:27 +02:00
locking.c
btrfs: add block-group tree to lockdep classes
2023-06-19 13:59:35 +02:00
locking.h
btrfs: do not block starts waiting on previous transaction commit
2023-09-08 14:10:49 +02:00
lru_cache.c
btrfs: send: cache utimes operations for directories if possible
2023-02-15 19:38:50 +01:00
lru_cache.h
btrfs: remove btrfs_lru_cache_is_full() inline function
2023-04-17 18:01:18 +02:00
lzo.c
btrfs: disable allocation warnings for compression workspaces
2023-06-19 13:59:34 +02:00
Makefile
btrfs: send: genericize the backref cache to allow it to be reused
2023-02-13 17:50:35 +01:00
messages.c
btrfs: remove v0 extent handling
2023-08-21 14:54:48 +02:00
messages.h
btrfs: remove v0 extent handling
2023-08-21 14:54:48 +02:00
misc.h
minmax: add in_range() macro
2023-08-24 16:20:18 -07:00
ordered-data.c
btrfs: check for BTRFS_FS_ERROR in pending ordered assert
2023-09-08 14:10:59 +02:00
ordered-data.h
btrfs: add a btrfs_finish_ordered_extent helper
2023-06-19 13:59:37 +02:00
orphan.c
btrfs: move orphan prototypes into orphan.h
2022-12-05 18:00:47 +01:00
orphan.h
btrfs: move orphan prototypes into orphan.h
2022-12-05 18:00:47 +01:00
print-tree.c
btrfs: remove v0 extent handling
2023-08-21 14:54:48 +02:00
print-tree.h
btrfs: print-tree: pass const extent buffer pointer
2023-06-19 13:59:22 +02:00
props.c
btrfs: move super_block specific helpers into super.h
2022-12-05 18:00:47 +01:00
props.h
btrfs: make module init/exit match their sequence
2022-12-05 18:00:40 +01:00
qgroup.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
qgroup.h
btrfs: sink gfp_t parameter to btrfs_qgroup_trace_extent
2022-12-05 18:00:43 +01:00
raid56.c
btrfs: scrub: avoid unnecessary csum tree search preparing stripes
2023-08-21 14:54:48 +02:00
raid56.h
btrfs: raid56: remove unused BTRFS_RBIO_REBUILD_MISSING
2023-08-21 14:52:12 +02:00
rcu-string.h
btrfs: replace strncpy() with strscpy()
2022-12-05 18:00:59 +01:00
ref-verify.c
btrfs: move accessor helpers into accessors.h
2022-12-05 18:00:42 +01:00
ref-verify.h
…
reflink.c
btrfs: convert to ctime accessor functions
2023-07-13 10:28:04 +02:00
reflink.h
…
relocation.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
relocation.h
btrfs: pass an ordered_extent to btrfs_reloc_clone_csums
2023-06-19 13:59:36 +02:00
root-tree.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
root-tree.h
btrfs: move root tree prototypes to their own header
2022-12-05 18:00:44 +01:00
scrub.c
btrfs: make found_logical_ret parameter mandatory for function queue_scrub_stripe()
2023-11-20 11:59:39 +01:00
scrub.h
btrfs: scrub: remove scrub_bio structure
2023-04-17 18:01:24 +02:00
send.c
btrfs: use LIST_HEAD() to initialize the list_head
2023-08-21 14:54:46 +02:00
send.h
btrfs: send add define for v2 buffer size
2022-12-05 18:00:41 +01:00
space-info.c
btrfs: zoned: re-enable metadata over-commit for zoned mode
2023-08-21 14:52:19 +02:00
space-info.h
btrfs: update documentation for BTRFS_RESERVE_FLUSH_EVICT flush method
2023-04-17 18:01:18 +02:00
subpage.c
btrfs: stop setting PageError in the data I/O path
2023-06-19 13:59:35 +02:00
subpage.h
btrfs: stop setting PageError in the data I/O path
2023-06-19 13:59:35 +02:00
super.c
Revert "btrfs: reject unknown mount options early"
2023-10-10 15:27:56 +02:00
super.h
btrfs: move super_block specific helpers into super.h
2022-12-05 18:00:47 +01:00
sysfs.c
btrfs: sysfs: show if ACL support has been compiled in
2023-08-21 14:52:12 +02:00
sysfs.h
btrfs: sysfs: update fs features directory asynchronously
2023-02-13 17:50:35 +01:00
transaction.c
for-6.6-rc3-tag
2023-09-26 09:44:08 -07:00
transaction.h
btrfs: always print transaction aborted messages with an error level
2023-10-04 01:03:59 +02:00
tree-checker.c
for-6.5-rc5-tag
2023-08-12 13:28:55 -07:00
tree-checker.h
btrfs: move btrfs_verify_level_key into tree-checker.c
2023-06-19 13:59:25 +02:00
tree-log.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
tree-log.h
btrfs: change for_rename argument of btrfs_record_unlink_dir() to bool
2023-06-19 13:59:26 +02:00
tree-mod-log.c
btrfs: avoid tree mod log ENOMEM failures when we don't need to log
2023-06-19 13:59:38 +02:00
tree-mod-log.h
btrfs: fix SPDX comment in tree-mod-log.h
2022-12-05 18:00:48 +01:00
ulist.c
btrfs: constify ulist parameter of ulist_next()
2022-12-05 18:00:50 +01:00
ulist.h
btrfs: constify ulist parameter of ulist_next()
2022-12-05 18:00:50 +01:00
uuid-tree.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
uuid-tree.h
btrfs: move uuid tree prototypes to uuid-tree.h
2022-12-05 18:00:46 +01:00
verity.c
btrfs: convert btrfs_read_merkle_tree_page() to use a folio
2023-09-13 18:40:54 +02:00
verity.h
btrfs: move verity prototypes into verity.h
2022-12-05 18:00:47 +01:00
volumes.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
volumes.h
btrfs: add a helper to read the superblock metadata_uuid
2023-08-21 14:54:48 +02:00
xattr.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-11-28 17:19:35 +00:00
xattr.h
…
zlib.c
btrfs: disable allocation warnings for compression workspaces
2023-06-19 13:59:34 +02:00
zoned.c
btrfs: zoned: skip splitting and logical rewriting on pre-alloc write
2023-08-22 14:19:59 +02:00
zoned.h
btrfs: zoned: reserve zones for an active metadata/system block group
2023-08-21 14:52:19 +02:00
zstd.c
btrfs: disable allocation warnings for compression workspaces
2023-06-19 13:59:34 +02:00