Naohiro Aota 3680b48533 btrfs: mark resumed async balance as writing ... commit a690e5f2db upstream. When btrfs balance is interrupted with umount, the background balance resumes on the next mount. There is a potential deadlock with FS freezing here like as described in commit 26559780b953 ("btrfs: zoned: mark relocation as writing"). Mark the process as sb_writing to avoid it. Reviewed-by: Filipe Manana <fdmanana@suse.com> CC: stable@vger.kernel.org # 4.9+ Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2022-04-20 09:34:19 +02:00
..
tests	btrfs: remove ignore_offset argument from btrfs_find_all_roots()	2021-08-23 13:19:01 +02:00
acl.c	overlayfs update for 5.15	2021-09-02 09:21:27 -07:00
async-thread.c	btrfs: fix memory ordering between normal and ordered work functions	2021-11-25 09:48:46 +01:00
async-thread.h
backref.c	btrfs: remove BUG_ON(!eie) in find_parent_nodes	2022-01-27 11:04:52 +01:00
backref.h	btrfs: remove ignore_offset argument from btrfs_find_all_roots()	2021-08-23 13:19:01 +02:00
block-group.c	btrfs: remove unused variable in btrfs_{start,write}_dirty_block_groups()	2022-04-20 09:34:04 +02:00
block-group.h	btrfs: rework chunk allocation to avoid exhaustion of the system chunk array	2021-07-07 17:42:41 +02:00
block-rsv.c	btrfs: introduce mount option rescue=ignorebadroots	2020-12-08 15:53:41 +01:00
block-rsv.h
btrfs_inode.h	btrfs: initial fsverity support	2021-08-23 13:19:09 +02:00
check-integrity.c	btrfs: check-integrity: drop kmap/kunmap for block pages	2021-08-23 13:19:00 +02:00
check-integrity.h
compression.c	btrfs: remove unused parameter nr_pages in add_ra_bio_pages()	2022-04-20 09:34:04 +02:00
compression.h	btrfs: rework btrfs_decompress_buf2page()	2021-08-23 13:19:04 +02:00
ctree.c	btrfs: make send work with concurrent block group relocation	2022-03-16 14:23:46 +01:00
ctree.h	btrfs: skip reserved bytes warning on unmount after log cleanup failure	2022-03-23 09:16:43 +01:00
delalloc-space.c	btrfs: free exchange changeset on failures	2021-12-14 10:57:13 +01:00
delalloc-space.h
delayed-inode.c	btrfs: add ro compat flags to inodes	2021-08-23 13:19:09 +02:00
delayed-inode.h	btrfs: make btrfs_delayed_update_inode take btrfs_inode	2020-12-08 15:54:10 +01:00
delayed-ref.c	btrfs: fix lock inversion problem when doing qgroup extent tracing	2021-07-22 15:50:07 +02:00
delayed-ref.h	btrfs: only let one thread pre-flush delayed refs in commit	2021-02-08 22:58:56 +01:00
dev-replace.c	btrfs: zoned: cache reported zone during mount	2022-02-23 12:03:02 +01:00
dev-replace.h	btrfs: zoned: mark block groups to copy for device-replace	2021-02-09 02:46:07 +01:00
dir-item.c	btrfs: unify lookup return value when dir entry is missing	2021-10-07 22:06:32 +02:00
discard.c	btrfs: fix typos in comments	2021-06-22 14:11:57 +02:00
discard.h	btrfs: cleanup btrfs_discard_update_discardable usage	2020-12-08 15:54:02 +01:00
disk-io.c	btrfs: fix root ref counts in error handling in btrfs_get_root_ref	2022-04-20 09:34:19 +02:00
disk-io.h	btrfs: split alloc_log_tree()	2021-02-09 02:46:07 +01:00
export.c	btrfs: locking: rip out path->leave_spinning	2020-12-08 15:54:02 +01:00
export.h
extent-io-tree.h	btrfs: use fixed width int type for extent_state::state	2020-12-08 15:54:13 +01:00
extent-tree.c	btrfs: do not start relocation until in progress drops are done	2022-03-08 19:12:54 +01:00
extent_io.c	btrfs: remove no longer used counter when reading data page	2022-04-20 09:34:04 +02:00
extent_io.h	btrfs: fix qgroup reserve overflow the qgroup limit	2022-04-13 20:59:23 +02:00
extent_map.c	btrfs: fix parameter description of btrfs_add_extent_mapping	2021-02-08 22:58:53 +01:00
extent_map.h
file-item.c	btrfs: make search_csum_tree return 0 if we get -EFBIG	2022-04-08 14:23:58 +02:00
file.c	btrfs: fix fallocate to use file_modified to update permissions consistently	2022-04-20 09:34:14 +02:00
free-space-cache.c	btrfs: zoned: fix block group alloc_offset calculation	2021-08-23 13:19:11 +02:00
free-space-cache.h	btrfs: zoned: track unusable bytes for zones	2021-02-09 02:46:03 +01:00
free-space-tree.c	btrfs: fix possible free space tree corruption with online conversion	2021-01-25 18:44:37 +01:00
free-space-tree.h
inode-item.c	btrfs: locking: rip out path->leave_spinning	2020-12-08 15:54:02 +01:00
inode.c	btrfs: do not warn for free space inode in cow_file_range	2022-04-20 09:34:14 +02:00
ioctl.c	btrfs: fix use-after-free after failure to create a snapshot	2022-02-08 18:34:04 +01:00
Kconfig	btrfs: disable build on platforms having page size 256K	2021-06-22 14:11:57 +02:00
locking.c	btrfs: fix typos in comments	2021-06-22 14:11:57 +02:00
locking.h	btrfs: remove the recurse parameter from __btrfs_tree_read_lock	2020-12-08 15:54:09 +01:00
lzo.c	btrfs: prevent copying too big compressed lzo segment	2022-03-02 11:48:07 +01:00
Makefile	btrfs: initial fsverity support	2021-08-23 13:19:09 +02:00
misc.h	btrfs: use correct header for div_u64 in misc.h	2021-09-07 14:29:50 +02:00
ordered-data.c	btrfs: zoned: fix double counting of split ordered extent	2021-09-07 14:30:41 +02:00
ordered-data.h	btrfs: remove uptodate parameter from btrfs_dec_test_first_ordered_pending	2021-08-23 13:19:02 +02:00
orphan.c
print-tree.c	btrfs: print the actual offset in btrfs_root_name	2021-01-07 17:25:05 +01:00
print-tree.h	btrfs: print the actual offset in btrfs_root_name	2021-01-07 17:25:05 +01:00
props.c	btrfs: props: change how empty value is interpreted	2021-06-22 14:11:58 +02:00
props.h
qgroup.c	btrfs: qgroup: fix deadlock between rescan worker and remove qgroup	2022-03-08 19:12:54 +01:00
qgroup.h	btrfs: fix lock inversion problem when doing qgroup extent tracing	2021-07-22 15:50:07 +02:00
raid56.c	btrfs: constify and cleanup variables in comparators	2021-08-23 13:19:03 +02:00
raid56.h
rcu-string.h
reada.c	btrfs: subpage: make readahead work properly	2021-03-16 11:06:21 +01:00
ref-verify.c	btrfs: stop doing GFP_KERNEL memory allocations in the ref verify tool	2021-08-23 13:19:00 +02:00
ref-verify.h
reflink.c	btrfs: fix unexpected error path when reflinking an inline extent	2022-04-08 14:23:11 +02:00
reflink.h
relocation.c	btrfs: make send work with concurrent block group relocation	2022-03-16 14:23:46 +01:00
root-tree.c	btrfs: do not start relocation until in progress drops are done	2022-03-08 19:12:54 +01:00
scrub.c	btrfs: make 1-bit bit-fields of scrub_page unsigned int	2021-11-25 09:48:37 +01:00
send.c	btrfs: make send work with concurrent block group relocation	2022-03-16 14:23:46 +01:00
send.h	btrfs: send: avoid copying file data	2020-10-07 12:13:17 +02:00
space-info.c	btrfs: extend locking to all space_info members accesses	2022-04-08 14:23:02 +02:00
space-info.h	btrfs: rip out btrfs_space_info::total_bytes_pinned	2021-06-22 14:55:25 +02:00
struct-funcs.c	btrfs: add special case to setget helpers for 64k pages	2021-08-23 13:18:58 +02:00
subpage.c	btrfs: subpage: fix a potential use-after-free in writeback helper	2021-08-23 13:19:05 +02:00
subpage.h	btrfs: subpage: fix writeback which does not have ordered extent	2021-08-23 13:19:04 +02:00
super.c	btrfs: use latest_dev in btrfs_show_devname	2021-12-22 09:32:37 +01:00
sysfs.c	btrfs: sysfs: document structures and their associated files	2021-08-23 13:19:12 +02:00
sysfs.h	btrfs: split and refactor btrfs_sysfs_remove_devices_dir	2020-10-07 12:12:21 +02:00
transaction.c	btrfs: make send work with concurrent block group relocation	2022-03-16 14:23:46 +01:00
transaction.h	btrfs: do not start relocation until in progress drops are done	2022-03-08 19:12:54 +01:00
tree-checker.c	btrfs: tree-checker: check item_size for dev_item	2022-03-02 11:47:48 +01:00
tree-checker.h
tree-defrag.c	btrfs: locking: remove all the blocking helpers	2020-12-08 15:54:01 +01:00
tree-log.c	btrfs: skip reserved bytes warning on unmount after log cleanup failure	2022-03-23 09:16:43 +01:00
tree-log.h	btrfs: make fast fsyncs wait only for writeback	2020-10-07 12:06:56 +02:00
tree-mod-log.c	btrfs: fix race when picking most recent mod log operation for an old root	2021-04-20 19:27:17 +02:00
tree-mod-log.h	btrfs: add and use helper to get lowest sequence number for the tree mod log	2021-04-19 17:25:17 +02:00
ulist.c
ulist.h
uuid-tree.c	btrfs: remove unnecessary casts in printk	2020-12-08 15:53:52 +01:00
verity.c	btrfs: fix transaction handle leak after verity rollback failure	2021-09-17 19:29:41 +02:00
volumes.c	btrfs: mark resumed async balance as writing	2022-04-20 09:34:19 +02:00
volumes.h	btrfs: convert latest_bdev type to btrfs_device and rename	2021-12-22 09:32:37 +01:00
xattr.c	for-5.12-rc1-tag	2021-03-05 12:21:14 -08:00
xattr.h
zlib.c	Revert "btrfs: compression: drop kmap/kunmap from zlib"	2021-10-29 13:03:05 +02:00
zoned.c	btrfs: zoned: cache reported zone during mount	2022-02-23 12:03:02 +01:00
zoned.h	btrfs: zoned: cache reported zone during mount	2022-02-23 12:03:02 +01:00
zstd.c	Revert "btrfs: compression: drop kmap/kunmap from zstd"	2021-10-29 13:02:50 +02:00