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67c003f90f
linux/fs/btrfs
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Naohiro Aota 67c003f90f btrfs: finish ordered extent cleaning if no progress is found 
__endio_write_update_ordered() repeats the search until it reaches the end
of the specified range. This works well with direct IO path, because before
the function is called, it's ensured that there are ordered extents filling
whole the range. It's not the case, however, when it's called from
run_delalloc_range(): it is possible to have error in the midle of the loop
in e.g. run_delalloc_nocow(), so that there exisits the range not covered
by any ordered extents. By cleaning such "uncomplete" range,
__endio_write_update_ordered() stucks at offset where there're no ordered
extents.

Since the ordered extents are created from head to tail, we can stop the
search if there are no offset progress.

Fixes: 524272607e ("btrfs: Handle delalloc error correctly to avoid ordered extent hang")
Cc: <stable@vger.kernel.org> # 4.12
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: Qu Wenruo <quwenruo.btrfs@gmx.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2017-09-26 14:49:06 +02:00
..
tests btrfs: remove unused sectorsize member 2017-08-16 14:19:53 +02:00
acl.c btrfs: preserve i_mode if __btrfs_set_acl() fails 2017-08-21 17:47:42 +02:00
async-thread.c btrfs: constify tracepoint arguments 2017-08-16 14:19:53 +02:00
async-thread.h btrfs: constify tracepoint arguments 2017-08-16 14:19:53 +02:00
backref.c Btrfs: convert to use btrfs_get_extent_inline_ref_type 2017-08-21 17:47:43 +02:00
backref.h btrfs: backref, add tracepoints for prelim_ref insertion and merging 2017-08-16 16:12:01 +02:00
btrfs_inode.h btrfs: separate defrag and property compression 2017-08-16 16:12:05 +02:00
check-integrity.c btrfs: use appropriate define for the fsid 2017-08-18 16:36:29 +02:00
check-integrity.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
compression.c Btrfs: add skeleton code for compression heuristic 2017-08-16 16:12:04 +02:00
compression.h btrfs: remove unused BTRFS_COMPRESS_LAST 2017-08-18 16:36:29 +02:00
ctree.c btrfs: get fs_info from eb in btrfs_print_leaf, remove argument 2017-08-16 16:12:03 +02:00
ctree.h btrfs: pass fs_info to btrfs_del_root instead of tree_root 2017-08-21 17:49:54 +02:00
dedupe.h btrfs: expand cow_file_range() to support in-band dedup and subpage-blocksize 2016-07-26 13:52:25 +02:00
delayed-inode.c btrfs: increase ctx->pos for delayed dir index 2017-08-18 16:36:20 +02:00
delayed-inode.h btrfs: convert btrfs_delayed_item.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
delayed-ref.c Btrfs: return old and new total ref mods when adding delayed refs 2017-06-29 20:17:01 +02:00
delayed-ref.h Btrfs: return old and new total ref mods when adding delayed refs 2017-06-29 20:17:01 +02:00
dev-replace.c btrfs: simplify btrfs_dev_replace_kthread 2017-08-16 16:12:03 +02:00
dev-replace.h btrfs: constify device path passed to relevant helpers 2017-02-28 14:26:07 +01:00
dir-item.c btrfs: fix validation of XATTR_ITEM dir items 2017-06-29 20:06:11 +02:00
disk-io.c btrfs: submit superblock io with REQ_META and REQ_PRIO 2017-08-22 13:22:05 +02:00
disk-io.h btrfs: use named constant for bdev blocksize 2017-08-16 16:12:04 +02:00
export.c btrfs: Check name_len before reading btrfs_get_name 2017-06-21 19:16:04 +02:00
export.h
extent_io.c Btrfs: do not reset bio->bi_ops while writing bio 2017-09-26 14:48:30 +02:00
extent_io.h btrfs: struct-funcs, constify readers 2017-08-16 14:19:53 +02:00
extent_map.c btrfs: convert extent_map.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
extent_map.h btrfs: convert extent_map.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
extent-tree.c btrfs: pass fs_info to btrfs_del_root instead of tree_root 2017-08-21 17:49:54 +02:00
file-item.c Merge branch 'for-4.13-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux 2017-07-05 16:41:23 -07:00
file.c btrfs: fix readdir deadlock with pagefault 2017-08-16 16:12:05 +02:00
free-space-cache.c btrfs: drop newlines from strings when using btrfs_* helpers 2017-08-16 16:12:02 +02:00
free-space-cache.h btrfs: free-space-cache, clean up unnecessary root arguments 2017-02-17 12:03:56 +01:00
free-space-tree.c btrfs: pass fs_info to btrfs_del_root instead of tree_root 2017-08-21 17:49:54 +02:00
free-space-tree.h btrfs: expose internal free space tree routine only if sanity tests are enabled 2017-08-18 16:36:29 +02:00
hash.c crypto: Work around deallocated stack frame reference gcc bug on sparc. 2017-06-08 17:36:03 +08:00
hash.h btrfs: advertise which crc32c implementation is being used at module load 2016-06-06 14:08:28 +02:00
inode-item.c btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
inode-map.c btrfs: qgroup: Introduce extent changeset for qgroup reserve functions 2017-06-29 20:17:02 +02:00
inode-map.h
inode.c btrfs: finish ordered extent cleaning if no progress is found 2017-09-26 14:49:06 +02:00
ioctl.c Btrfs: fix incorrect {node,sector}size endianness from BTRFS_IOC_FS_INFO 2017-09-26 14:48:50 +02:00
Kconfig
locking.c
locking.h
lzo.c btrfs: switch to kvmalloc and GFP_KERNEL in lzo/zlib alloc_workspace 2017-06-19 18:26:02 +02:00
Makefile
math.h
ordered-data.c btrfs: fix integer overflow in calc_reclaim_items_nr 2017-06-29 20:17:02 +02:00
ordered-data.h btrfs: fix integer overflow in calc_reclaim_items_nr 2017-06-29 20:17:02 +02:00
orphan.c
print-tree.c Btrfs: add one more sanity check for shared ref type 2017-08-21 17:47:43 +02:00
print-tree.h btrfs: get fs_info from eb in btrfs_print_tree, remove argument 2017-08-16 16:12:03 +02:00
props.c btrfs: prepare for extensions in compression options 2017-08-16 16:12:05 +02:00
props.h
qgroup.c btrfs: pass fs_info to btrfs_del_root instead of tree_root 2017-08-21 17:49:54 +02:00
qgroup.h btrfs: qgroup: Fix qgroup reserved space underflow by only freeing reserved ranges 2017-06-29 20:17:02 +02:00
raid56.c Merge branch 'for-4.13-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux 2017-07-14 22:55:52 -07:00
raid56.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
rcu-string.h
reada.c btrfs: remove unused member err from reada_extent 2017-06-19 18:25:59 +02:00
relocation.c Btrfs: remove BUG_ON in __add_tree_block 2017-08-21 17:47:43 +02:00
root-tree.c btrfs: pass fs_info to btrfs_del_root instead of tree_root 2017-08-21 17:49:54 +02:00
scrub.c btrfs: scrub: simplify scrub worker initialization 2017-08-21 17:47:42 +02:00
send.c Btrfs: incremental send, fix emission of invalid clone operations 2017-08-21 17:47:42 +02:00
send.h
struct-funcs.c btrfs: struct-funcs, constify readers 2017-08-16 14:19:53 +02:00
super.c btrfs: Do not use data_alloc_cluster in ssd mode 2017-08-21 17:47:42 +02:00
sysfs.c btrfs: Add quota_override knob into sysfs 2017-06-19 18:25:58 +02:00
sysfs.h
transaction.c btrfs: fix integer overflow in calc_reclaim_items_nr 2017-06-29 20:17:02 +02:00
transaction.h btrfs: remove unused qgroup members from btrfs_trans_handle 2017-04-18 14:07:25 +02:00
tree-defrag.c
tree-log.c btrfs: Remove extra parentheses from condition in copy_items() 2017-08-21 17:47:42 +02:00
tree-log.h btrfs: Make btrfs_del_inode_ref take btrfs_inode 2017-02-14 15:50:54 +01:00
ulist.c btrfs: ulist: rename ulist_fini to ulist_release 2017-02-17 12:03:50 +01:00
ulist.h btrfs: ulist: rename ulist_fini to ulist_release 2017-02-17 12:03:50 +01:00
uuid-tree.c btrfs: return the actual error value from from btrfs_uuid_tree_iterate 2016-12-19 18:08:15 +01:00
volumes.c btrfs: remove superfluous chunk_tree argument from btrfs_alloc_dev_extent 2017-08-21 18:30:30 +02:00
volumes.h btrfs: Remove unused sectorsize variable from struct map_lookup 2017-08-18 16:36:29 +02:00
xattr.c btrfs: Check name_len with boundary in verify dir_item 2017-06-21 19:16:04 +02:00
xattr.h btrfs: Switch to generic xattr handlers 2016-05-17 19:17:09 -04:00
zlib.c btrfs: switch to kvmalloc and GFP_KERNEL in lzo/zlib alloc_workspace 2017-06-19 18:26:02 +02:00