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Qu Wenruo 2e3c25136a btrfs: extent_io: add proper error handling to lock_extent_buffer_for_io() 
This function needs some extra checks on locked pages and eb.  For error
handling we need to unlock locked pages and the eb.

There is a rare >0 return value branch, where all pages get locked
while write bio is not flushed.

Thankfully it's handled by the only caller, btree_write_cache_pages(),
as later write_one_eb() call will trigger submit_one_bio().  So there
shouldn't be any problem.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2019-04-29 19:02:24 +02:00
..
tests
btrfs: Introduce extent_io_tree::owner to distinguish different io_trees
2019-04-29 19:02:18 +02:00
acl.c
Btrfs: setup a nofs context for memory allocation at __btrfs_set_acl
2019-02-25 14:13:17 +01:00
async-thread.c
btrfs: simplify workqueue name when allocating
2019-02-25 14:13:24 +01:00
async-thread.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
backref.c
btrfs: honor path->skip_locking in backref code
2019-02-25 14:13:39 +01:00
backref.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
btrfs_inode.h
Btrfs: fix fsync of files with multiple hard links in new directories
2018-12-17 14:51:43 +01:00
check-integrity.c
btrfs: Fix typos in comments and strings
2018-12-17 14:51:50 +01:00
check-integrity.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
compression.c
for-5.1/block-20190302
2019-03-08 14:12:17 -08:00
compression.h
btrfs: change set_level() to bound the level passed in
2019-02-25 14:13:32 +01:00
ctree.c
btrfs: Check the first key and level for cached extent buffer
2019-04-29 19:02:22 +02:00
ctree.h
btrfs: Make btrfs_(set|clear)_header_flag return void
2019-04-29 19:02:22 +02:00
dedupe.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
delayed-inode.c
Btrfs: kill btrfs_clear_path_blocking
2018-10-15 17:23:38 +02:00
delayed-inode.h
Btrfs: delayed-inode: use rb_first_cached for ins_root and del_root
2018-10-15 17:23:33 +02:00
delayed-ref.c
btrfs: qgroup: Move reserved data accounting from btrfs_delayed_ref_head to btrfs_qgroup_extent_record
2019-02-25 14:13:39 +01:00
delayed-ref.h
btrfs: qgroup: Move reserved data accounting from btrfs_delayed_ref_head to btrfs_qgroup_extent_record
2019-02-25 14:13:39 +01:00
dev-replace.c
btrfs: drop the lock on error in btrfs_dev_replace_cancel
2019-02-25 14:13:41 +01:00
dev-replace.h
btrfs: dev-replace: open code trivial locking helpers
2018-12-17 14:51:45 +01:00
dir-item.c
btrfs: Remove root parameter from btrfs_insert_dir_item
2018-10-15 17:23:25 +02:00
disk-io.c
btrfs: Always output error message when key/level verification fails
2019-04-29 19:02:23 +02:00
disk-io.h
btrfs: Check the first key and level for cached extent buffer
2019-04-29 19:02:22 +02:00
export.c
btrfs: Remove 'objectid' member from struct btrfs_root
2018-10-15 17:23:25 +02:00
export.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
extent_io.c
btrfs: extent_io: add proper error handling to lock_extent_buffer_for_io()
2019-04-29 19:02:24 +02:00
extent_io.h
btrfs: switch extent_buffer::lock_nested to bool
2019-04-29 19:02:21 +02:00
extent_map.c
btrfs: Remove impossible condition from mergable_maps
2019-02-25 14:13:21 +01:00
extent_map.h
btrfs: Remove impossible condition from mergable_maps
2019-02-25 14:13:21 +01:00
extent-tree.c
Btrfs: remove no longer used 'sync' member from transaction handle
2019-04-29 19:02:18 +02:00
file-item.c
btrfs: reduce kmap_atomic time for checksumming
2019-04-29 19:02:19 +02:00
file.c
Btrfs: remove no longer used 'sync' member from transaction handle
2019-04-29 19:02:18 +02:00
free-space-cache.c
Btrfs: fix deadlock on tree root leaf when finding free extent
2018-11-06 16:42:32 +01:00
free-space-cache.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
free-space-tree.c
btrfs: use EXPORT_FOR_TESTS for conditionally exported functions
2018-12-17 14:51:37 +01:00
free-space-tree.h
btrfs: Remove fs_info argument from add_to_free_space_tree
2018-05-28 18:07:36 +02:00
inode-item.c
btrfs: replace GPL boilerplate by SPDX -- sources
2018-04-12 16:29:51 +02:00
inode-map.c
btrfs: prune unused includes
2018-08-06 13:12:43 +02:00
inode-map.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
inode.c
btrfs: Introduce extent_io_tree::owner to distinguish different io_trees
2019-04-29 19:02:18 +02:00
ioctl.c
btrfs: refactor btrfs_set_prop and add btrfs_set_prop_trans
2019-04-29 19:02:19 +02:00
Kconfig
btrfs: add SPDX header to Kconfig
2018-04-12 16:29:55 +02:00
locking.c
btrfs: switch extent_buffer::lock_nested to bool
2019-04-29 19:02:21 +02:00
locking.h
btrfs: merge btrfs_set_lock_blocking_rw with it's caller
2019-02-25 14:13:28 +01:00
lzo.c
btrfs: change set_level() to bound the level passed in
2019-02-25 14:13:32 +01:00
Makefile
btrfs: Remove custom crc32c init code
2018-03-26 15:09:39 +02:00
math.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
ordered-data.c
btrfs: Switch memory allocations in async csum calculation path to kvmalloc
2019-04-25 14:17:38 +02:00
ordered-data.h
btrfs: switch BTRFS_ORDERED_* to enums
2018-12-17 14:51:43 +01:00
orphan.c
btrfs: replace GPL boilerplate by SPDX -- sources
2018-04-12 16:29:51 +02:00
print-tree.c
btrfs: annotate unlikely branches after V0 extent type removal
2018-08-06 13:12:41 +02:00
print-tree.h
btrfs: print-tree: debugging output enhancement
2018-04-20 19:18:16 +02:00
props.c
btrfs: refactor btrfs_set_prop and add btrfs_set_prop_trans
2019-04-29 19:02:19 +02:00
props.h
btrfs: refactor btrfs_set_prop and add btrfs_set_prop_trans
2019-04-29 19:02:19 +02:00
qgroup.c
btrfs: Fix bound checking in qgroup_trace_new_subtree_blocks
2019-03-19 14:12:31 +01:00
qgroup.h
btrfs: qgroup: Move reserved data accounting from btrfs_delayed_ref_head to btrfs_qgroup_extent_record
2019-02-25 14:13:39 +01:00
raid56.c
for-5.1-rc2-tag
2019-03-26 10:32:13 -07:00
raid56.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
rcu-string.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
reada.c
btrfs: dev-replace: open code trivial locking helpers
2018-12-17 14:51:45 +01:00
ref-verify.c
btrfs: replace btrfs_set_lock_blocking_rw with appropriate helpers
2019-02-25 14:13:27 +01:00
ref-verify.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
relocation.c
btrfs: reloc: Fix NULL pointer dereference due to expanded reloc_root lifespan
2019-04-29 19:02:22 +02:00
root-tree.c
btrfs: Don't panic when we can't find a root key
2019-04-29 19:02:17 +02:00
scrub.c
btrfs: scrub: return EAGAIN when fs is closing
2019-04-29 19:02:17 +02:00
send.c
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
send.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
struct-funcs.c
btrfs: prune unused includes
2018-08-06 13:12:43 +02:00
super.c
btrfs: add zstd compression level support
2019-02-25 14:13:33 +01:00
sysfs.c
btrfs: Add sysfs support for metadata_uuid feature
2018-12-17 14:51:37 +01:00
sysfs.h
btrfs: drop extra enum initialization where using defaults
2018-12-17 14:51:43 +01:00
transaction.c
btrfs: Introduce extent_io_tree::owner to distinguish different io_trees
2019-04-29 19:02:18 +02:00
transaction.h
Btrfs: remove no longer used 'sync' member from transaction handle
2019-04-29 19:02:18 +02:00
tree-checker.c
btrfs: Fix typos in comments and strings
2018-12-17 14:51:50 +01:00
tree-checker.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
tree-defrag.c
btrfs: open code now trivial btrfs_set_lock_blocking
2019-02-25 14:13:27 +01:00
tree-log.c
Btrfs: fix assertion failure on fsync with NO_HOLES enabled
2019-03-20 19:53:39 +01:00
tree-log.h
Btrfs: remove no longer used io_err from btrfs_log_ctx
2018-12-17 14:51:31 +01:00
ulist.c
btrfs: replace GPL boilerplate by SPDX -- sources
2018-04-12 16:29:51 +02:00
ulist.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
uuid-tree.c
btrfs: Turn an 'else if' into an 'else' in btrfs_uuid_tree_add
2019-04-29 19:02:19 +02:00
volumes.c
btrfs: don't report readahead errors and don't update statistics
2019-03-13 17:14:27 +01:00
volumes.h
btrfs: introduce new ioctl to unregister a btrfs device
2019-02-25 14:13:30 +01:00
xattr.c
btrfs: refactor btrfs_set_prop and add btrfs_set_prop_trans
2019-04-29 19:02:19 +02:00
xattr.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
zlib.c
btrfs: change set_level() to bound the level passed in
2019-02-25 14:13:32 +01:00
zstd.c
btrfs: zstd: remove indirect calls for local functions
2019-04-29 19:02:18 +02:00