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Robbie Ko 1d16c2761b btrfs: reduce extent tree lock contention when searching for inline backref 
When inserting extent backref, in order to check whether refs other than
inline refs are used, we always use path keep locks for tree search, which
will increase the lock contention of extent tree.

We do not need the parent node every time to determine whether normal
refs are used.  It is only needed when the extent item is the last item
in a leaf.

Therefore, we change it to first use keep_locks=0 for search.  If the
extent item happens to be the last item in the leaf, we then change to
keep_locks=1 for the second search to reduce lock contention.

Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Robbie Ko <robbieko@synology.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2024-11-11 14:34:19 +01:00
..
tests btrfs: tests: implement case for partial RAID stripe-tree delete 2024-11-11 14:34:19 +01:00
accessors.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
accessors.h move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
acl.c
acl.h
async-thread.c
async-thread.h
backref.c btrfs: drop the backref cache during relocation if we commit 2024-10-01 19:10:26 +02:00
backref.h
bio.c btrfs: split out CONFIG_BTRFS_EXPERIMENTAL from CONFIG_BTRFS_DEBUG 2024-11-11 14:34:12 +01:00
bio.h btrfs: fix error propagation of split bios 2024-10-23 18:17:43 +02:00
block-group.c btrfs: correct typos in multiple comments across various files 2024-11-11 14:34:14 +01:00
block-group.h btrfs: constify more pointer parameters 2024-09-10 16:51:22 +02:00
block-rsv.c btrfs: constify more pointer parameters 2024-09-10 16:51:22 +02:00
block-rsv.h btrfs: constify more pointer parameters 2024-09-10 16:51:22 +02:00
btrfs_inode.h btrfs: drop unused parameter file_offset from btrfs_encoded_read_regular_fill_pages() 2024-11-11 14:34:16 +01:00
compression.c btrfs: use filemap_get_folio() helper 2024-11-11 14:34:19 +01:00
compression.h btrfs: lzo: drop unused paramter level from lzo_alloc_workspace() 2024-11-11 14:34:16 +01:00
ctree.c btrfs: remove local generation variable from read_block_for_search() 2024-11-11 14:34:18 +01:00
ctree.h btrfs: fix race setting file private on concurrent lseek using same fd 2024-09-17 17:31:48 +02:00
defrag.c btrfs: fix defrag not merging contiguous extents due to merged extent maps 2024-10-31 16:46:41 +01:00
defrag.h btrfs: drop transaction parameter from btrfs_add_inode_defrag() 2024-09-10 16:51:19 +02:00
delalloc-space.c btrfs: constify pointer parameters where applicable 2024-07-11 15:33:22 +02:00
delalloc-space.h btrfs: constify pointer parameters where applicable 2024-07-11 15:33:22 +02:00
delayed-inode.c btrfs: pass a btrfs_inode to btrfs_readdir_get_delayed_items() 2024-07-11 15:33:28 +02:00
delayed-inode.h btrfs: pass a btrfs_inode to btrfs_readdir_get_delayed_items() 2024-07-11 15:33:28 +02:00
delayed-ref.c btrfs: qgroups: remove bytenr field from struct btrfs_qgroup_extent_record 2024-11-11 14:34:13 +01:00
delayed-ref.h btrfs: use sector numbers as keys for the dirty extents xarray 2024-10-11 18:33:35 +02:00
dev-replace.c btrfs: correct typos in multiple comments across various files 2024-11-11 14:34:14 +01:00
dev-replace.h
dir-item.c btrfs: drop unused parameter fs_info from btrfs_match_dir_item_name() 2024-11-11 14:34:17 +01:00
dir-item.h btrfs: drop unused parameter fs_info from btrfs_match_dir_item_name() 2024-11-11 14:34:17 +01:00
direct-io.c btrfs: drop unused parameter iov_iter from btrfs_write_check() 2024-11-11 14:34:16 +01:00
direct-io.h btrfs: move the direct IO code into its own file 2024-07-11 15:33:29 +02:00
discard.c btrfs: constify more pointer parameters 2024-09-10 16:51:22 +02:00
discard.h
disk-io.c btrfs: rename extent map shrinker members from struct btrfs_fs_info 2024-11-11 14:34:17 +01:00
disk-io.h btrfs: drop unused parameter options from open_ctree() 2024-11-11 14:34:17 +01:00
export.c btrfs: remove super block argument from btrfs_iget() 2024-07-11 15:33:25 +02:00
export.h
extent-io-tree.c btrfs: introduce EXTENT_DIO_LOCKED 2024-09-10 16:51:20 +02:00
extent-io-tree.h btrfs: introduce EXTENT_DIO_LOCKED 2024-09-10 16:51:20 +02:00
extent-tree.c btrfs: reduce extent tree lock contention when searching for inline backref 2024-11-11 14:34:19 +01:00
extent-tree.h btrfs: do not BUG_ON() when freeing tree block after error 2024-07-11 15:33:26 +02:00
extent_io.c btrfs: use filemap_get_folio() helper 2024-11-11 14:34:19 +01:00
extent_io.h btrfs: convert try_release_extent_mapping() to take a folio 2024-09-10 16:51:21 +02:00
extent_map.c btrfs: rename extent map shrinker members from struct btrfs_fs_info 2024-11-11 14:34:17 +01:00
extent_map.h btrfs: make the extent map shrinker run asynchronously as a work queue job 2024-11-11 14:34:17 +01:00
fiemap.c btrfs: correct typos in multiple comments across various files 2024-11-11 14:34:14 +01:00
fiemap.h btrfs: move fiemap code into its own file 2024-07-11 15:33:20 +02:00
file-item.c btrfs: constify more pointer parameters 2024-09-10 16:51:22 +02:00
file-item.h btrfs: constify more pointer parameters 2024-09-10 16:51:22 +02:00
file.c btrfs: convert btrfs_buffered_write() to use folios 2024-11-11 14:34:19 +01:00
file.h btrfs: convert btrfs_buffered_write() to use folios 2024-11-11 14:34:19 +01:00
free-space-cache.c btrfs: convert btrfs_buffered_write() to use folios 2024-11-11 14:34:19 +01:00
free-space-cache.h btrfs: add cancellation points to trim loops 2024-10-07 23:21:56 +02:00
free-space-tree.c btrfs: do not BUG_ON() when freeing tree block after error 2024-07-11 15:33:26 +02:00
free-space-tree.h
fs.c
fs.h btrfs: rename extent map shrinker members from struct btrfs_fs_info 2024-11-11 14:34:17 +01:00
inode-item.c btrfs: constify more pointer parameters 2024-09-10 16:51:22 +02:00
inode-item.h btrfs: constify more pointer parameters 2024-09-10 16:51:22 +02:00
inode.c btrfs: use filemap_get_folio() helper 2024-11-11 14:34:19 +01:00
ioctl.c btrfs: drop unused parameter argp from btrfs_ioctl_quota_rescan_wait() 2024-11-11 14:34:16 +01:00
ioctl.h btrfs: constify pointer parameters where applicable 2024-07-11 15:33:22 +02:00
Kconfig btrfs: split out CONFIG_BTRFS_EXPERIMENTAL from CONFIG_BTRFS_DEBUG 2024-11-11 14:34:12 +01:00
locking.c btrfs: remove unused btrfs_try_tree_write_lock() 2024-11-11 14:34:14 +01:00
locking.h btrfs: remove unused btrfs_try_tree_write_lock() 2024-11-11 14:34:14 +01:00
lru_cache.c
lru_cache.h btrfs: cleanup recursive include of the same header 2024-07-11 15:33:22 +02:00
lzo.c btrfs: lzo: drop unused paramter level from lzo_alloc_workspace() 2024-11-11 14:34:16 +01:00
Makefile btrfs: tests: add selftests for raid-stripe-tree 2024-11-11 14:34:14 +01:00
messages.c btrfs: disable rate limiting when debug enabled 2024-10-01 19:29:41 +02:00
messages.h
misc.h btrfs: constify pointer parameters where applicable 2024-07-11 15:33:22 +02:00
ordered-data.c btrfs: add and use helper to verify the calling task has locked the inode 2024-09-10 16:51:22 +02:00
ordered-data.h btrfs: convert btrfs_mark_ordered_io_finished() to take a folio 2024-09-10 16:51:14 +02:00
orphan.c btrfs: BTRFS_PATH_AUTO_FREE in orphan.c 2024-09-10 16:51:22 +02:00
orphan.h
print-tree.c btrfs: avoid using fixed char array size for tree names 2024-08-02 22:44:27 +02:00
print-tree.h
props.c btrfs: pass a btrfs_inode to btrfs_set_prop() 2024-07-11 15:33:29 +02:00
props.h btrfs: pass a btrfs_inode to btrfs_set_prop() 2024-07-11 15:33:29 +02:00
qgroup.c btrfs: remove redundant initializations for struct btrfs_tree_parent_check 2024-11-11 14:34:18 +01:00
qgroup.h btrfs: drop unused transaction parameter from btrfs_qgroup_add_swapped_blocks() 2024-11-11 14:34:16 +01:00
raid-stripe-tree.c btrfs: implement partial deletion of RAID stripe extents 2024-11-11 14:34:19 +01:00
raid-stripe-tree.h btrfs: tests: add selftests for raid-stripe-tree 2024-11-11 14:34:14 +01:00
raid56.c btrfs: make assert_rbio() to only check CONFIG_BTRFS_ASSERT 2024-11-11 14:34:12 +01:00
raid56.h
rcu-string.h
ref-verify.c btrfs: fix uninitialized return value in the ref-verify tool 2024-07-02 19:14:57 +02:00
ref-verify.h
reflink.c btrfs: convert copy_inline_to_page() to use folio 2024-09-10 16:51:21 +02:00
reflink.h
relocation.c btrfs: drop unused transaction parameter from btrfs_qgroup_add_swapped_blocks() 2024-11-11 14:34:16 +01:00
relocation.h
root-tree.c
root-tree.h
scrub.c btrfs: drop unused parameter map from scrub_simple_mirror() 2024-11-11 14:34:16 +01:00
scrub.h
send.c btrfs: drop unused parameter fs_info from btrfs_match_dir_item_name() 2024-11-11 14:34:17 +01:00
send.h btrfs: split out CONFIG_BTRFS_EXPERIMENTAL from CONFIG_BTRFS_DEBUG 2024-11-11 14:34:12 +01:00
space-info.c btrfs: drop unused parameter fs_info from do_reclaim_sweep() 2024-11-11 14:34:15 +01:00
space-info.h btrfs: constify more pointer parameters 2024-09-10 16:51:22 +02:00
subpage.c btrfs: rename btrfs_folio_(set|start|end)_writer_lock() 2024-11-11 14:34:18 +01:00
subpage.h btrfs: rename btrfs_folio_(set|start|end)_writer_lock() 2024-11-11 14:34:18 +01:00
super.c btrfs: re-enable the extent map shrinker 2024-11-11 14:34:18 +01:00
super.h btrfs: change BTRFS_MOUNT_* flags to 64bit type 2024-07-19 17:20:23 +02:00
sysfs.c btrfs: split out CONFIG_BTRFS_EXPERIMENTAL from CONFIG_BTRFS_DEBUG 2024-11-11 14:34:12 +01:00
sysfs.h
transaction.c btrfs: qgroup: use xarray to track dirty extents in transaction 2024-09-10 16:51:18 +02:00
transaction.h btrfs: correct typos in multiple comments across various files 2024-11-11 14:34:14 +01:00
tree-checker.c btrfs: simplify arguments for btrfs_verify_level_key() 2024-11-11 14:34:18 +01:00
tree-checker.h btrfs: simplify arguments for btrfs_verify_level_key() 2024-11-11 14:34:18 +01:00
tree-log.c btrfs: drop unused parameter ctx from batch_delete_dir_index_items() 2024-11-11 14:34:15 +01:00
tree-log.h btrfs: avoid transaction commit on any fsync after subvolume creation 2024-07-11 15:33:24 +02:00
tree-mod-log.c btrfs: drop unused parameter path from btrfs_tree_mod_log_rewind() 2024-11-11 14:34:15 +01:00
tree-mod-log.h btrfs: drop unused parameter path from btrfs_tree_mod_log_rewind() 2024-11-11 14:34:15 +01:00
ulist.c btrfs: preallocate ulist memory for qgroup rsv 2024-07-11 15:33:26 +02:00
ulist.h btrfs: preallocate ulist memory for qgroup rsv 2024-07-11 15:33:26 +02:00
uuid-tree.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
uuid-tree.h btrfs: move uuid tree related code to uuid-tree.[ch] 2024-09-10 16:51:12 +02:00
verity.c btrfs: add and use helper to verify the calling task has locked the inode 2024-09-10 16:51:22 +02:00
verity.h
volumes.c btrfs: do not clear read-only when adding sprout device 2024-11-11 14:34:18 +01:00
volumes.h btrfs: remove unused btrfs_is_parity_mirror() 2024-11-11 14:34:14 +01:00
xattr.c btrfs: drop unused parameter fs_info from btrfs_match_dir_item_name() 2024-11-11 14:34:17 +01:00
xattr.h btrfs: constify pointer parameters where applicable 2024-07-11 15:33:22 +02:00
zlib.c btrfs: zlib: make the compression path to handle sector size < page size 2024-11-11 14:34:12 +01:00
zoned.c btrfs: correct typos in multiple comments across various files 2024-11-11 14:34:14 +01:00
zoned.h btrfs: constify more pointer parameters 2024-09-10 16:51:22 +02:00
zstd.c btrfs: zstd: assert the timer pointer in callback 2024-11-11 14:34:15 +01:00