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d845753170
linux/fs/btrfs
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Filipe Manana d845753170 btrfs: remove useless path release in the fast fsync path 
There's no point in calling btrfs_release_path() after finishing the loop
that logs the modified extents, since log_one_extent() returns with the
path released. In case the list of extents is empty, the path is already
released, so there's no need for that case as well.
So just remove that unnecessary btrfs_release_path() call.

This change if part of a patchset that is comprised of the following
patches:

  1/6 btrfs: remove unnecessary leaf free space checks when pushing items
  2/6 btrfs: avoid unnecessary COW of leaves when deleting items from a leaf
  3/6 btrfs: avoid unnecessary computation when deleting items from a leaf
  4/6 btrfs: remove constraint on number of visited leaves when replacing extents
  5/6 btrfs: remove useless path release in the fast fsync path
  6/6 btrfs: prepare extents to be logged before locking a log tree path

The last patch in the series has some performance test result in its
changelog.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2022-03-14 13:13:49 +01:00
..
tests btrfs: selftests: dump extent io tree if extent-io-tree test failed 2022-01-07 14:18:27 +01:00
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 2021-11-16 16:50:23 +01:00
async-thread.h
backref.c btrfs: stop accessing ->extent_root directly 2022-01-03 15:09:49 +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: add support for multiple global roots 2022-03-14 13:13:49 +01:00
block-group.h btrfs: add support for multiple global roots 2022-03-14 13:13:49 +01:00
block-rsv.c btrfs: reserve extra space for the free space tree 2022-01-07 14:18:25 +01:00
block-rsv.h btrfs: init root block_rsv at init root time 2022-01-03 15:09:48 +01:00
btrfs_inode.h btrfs: put initial index value of a directory in a constant 2022-03-14 13:13:46 +01:00
check-integrity.c btrfs: check-integrity: stop storing the block device name in btrfsic_dev_state 2021-10-26 19:08:07 +02:00
check-integrity.h
compression.c btrfs: remove unnecessary parameter type from compression_decompress_bio 2022-01-07 14:18:27 +01:00
compression.h btrfs: replace BUILD_BUG_ON by static_assert 2022-03-14 13:13:49 +01:00
ctree.c btrfs: avoid unnecessary computation when deleting items from a leaf 2022-03-14 13:13:49 +01:00
ctree.h btrfs: replace BUILD_BUG_ON by static_assert 2022-03-14 13:13:49 +01:00
delalloc-space.c btrfs: change root to fs_info for btrfs_reserve_metadata_bytes 2022-01-03 15:09:45 +01:00
delalloc-space.h
delayed-inode.c btrfs: add an inode-item.h 2022-01-07 14:18:23 +01:00
delayed-inode.h btrfs: make btrfs_delayed_update_inode take btrfs_inode 2020-12-08 15:54:10 +01:00
delayed-ref.c btrfs: reserve extra space for the free space tree 2022-01-07 14:18:25 +01:00
delayed-ref.h btrfs: make btrfs_ref::real_root optional 2021-10-26 19:08:06 +02:00
dev-replace.c btrfs: add device major-minor info in the struct btrfs_device 2022-03-14 13:13:47 +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: drop the _nr from the item helpers 2022-01-03 15:09:43 +01:00
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: add support for multiple global roots 2022-03-14 13:13:49 +01:00
disk-io.h btrfs: add code to support the block group root 2022-03-14 13:13:48 +01:00
export.c btrfs: locking: rip out path->leave_spinning 2020-12-08 15:54:02 +01:00
export.h
extent_io.c btrfs: stop checking for NULL return from btrfs_get_extent_fiemap() 2022-03-14 13:13:49 +01:00
extent_io.h btrfs: cleanup for extent_write_locked_range() 2021-10-26 19:08:04 +02:00
extent_map.c btrfs: defrag: don't use merged extent map for their generation check 2022-02-23 17:43:13 +01:00
extent_map.h btrfs: defrag: don't use merged extent map for their generation check 2022-02-23 17:43:13 +01:00
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: zoned: remove redundant initialization of to_add 2022-03-14 13:13:47 +01:00
file-item.c btrfs: stop accessing ->csum_root directly 2022-01-03 15:09:49 +01:00
file.c btrfs: remove constraint on number of visited leaves when replacing extents 2022-03-14 13:13:49 +01:00
free-space-cache.c btrfs: add inode to truncate control 2022-01-07 14:18:24 +01:00
free-space-cache.h btrfs: change name and type of private member of btrfs_free_space_ctl 2022-01-03 15:09:50 +01:00
free-space-tree.c btrfs: add support for multiple global roots 2022-03-14 13:13:49 +01:00
free-space-tree.h
inode-item.c btrfs: make should_throttle loop local in btrfs_truncate_inode_items 2022-01-07 14:18:25 +01:00
inode-item.h btrfs: add inode to truncate control 2022-01-07 14:18:24 +01:00
inode.c btrfs: replace BUILD_BUG_ON by static_assert 2022-03-14 13:13:49 +01:00
ioctl.c btrfs: replace BUILD_BUG_ON by static_assert 2022-03-14 13:13:49 +01:00
Kconfig btrfs: use generic Kconfig option for 256kB page size limit 2022-01-20 08:52:55 +02:00
locking.c btrfs: fix typos in comments 2021-06-22 14:11:57 +02:00
locking.h btrfs: assert that extent buffers are write locked instead of only locked 2021-10-26 19:08:02 +02:00
lzo.c btrfs: prevent copying too big compressed lzo segment 2022-02-15 19:59:09 +01:00
Makefile btrfs: remove reada infrastructure 2022-01-07 14:18:26 +01:00
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: add code to support the block group root 2022-03-14 13:13:48 +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: change root to fs_info for btrfs_reserve_metadata_bytes 2022-01-03 15:09:45 +01:00
props.h
qgroup.c btrfs: disable qgroups in extent tree v2 2022-03-14 13:13:48 +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: remove btrfs_raid_bio::fs_info member 2021-10-26 19:08:03 +02:00
raid56.h btrfs: remove btrfs_raid_bio::fs_info member 2021-10-26 19:08:03 +02:00
rcu-string.h
ref-verify.c btrfs: stop accessing ->extent_root directly 2022-01-03 15:09:49 +01:00
ref-verify.h
reflink.c btrfs: drop the _nr from the item helpers 2022-01-03 15:09:43 +01:00
reflink.h
relocation.c btrfs: do not start relocation until in progress drops are done 2022-03-02 16:52:39 +01:00
root-tree.c btrfs: do not start relocation until in progress drops are done 2022-03-02 16:52:39 +01:00
scrub.c btrfs: scrub: remove redundant initialization of increment 2022-03-14 13:13:47 +01:00
send.c btrfs: send: remove redundant ret variable in fs_path_copy 2022-03-14 13:13:47 +01:00
send.h btrfs: reuse existing inode from btrfs_ioctl 2022-03-14 13:13:46 +01:00
space-info.c btrfs: fix argument list that the kdoc format and script verified 2022-01-07 14:18:27 +01:00
space-info.h btrfs: change root to fs_info for btrfs_reserve_metadata_bytes 2022-01-03 15:09:45 +01:00
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 wrong check on subpage->writers 2022-03-02 16:51:39 +01:00
subpage.h btrfs: rework page locking in __extent_writepage() 2021-10-26 19:08:05 +02:00
super.c btrfs: disable space cache related mount options for extent tree v2 2022-03-14 13:13:48 +01:00
sysfs.c btrfs: replace BUILD_BUG_ON by static_assert 2022-03-14 13:13:49 +01:00
sysfs.h btrfs: split and refactor btrfs_sysfs_remove_devices_dir 2020-10-07 12:12:21 +02:00
transaction.c btrfs: add support for multiple global roots 2022-03-14 13:13:49 +01:00
transaction.h btrfs: do not start relocation until in progress drops are done 2022-03-02 16:52:39 +01:00
tree-checker.c btrfs: add support for multiple global roots 2022-03-14 13:13:49 +01:00
tree-checker.h
tree-defrag.c btrfs: remove unnecessary extent root check in btrfs_defrag_leaves 2022-01-03 15:09:48 +01:00
tree-log.c btrfs: remove useless path release in the fast fsync path 2022-03-14 13:13:49 +01:00
tree-log.h btrfs: avoid inode logging during rename and link when possible 2022-03-14 13:13:48 +01:00
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: drop the _nr from the item helpers 2022-01-03 15:09:43 +01:00
verity.c btrfs: drop the _nr from the item helpers 2022-01-03 15:09:43 +01:00
volumes.c btrfs: disable device manipulation ioctl's EXTENT_TREE_V2 2022-03-14 13:13:48 +01:00
volumes.h btrfs: add device major-minor info in the struct btrfs_device 2022-03-14 13:13:47 +01:00
xattr.c btrfs: drop the _nr from the item helpers 2022-01-03 15:09:43 +01:00
xattr.h
zlib.c Revert "btrfs: compression: drop kmap/kunmap from zlib" 2021-10-29 13:03:05 +02:00
zoned.c btrfs: zoned: remove redundant assignment in btrfs_check_zoned_mode 2022-03-14 13:13:49 +01:00
zoned.h btrfs: zoned: fix chunk allocation condition for zoned allocator 2022-01-07 14:18:26 +01:00
zstd.c lib: zstd: Add kernel-specific API 2021-11-08 16:55:21 -08:00