AcoSail/kernel_optimize_test
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921fdc45a0
kernel_optimize_test/fs/btrfs
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Nathan Chancellor 921fdc45a0 btrfs: remove unused variable in btrfs_{start,write}_dirty_block_groups() 
commit 6d4a6b515c39f1f8763093e0f828959b2fbc2f45 upstream.

Clang's version of -Wunused-but-set-variable recently gained support for
unary operations, which reveals two unused variables:

  fs/btrfs/block-group.c:2949:6: error: variable 'num_started' set but not used [-Werror,-Wunused-but-set-variable]
          int num_started = 0;
              ^
  fs/btrfs/block-group.c:3116:6: error: variable 'num_started' set but not used [-Werror,-Wunused-but-set-variable]
          int num_started = 0;
              ^
  2 errors generated.

These variables appear to be unused from their introduction, so just
remove them to silence the warnings.

Fixes: c9dc4c6578 ("Btrfs: two stage dirty block group writeout")
Fixes: 1bbc621ef2 ("Btrfs: allow block group cache writeout outside critical section in commit")
CC: stable@vger.kernel.org # 5.4+
Link: https://github.com/ClangBuiltLinux/linux/issues/1614
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-20 09:23:10 +02:00
..
tests btrfs: fix missing delalloc new bit for new delalloc ranges 2020-11-13 22:15:59 +01:00
acl.c
async-thread.c btrfs: fix memory ordering between normal and ordered work functions 2021-11-26 10:39:20 +01:00
async-thread.h
backref.c btrfs: remove BUG_ON(!eie) in find_parent_nodes 2022-01-27 10:54:19 +01:00
backref.h btrfs: add asserts for deleting backref cache nodes 2021-03-04 11:38:29 +01:00
block-group.c btrfs: remove unused variable in btrfs_{start,write}_dirty_block_groups() 2022-04-20 09:23:10 +02:00
block-group.h btrfs: fix race between writes to swap files and scrub 2021-03-09 11:11:11 +01:00
block-rsv.c btrfs: print the block rsv type when we fail our reservation 2020-11-05 13:02:05 +01:00
block-rsv.h
btrfs_inode.h btrfs: fix race between marking inode needs to be logged and log syncing 2021-09-03 10:09:28 +02:00
check-integrity.c
check-integrity.h
compression.c btrfs: mark compressed range uptodate only if all bio succeed 2021-08-04 12:46:39 +02:00
compression.h btrfs: compression: move declarations to header 2020-10-07 12:06:55 +02:00
ctree.c btrfs: check the root node for uptodate before returning it 2022-01-27 10:54:27 +01:00
ctree.h btrfs: fix race between writes to swap files and scrub 2021-03-09 11:11:11 +01:00
delalloc-space.c btrfs: add btrfs_reserve_data_bytes and use it 2020-10-07 12:06:52 +02:00
delalloc-space.h
delayed-inode.c btrfs: abort transaction if we fail to update the delayed inode 2021-07-14 16:55:55 +02:00
delayed-inode.h
delayed-ref.c btrfs: account for new extents being deleted in total_bytes_pinned 2021-03-04 11:38:30 +01:00
delayed-ref.h btrfs: handle space_info::total_bytes_pinned inside the delayed ref itself 2021-03-04 11:38:30 +01:00
dev-replace.c btrfs: fix deadlock when cloning inline extent and low on free metadata space 2021-01-17 14:16:54 +01:00
dev-replace.h
dir-item.c
discard.c btrfs: merge critical sections of discard lock in workfn 2021-01-19 18:27:24 +01:00
discard.h
disk-io.c btrfs: fix double free of anon_dev after failure to create subvolume 2021-12-22 09:30:57 +01:00
disk-io.h btrfs: add a helper to read the tree_root commit root for backref lookup 2020-10-26 15:04:57 +01:00
export.c
export.h
extent_io.c btrfs: clear extent buffer uptodate when we fail to write it 2021-12-14 11:32:38 +01:00
extent_io.h btrfs: fix qgroup reserve overflow the qgroup limit 2022-04-13 21:01:08 +02:00
extent_map.c
extent_map.h
extent-io-tree.h btrfs: remove struct extent_io_ops 2020-10-07 12:13:25 +02:00
extent-tree.c btrfs: unlock newly allocated extent buffer after error 2021-10-20 11:44:59 +02:00
file-item.c btrfs: replace BUG_ON() in btrfs_csum_one_bio() with proper error handling 2021-10-09 14:40:56 +02:00
file.c btrfs: fix abort logic in btrfs_replace_file_extents 2021-10-20 11:44:59 +02:00
free-space-cache.c btrfs: fix race between extent freeing/allocation when using bitmaps 2021-03-09 11:11:11 +01:00
free-space-cache.h
free-space-tree.c btrfs: fix possible free space tree corruption with online conversion 2021-02-03 23:28:40 +01:00
free-space-tree.h
inode-item.c
inode-map.c
inode-map.h
inode.c btrfs: prevent subvol with swapfile from being deleted 2022-04-13 21:01:08 +02:00
ioctl.c fsnotify: invalidate dcache before IN_DELETE event 2022-02-01 17:25:48 +01:00
Kconfig btrfs: disable build on platforms having page size 256K 2021-07-14 16:55:56 +02:00
locking.c btrfs: add nesting tags to the locking helpers 2020-10-07 12:12:16 +02:00
locking.h btrfs: introduce BTRFS_NESTING_NEW_ROOT for adding new roots 2020-10-07 12:12:17 +02:00
lzo.c
Makefile
misc.h
ordered-data.c btrfs: remove inode argument from btrfs_start_ordered_extent 2020-10-07 12:13:22 +02:00
ordered-data.h btrfs: remove inode argument from btrfs_start_ordered_extent 2020-10-07 12:13:22 +02:00
orphan.c
print-tree.c btrfs: print the actual offset in btrfs_root_name 2021-01-27 11:55:06 +01:00
print-tree.h btrfs: print the actual offset in btrfs_root_name 2021-01-27 11:55:06 +01:00
props.c
props.h
qgroup.c btrfs: qgroup: fix deadlock between rescan worker and remove qgroup 2022-03-08 19:09:38 +01:00
qgroup.h btrfs: export and rename qgroup_reserve_meta 2021-03-11 14:17:22 +01:00
raid56.c treewide: Change list_sort to use const pointers 2021-09-30 10:11:04 +02:00
raid56.h
rcu-string.h
reada.c btrfs: fix readahead hang and use-after-free after removing a device 2020-10-26 15:03:59 +01:00
ref-verify.c btrfs: ref-verify: fix memory leak in btrfs_ref_tree_mod 2020-11-05 13:03:39 +01:00
ref-verify.h
reflink.c btrfs: fix unexpected error path when reflinking an inline extent 2022-04-08 14:40:04 +02:00
reflink.h
relocation.c btrfs: convert logic BUG_ON()'s in replace_path to ASSERT()'s 2021-05-11 14:47:22 +02:00
root-tree.c btrfs: replace the BUG_ON in btrfs_del_root_ref with proper error handling 2021-12-14 11:32:38 +01:00
scrub.c btrfs: fix race between writes to swap files and scrub 2021-03-09 11:11:11 +01:00
send.c btrfs: send: in case of IO error log it 2022-02-23 12:00:58 +01:00
send.h btrfs: send: avoid copying file data 2020-10-07 12:13:17 +02:00
space-info.c btrfs: prevent __btrfs_dump_space_info() to underflow its free space 2021-09-30 10:11:00 +02:00
space-info.h btrfs: handle space_info::total_bytes_pinned inside the delayed ref itself 2021-03-04 11:38:30 +01:00
struct-funcs.c btrfs: use unaligned helpers for stack and header set/get helpers 2020-10-07 12:13:23 +02:00
super.c btrfs: fix transaction leak and crash after RO remount caused by qgroup rescan 2021-01-19 18:27:24 +01:00
sysfs.c btrfs: sysfs: fix format string for some discard stats 2021-07-14 16:55:55 +02:00
sysfs.h btrfs: split and refactor btrfs_sysfs_remove_devices_dir 2020-10-07 12:12:21 +02:00
transaction.c btrfs: clear defrag status of a root if starting transaction fails 2021-07-14 16:55:40 +02:00
transaction.h btrfs: fix race between marking inode needs to be logged and log syncing 2021-09-03 10:09:28 +02:00
tree-checker.c btrfs: tree-checker: check item_size for dev_item 2022-03-02 11:42:45 +01:00
tree-checker.h
tree-defrag.c
tree-log.c btrfs: add missing run of delayed items after unlink during log replay 2022-03-08 19:09:38 +01:00
tree-log.h btrfs: make fast fsyncs wait only for writeback 2020-10-07 12:06:56 +02:00
ulist.c
ulist.h
uuid-tree.c
volumes.c btrfs: update device path inode time instead of bd_inode 2021-11-26 10:39:22 +01:00
volumes.h btrfs: fix lockdep warning due to seqcount_mutex on 32bit arch 2021-02-03 23:28:40 +01:00
xattr.c btrfs: fix warning when creating a directory with smack enabled 2021-03-09 11:11:12 +01:00
xattr.h
zlib.c
zstd.c