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Qu Wenruo d49a2ddb15 btrfs: block-group: Reuse the item key from caller of read_one_block_group() 
For read_one_block_group(), its only caller has already got the item key
to search next block group item.

So we can use that key directly without doing our own convertion on
stack.

Also, since that key used in btrfs_read_block_groups() is vital for
block group item search, add 'const' keyword for that parameter to
prevent read_one_block_group() to modify it.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2019-11-18 17:51:50 +01:00
..
tests
btrfs: add dedicated members for start and length of a block group
2019-11-18 17:51:45 +01:00
acl.c
btrfs: cleanup btrfs_setxattr_trans and drop transaction parameter
2019-04-29 19:02:44 +02:00
async-thread.c
btrfs: add __pure attribute to functions
2019-11-18 12:46:52 +01:00
async-thread.h
btrfs: add __pure attribute to functions
2019-11-18 12:46:52 +01:00
backref.c
Btrfs: fix deadlock between fiemap and transaction commits
2019-07-30 18:25:12 +02:00
backref.h
btrfs: fiemap: preallocate ulists for btrfs_check_shared
2019-07-01 13:34:53 +02:00
block-group.c
btrfs: block-group: Reuse the item key from caller of read_one_block_group()
2019-11-18 17:51:50 +01:00
block-group.h
btrfs: add dedicated members for start and length of a block group
2019-11-18 17:51:45 +01:00
block-rsv.c
btrfs: use btrfs_try_granting_tickets in update_global_rsv
2019-09-09 14:59:19 +02:00
block-rsv.h
btrfs: migrate the global_block_rsv helpers to block-rsv.c
2019-07-02 12:30:55 +02:00
btrfs_inode.h
Btrfs: remove unnecessary delalloc mutex for inodes
2019-11-18 17:51:46 +01:00
check-integrity.c
btrfs: reduce stack usage for btrfsic_process_written_block
2019-09-09 14:58:58 +02:00
check-integrity.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
compression.c
btrfs: compression: remove ops pointer from workspace_manager
2019-11-18 12:46:59 +01:00
compression.h
btrfs: compression: remove ops pointer from workspace_manager
2019-11-18 12:46:59 +01:00
ctree.c
btrfs: add blake2b to checksumming algorithms
2019-11-18 17:51:44 +01:00
ctree.h
btrfs: add incompat for raid1 with 3, 4 copies
2019-11-18 17:51:49 +01:00
delalloc-space.c
Btrfs: remove unnecessary delalloc mutex for inodes
2019-11-18 17:51:46 +01:00
delalloc-space.h
btrfs: migrate the delalloc space stuff to it's own home
2019-07-04 17:26:17 +02:00
delayed-inode.c
btrfs: use refcount_inc_not_zero in kill_all_nodes
2019-11-18 12:46:51 +01:00
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: rename btrfs_space_info_add_old_bytes
2019-09-09 14:59:18 +02:00
delayed-ref.h
btrfs: migrate the delayed refs rsv code
2019-07-04 17:26:17 +02:00
dev-replace.c
btrfs: add __pure attribute to functions
2019-11-18 12:46:52 +01:00
dev-replace.h
btrfs: add __pure attribute to functions
2019-11-18 12:46:52 +01:00
dir-item.c
btrfs: remove unused parameter fs_info from btrfs_extend_item
2019-04-29 19:02:50 +02:00
disk-io.c
btrfs: Streamline btrfs_fs_info::backup_root_index semantics
2019-11-18 17:51:47 +01:00
disk-io.h
btrfs: add __cold attribute to more functions
2019-11-18 12:46:52 +01:00
export.c
btrfs: drop unused parameter is_new from btrfs_iget
2019-11-18 12:46:52 +01:00
export.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
extent_io.c
btrfs: sink write_flags to __extent_writepage_io
2019-11-18 17:51:48 +01:00
extent_io.h
btrfs: opencode extent_buffer_get
2019-11-18 12:46:54 +01:00
extent_map.c
btrfs: assert extent_map bdevs and lookup_map and split
2019-11-18 12:47:01 +01:00
extent_map.h
btrfs: assert extent_map bdevs and lookup_map and split
2019-11-18 12:47:01 +01:00
extent-io-tree.h
btrfs: move the failrec tree stuff into extent-io-tree.h
2019-11-18 12:46:47 +01:00
extent-tree.c
btrfs: Ensure we trim ranges across block group boundary
2019-11-18 17:51:48 +01:00
file-item.c
btrfs: directly call into crypto framework for checksumming
2019-07-01 13:35:02 +02:00
file.c
btrfs: Return offset from find_desired_extent
2019-11-18 12:47:00 +01:00
free-space-cache.c
btrfs: add dedicated members for start and length of a block group
2019-11-18 17:51:45 +01:00
free-space-cache.h
btrfs: move struct io_ctl to free-space-cache.h
2019-09-09 14:59:15 +02:00
free-space-tree.c
btrfs: add dedicated members for start and length of a block group
2019-11-18 17:51:45 +01:00
free-space-tree.h
btrfs: move basic block_group definitions to their own header
2019-09-09 14:59:03 +02:00
inode-item.c
btrfs: Make btrfs_find_name_in_ext_backref return struct btrfs_inode_extref
2019-09-09 14:59:16 +02:00
inode-map.c
btrfs: qgroup: Always free PREALLOC META reserve in btrfs_delalloc_release_extents()
2019-10-15 18:50:07 +02:00
inode-map.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
inode.c
btrfs: sink write flags to cow_file_range_async
2019-11-18 17:51:49 +01:00
ioctl.c
btrfs: add dedicated members for start and length of a block group
2019-11-18 17:51:45 +01:00
Kconfig
btrfs: add sha256 to checksumming algorithm
2019-11-18 17:51:43 +01:00
locking.c
btrfs: document extent buffer locking
2019-11-18 17:51:50 +01:00
locking.h
btrfs: move btrfs_unlock_up_safe to other locking functions
2019-11-18 12:46:49 +01:00
lzo.c
btrfs: compression: inline free_workspace
2019-11-18 12:46:59 +01:00
Makefile
btrfs: migrate the block group lookup code
2019-09-09 14:59:04 +02:00
misc.h
btrfs: add 64bit safe helper for power of two checks
2019-11-18 12:46:50 +01:00
ordered-data.c
btrfs: get rid of unique workqueue helper functions
2019-11-18 12:46:48 +01:00
ordered-data.h
btrfs: don't assume ordered sums to be 4 bytes
2019-07-01 13:35:00 +02:00
orphan.c
btrfs: replace GPL boilerplate by SPDX -- sources
2018-04-12 16:29:51 +02:00
print-tree.c
btrfs: rename extent buffer block group item accessors
2019-11-18 17:51:45 +01:00
print-tree.h
btrfs: print-tree: debugging output enhancement
2018-04-20 19:18:16 +02:00
props.c
btrfs: props: remove unnecessary hash_init()
2019-11-18 12:46:55 +01:00
props.h
btrfs: delete unused function btrfs_set_prop_trans
2019-04-29 19:02:54 +02:00
qgroup.c
btrfs: opencode extent_buffer_get
2019-11-18 12:46:54 +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
btrfs: remove pointless local variable in lock_stripe_add()
2019-11-18 12:47:00 +01:00
raid56.h
btrfs: constify map parameter for nr_parity_stripes and nr_data_stripes
2019-07-01 13:34:58 +02:00
rcu-string.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
reada.c
btrfs: add dedicated members for start and length of a block group
2019-11-18 17:51:45 +01:00
ref-verify.c
btrfs: fix uninitialized ret in ref-verify
2019-10-03 15:00:56 +02:00
ref-verify.h
btrfs: ref-verify: Use btrfs_ref to refactor btrfs_ref_tree_mod()
2019-04-29 19:02:49 +02:00
relocation.c
btrfs: add dedicated members for start and length of a block group
2019-11-18 17:51:45 +01:00
root-tree.c
btrfs: rename the btrfs_calc_*_metadata_size helpers
2019-09-09 14:59:13 +02:00
scrub.c
btrfs: clean up locking name in scrub_enumerate_chunks()
2019-11-18 17:51:47 +01:00
send.c
Btrfs: send, skip backreference walking for extents with many references
2019-11-18 17:51:48 +01:00
send.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
space-info.c
Btrfs: remove wait queue from space_info structure
2019-11-18 17:51:46 +01:00
space-info.h
Btrfs: remove wait queue from space_info structure
2019-11-18 17:51:46 +01:00
struct-funcs.c
btrfs: tie extent buffer and it's token together
2019-09-09 14:59:16 +02:00
super.c
btrfs: add support for 4-copy replication (raid1c4)
2019-11-18 17:51:49 +01:00
sysfs.c
btrfs: add incompat for raid1 with 3, 4 copies
2019-11-18 17:51:49 +01:00
sysfs.h
btrfs: sysfs: move helper macros to sysfs.c
2019-09-09 14:59:08 +02:00
transaction.c
btrfs: Rename btrfs_join_transaction_nolock
2019-11-18 12:46:54 +01:00
transaction.h
btrfs: Rename btrfs_join_transaction_nolock
2019-11-18 12:46:54 +01:00
tree-checker.c
btrfs: tree-checker: Check item size before reading file extent type
2019-11-18 17:51:48 +01:00
tree-checker.h
btrfs: get fs_info from eb in btrfs_check_chunk_valid
2019-04-29 19:02:39 +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: opencode extent_buffer_get
2019-11-18 12:46:54 +01:00
tree-log.h
btrfs: get fs_info from trans in btrfs_set_log_full_commit
2019-04-29 19:02:41 +02:00
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: remove unused parameter fs_info from btrfs_extend_item
2019-04-29 19:02:50 +02:00
volumes.c
btrfs: add incompat for raid1 with 3, 4 copies
2019-11-18 17:51:49 +01:00
volumes.h
btrfs: add support for 4-copy replication (raid1c4)
2019-11-18 17:51:49 +01:00
xattr.c
Btrfs: fix failure to persist compression property xattr deletion on fsync
2019-06-17 16:37:17 +02:00
xattr.h
btrfs: cleanup btrfs_setxattr_trans and drop transaction parameter
2019-04-29 19:02:44 +02:00
zlib.c
btrfs: compression: inline free_workspace
2019-11-18 12:46:59 +01:00
zstd.c
btrfs: compression: inline free_workspace
2019-11-18 12:46:59 +01:00