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David Sterba 4143cb8b6f btrfs: add const function attribute 
For some reason the attribute is called __attribute_const__ and not
__const, marks functions that have no observable effects on program
state, IOW not reading pointers, just the arguments and calculating a
value. Allows the compiler to do some optimizations, based on
-Wsuggest-attribute=const . The effects are rather small, though, about
60 bytes decrese of btrfs.ko.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2019-11-18 12:46:52 +01:00
..
tests Btrfs: fix selftests failure due to uninitialized i_mode in test inodes 2019-09-24 14:45:02 +02:00
acl.c
async-thread.c btrfs: get rid of pointless wtag variable in async-thread.c 2019-11-18 12:46:49 +01:00
async-thread.h btrfs: get rid of unique workqueue helper functions 2019-11-18 12:46:48 +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: get rid of unique workqueue helper functions 2019-11-18 12:46:48 +01:00
block-group.h btrfs: move struct io_ctl to free-space-cache.h 2019-09-09 14:59:15 +02:00
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 assumption about csum type form btrfs_print_data_csum_error() 2019-07-01 13:35:02 +02:00
check-integrity.c btrfs: reduce stack usage for btrfsic_process_written_block 2019-09-09 14:58:58 +02:00
check-integrity.h
compression.c btrfs: move cond_wake_up functions out of ctree 2019-09-09 14:59:15 +02:00
compression.h btrfs: compression: replace set_level callbacks by a common helper 2019-09-09 14:59:11 +02:00
ctree.c btrfs: move btrfs_unlock_up_safe to other locking functions 2019-11-18 12:46:49 +01:00
ctree.h btrfs: add const function attribute 2019-11-18 12:46:52 +01:00
delalloc-space.c Btrfs: fix qgroup double free after failure to reserve metadata for delalloc 2019-10-17 20:13:44 +02:00
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
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: move cond_wake_up functions out of ctree 2019-09-09 14:59:15 +02:00
dev-replace.h
dir-item.c
disk-io.c btrfs: add __cold attribute to more functions 2019-11-18 12:46:52 +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
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: refactor the ticket wakeup code 2019-09-09 14:59:18 +02:00
extent_io.c btrfs: move the failrec tree stuff into extent-io-tree.h 2019-11-18 12:46:47 +01:00
extent_io.h btrfs: move the failrec tree stuff into extent-io-tree.h 2019-11-18 12:46:47 +01:00
extent_map.c btrfs: assert extent map tree lock in add_extent_mapping 2019-09-09 14:59:00 +02:00
extent_map.h
file-item.c btrfs: directly call into crypto framework for checksumming 2019-07-01 13:35:02 +02:00
file.c btrfs: drop unused parameter is_new from btrfs_iget 2019-11-18 12:46:52 +01:00
free-space-cache.c btrfs: drop unused parameter is_new from btrfs_iget 2019-11-18 12:46:52 +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: move basic block_group definitions to their own header 2019-09-09 14:59:03 +02:00
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
inode.c btrfs: drop unused parameter is_new from btrfs_iget 2019-11-18 12:46:52 +01:00
ioctl.c btrfs: drop unused parameter is_new from btrfs_iget 2019-11-18 12:46:52 +01:00
Kconfig btrfs: Fix build error while LIBCRC32C is module 2019-07-17 17:03:30 +02:00
locking.c btrfs: move btrfs_unlock_up_safe to other locking functions 2019-11-18 12:46:49 +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: replace set_level callbacks by a common helper 2019-09-09 14:59:11 +02:00
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
print-tree.c btrfs: switch extent_buffer write_locks from atomic to int 2019-07-02 12:30:47 +02:00
print-tree.h
props.c btrfs: drop unused parameter is_new from btrfs_iget 2019-11-18 12:46:52 +01:00
props.h
qgroup.c btrfs: get rid of unique workqueue helper functions 2019-11-18 12:46:48 +01:00
qgroup.h
raid56.c btrfs: get rid of unique workqueue helper functions 2019-11-18 12:46:48 +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
reada.c btrfs: get rid of unique workqueue helper functions 2019-11-18 12:46:48 +01:00
ref-verify.c btrfs: fix uninitialized ret in ref-verify 2019-10-03 15:00:56 +02:00
ref-verify.h
relocation.c btrfs: drop unused parameter is_new from btrfs_iget 2019-11-18 12:46:52 +01:00
root-tree.c btrfs: rename the btrfs_calc_*_metadata_size helpers 2019-09-09 14:59:13 +02:00
scrub.c btrfs: get rid of unique workqueue helper functions 2019-11-18 12:46:48 +01:00
send.c btrfs: drop unused parameter is_new from btrfs_iget 2019-11-18 12:46:52 +01:00
send.h
space-info.c Btrfs: fix race leading to metadata space leak after task received signal 2019-10-25 19:11:34 +02:00
space-info.h btrfs: rename btrfs_space_info_add_old_bytes 2019-09-09 14:59:18 +02:00
struct-funcs.c btrfs: tie extent buffer and it's token together 2019-09-09 14:59:16 +02:00
super.c btrfs: add const function attribute 2019-11-18 12:46:52 +01:00
sysfs.c btrfs: sysfs: move helper macros to sysfs.c 2019-09-09 14:59:08 +02:00
sysfs.h btrfs: sysfs: move helper macros to sysfs.c 2019-09-09 14:59:08 +02:00
transaction.c btrfs: transaction: Cleanup unused TRANS_STATE_BLOCKED 2019-11-18 12:46:50 +01:00
transaction.h btrfs: transaction: Cleanup unused TRANS_STATE_BLOCKED 2019-11-18 12:46:50 +01:00
tree-checker.c btrfs: use has_single_bit_set for clarity 2019-11-18 12:46:50 +01:00
tree-checker.h
tree-defrag.c
tree-log.c btrfs: drop unused parameter is_new from btrfs_iget 2019-11-18 12:46:52 +01:00
tree-log.h
ulist.c
ulist.h
uuid-tree.c
volumes.c btrfs: add const function attribute 2019-11-18 12:46:52 +01:00
volumes.h btrfs: add const function attribute 2019-11-18 12:46:52 +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
zlib.c btrfs: compression: replace set_level callbacks by a common helper 2019-09-09 14:59:11 +02:00
zstd.c btrfs: move cond_wake_up functions out of ctree 2019-09-09 14:59:15 +02:00