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Dennis Zhou 9ddf648f9c btrfs: keep track of discard reuse stats 
Keep track of how much we are discarding and how often we are reusing
with async discard. The discard_*_bytes values don't need any special
protection because the work item provides the single threaded access.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Dennis Zhou <dennis@kernel.org>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2020-01-20 16:41:00 +01:00
..
tests
btrfs: drop create parameter to btrfs_get_extent()
2020-01-20 16:40:55 +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: handle empty block_group removal for async discard
2020-01-20 16:40:57 +01:00
block-group.h
btrfs: only keep track of data extents for async discard
2020-01-20 16:41:00 +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: remove superfluous BUG_ON() in integrity checks
2020-01-20 16:40:52 +01:00
check-integrity.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
compression.c
btrfs: get rid of at_offset parameter to btrfs_lookup_bio_sums()
2020-01-20 16:40:54 +01:00
compression.h
btrfs: compression: remove ops pointer from workspace_manager
2019-11-18 12:46:59 +01:00
ctree.c
Btrfs: fix removal logic of the tree mod log that leads to use-after-free issues
2019-12-13 14:09:25 +01:00
ctree.h
btrfs: keep track of discard reuse stats
2020-01-20 16:41:00 +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
discard.c
btrfs: keep track of discard reuse stats
2020-01-20 16:41:00 +01:00
discard.h
btrfs: have multiple discard lists
2020-01-20 16:41:00 +01:00
disk-io.c
btrfs: add the beginning of async discard, discard workqueue
2020-01-20 16:40:57 +01:00
disk-io.h
btrfs: drop create parameter to btrfs_get_extent()
2020-01-20 16:40:55 +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: simplify compressed/inline check in __extent_writepage_io()
2020-01-20 16:40:55 +01:00
extent_io.h
btrfs: drop create parameter to btrfs_get_extent()
2020-01-20 16:40:55 +01:00
extent_map.c
btrfs: remove extent_map::bdev
2019-11-18 23:43:44 +01:00
extent_map.h
btrfs: remove extent_map::bdev
2019-11-18 23:43:44 +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: calculate discard delay based on number of extents
2020-01-20 16:40:59 +01:00
file-item.c
btrfs: make btrfs_ordered_extent naming consistent with btrfs_file_extent_item
2020-01-20 16:40:54 +01:00
file.c
btrfs: drop create parameter to btrfs_get_extent()
2020-01-20 16:40:55 +01:00
free-space-cache.c
btrfs: keep track of discard reuse stats
2020-01-20 16:41:00 +01:00
free-space-cache.h
btrfs: have multiple discard lists
2020-01-20 16:41:00 +01:00
free-space-tree.c
btrfs: rename btrfs_block_group_cache
2019-11-18 17:51:51 +01:00
free-space-tree.h
btrfs: rename btrfs_block_group_cache
2019-11-18 17:51:51 +01:00
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: keep track of which extents have been discarded
2020-01-20 16:40:57 +01:00
inode-map.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
inode.c
btrfs: rename DISCARD mount option to to DISCARD_SYNC
2020-01-20 16:40:57 +01:00
ioctl.c
btrfs: drop create parameter to btrfs_get_extent()
2020-01-20 16:40:55 +01:00
Kconfig
btrfs: add Kconfig dependency for BLAKE2B
2019-12-09 17:56:06 +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: add the beginning of async discard, discard workqueue
2020-01-20 16:40:57 +01:00
misc.h
btrfs: add 64bit safe helper for power of two checks
2019-11-18 12:46:50 +01:00
ordered-data.c
btrfs: make btrfs_ordered_extent naming consistent with btrfs_file_extent_item
2020-01-20 16:40:54 +01:00
ordered-data.h
btrfs: make btrfs_ordered_extent naming consistent with btrfs_file_extent_item
2020-01-20 16:40:54 +01:00
orphan.c
btrfs: replace GPL boilerplate by SPDX -- sources
2018-04-12 16:29:51 +02:00
print-tree.c
btrfs: Remove unneeded semicolon
2020-01-20 16:40:55 +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: qgroup: return ENOTCONN instead of EINVAL when quotas are not enabled
2020-01-20 16:40:50 +01:00
qgroup.h
btrfs: rename btrfs_block_group_cache
2019-11-18 17:51:51 +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: rename btrfs_block_group_cache
2019-11-18 17:51:51 +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: make btrfs_ordered_extent naming consistent with btrfs_file_extent_item
2020-01-20 16:40:54 +01:00
root-tree.c
btrfs: do not delete mismatched root refs
2020-01-08 14:44:24 +01:00
scrub.c
btrfs: handle empty block_group removal for async discard
2020-01-20 16:40:57 +01:00
send.c
btrfs: send: remove WARN_ON for readonly mount
2019-12-13 14:10:46 +01:00
send.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
space-info.c
btrfs: don't pass system_chunk into can_overcommit
2020-01-20 16:40:52 +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 the beginning of async discard, discard workqueue
2020-01-20 16:40:57 +01:00
sysfs.c
btrfs: keep track of discard reuse stats
2020-01-20 16:41:00 +01:00
sysfs.h
btrfs: sysfs, merge btrfs_sysfs_add devices_kobj and fsid
2020-01-20 16:40:50 +01:00
transaction.c
btrfs: rename btrfs_block_group_cache
2019-11-18 17:51:51 +01:00
transaction.h
btrfs: Rename btrfs_join_transaction_nolock
2019-11-18 12:46:54 +01:00
tree-checker.c
btrfs: tree-checker: Verify location key for DIR_ITEM/DIR_INDEX
2020-01-20 16:40:56 +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: Remove redundant WARN_ON in walk_down_log_tree
2020-01-20 16:40:51 +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: handle ENOENT in btrfs_uuid_tree_iterate
2019-12-13 14:10:45 +01:00
volumes.c
btrfs: add the beginning of async discard, discard workqueue
2020-01-20 16:40:57 +01:00
volumes.h
btrfs: sysfs, rename devices kobject holder to devices_kobj
2020-01-20 16:40:49 +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