linux/fs/btrfs
Chris Mason de3cb945db Btrfs: improve the delayed inode throttling
The delayed inode code batches up changes to the btree in hopes of doing
them in bulk.  As the changes build up, processes kick off worker
threads and wait for them to make progress.

The current code kicks off an async work queue item for each delayed
node, which creates a lot of churn.  It also uses a fixed 1 HZ waiting
period for the throttle, which allows us to build a lot of pending
work and can slow down the commit.

This changes us to watch a sequence counter as it is bumped during the
operations.  We kick off fewer work items and have each work item do
more work.

Signed-off-by: Chris Mason <chris.mason@fusionio.com>
2013-03-07 07:52:40 -05:00
..
acl.c Btrfs: skip adding an acl attribute if we don't have to 2012-12-16 20:46:15 -05:00
async-thread.c Btrfs: call the ordered free operation without any locks held 2012-07-25 16:15:07 -04:00
async-thread.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
backref.c Btrfs: fix backref walking race with tree deletions 2013-02-26 11:00:50 -05:00
backref.h Btrfs: move fs/btrfs/ioctl.h to include/uapi/linux/btrfs.h 2013-02-20 09:37:28 -05:00
btrfs_inode.h Btrfs: serialize unlocked dio reads with truncate 2013-02-20 12:59:47 -05:00
check-integrity.c btrfs: define BTRFS_MAGIC as a u64 value 2013-02-20 13:00:01 -05:00
check-integrity.h Btrfs: add optional integrity check code 2011-12-21 19:14:09 +01:00
compat.h
compression.c Btrfs: add rw argument to merge_bio_hook() 2013-02-01 11:49:47 -05:00
compression.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
ctree.c btrfs: remove cache only arguments from defrag path 2013-02-20 12:59:36 -05:00
ctree.h Btrfs: fix wrong reserved space in qgroup during snap/subv creation 2013-02-28 13:33:54 -05:00
delayed-inode.c Btrfs: improve the delayed inode throttling 2013-03-07 07:52:40 -05:00
delayed-inode.h Btrfs: improve the delayed inode throttling 2013-03-07 07:52:40 -05:00
delayed-ref.c Btrfs: make delayed ref lock logic more readable 2013-02-20 09:36:41 -05:00
delayed-ref.h Merge branch 'raid56-experimental' into for-linus-3.9 2013-02-20 14:06:05 -05:00
dev-replace.c Btrfs: check the return value of btrfs_start_delalloc_inodes() 2013-02-20 09:37:21 -05:00
dev-replace.h Btrfs: add new sources for device replace code 2012-12-12 17:15:41 -05:00
dir-item.c Btrfs: fix hash overflow handling 2012-12-17 14:48:21 -05:00
disk-io.c Btrfs: fix wrong handle at error path of create_snapshot() when the commit fails 2013-03-04 16:33:22 -05:00
disk-io.h Btrfs: RAID5 and RAID6 2013-02-01 14:24:23 -05:00
export.c ->encode_fh() API change 2012-05-29 23:28:33 -04:00
export.h
extent_io.c btrfs: fixup/remove module.h usage as required 2013-03-01 15:01:01 -05:00
extent_io.h btrfs: use only inline_pages from extent buffer 2013-02-28 13:33:56 -05:00
extent_map.c btrfs: fixup/remove module.h usage as required 2013-03-01 15:01:01 -05:00
extent_map.h Btrfs: do not allow logged extents to be merged or removed 2013-01-24 12:49:48 -05:00
extent-tree.c Btrfs: cleanup to make the function btrfs_delalloc_reserve_metadata more logic 2013-03-01 10:13:04 -05:00
file-item.c Btrfs: extend the checksum item as much as possible 2013-02-20 12:59:37 -05:00
file.c btrfs: cleanup for open-coded alignment 2013-02-26 11:04:13 -05:00
free-space-cache.c Merge branch 'raid56-experimental' into for-linus-3.9 2013-02-20 14:06:05 -05:00
free-space-cache.h btrfs: remove all unused functions 2011-05-06 12:34:03 +02:00
hash.h btrfs: extended inode refs 2012-10-09 09:14:45 -04:00
inode-item.c btrfs: extended inode refs 2012-10-09 09:14:45 -04:00
inode-map.c Btrfs: improve the noflush reservation 2012-12-11 13:31:31 -05:00
inode-map.h Btrfs: Support reading/writing on disk free ino cache 2011-04-25 16:46:11 +08:00
inode.c Btrfs: enforce min_bytes parameter during extent allocation 2013-03-05 11:30:16 -05:00
ioctl.c Btrfs: allow running defrag in parallel to administrative tasks 2013-03-04 16:33:24 -05:00
Kconfig Btrfs: select XOR_BLOCKS in Kconfig 2013-02-05 09:55:30 -05:00
locking.c Btrfs: save us a read_lock 2013-02-20 09:37:17 -05:00
locking.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
lzo.c btrfs: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:21 +08:00
Makefile Btrfs: RAID5 and RAID6 2013-02-01 14:24:23 -05:00
math.h Btrfs: cleanup duplicated division functions 2012-12-11 13:31:30 -05:00
ordered-data.c Btrfs: place ordered operations on a per transaction list 2013-02-20 12:59:57 -05:00
ordered-data.h Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next into for-linus-3.9 2013-02-20 14:05:45 -05:00
orphan.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
print-tree.c btrfs: add missing break in btrfs_print_leaf() 2013-02-20 12:59:20 -05:00
print-tree.h
qgroup.c Btrfs: remove reduplicate check about root in the function btrfs_clean_quota_tree 2013-03-01 10:13:04 -05:00
raid56.c btrfs/raid56: Add missing #include <linux/vmalloc.h> 2013-03-03 06:53:41 -05:00
raid56.h Btrfs: RAID5 and RAID6 2013-02-01 14:24:23 -05:00
rcu-string.h Btrfs: use rcu to protect device->name 2012-06-14 21:29:16 -04:00
reada.c Btrfs: introduce GET_READ_MIRRORS functionality for btrfs_map_block() 2012-12-12 17:15:43 -05:00
relocation.c Btrfs: do not BUG_ON on aborted situation 2013-03-04 16:33:23 -05:00
root-tree.c Btrfs: rename root_times_lock to root_item_lock 2012-12-16 20:46:21 -05:00
scrub.c Merge branch 'raid56-experimental' into for-linus-3.9 2013-02-20 14:06:05 -05:00
send.c btrfs: add "no file data" flag to btrfs send ioctl 2013-02-20 12:59:39 -05:00
send.h btrfs: add "no file data" flag to btrfs send ioctl 2013-02-20 12:59:39 -05:00
struct-funcs.c Btrfs: rewrite BTRFS_SETGET_FUNCS 2012-07-23 16:28:06 -04:00
super.c Btrfs: fix remount vs autodefrag 2013-02-21 08:11:43 -05:00
sysfs.c btrfs: fixup/remove module.h usage as required 2013-03-01 15:01:01 -05:00
transaction.c Btrfs: avoid deadlock on transaction waiting list 2013-03-04 16:33:23 -05:00
transaction.h Btrfs: fix wrong reserved space in qgroup during snap/subv creation 2013-02-28 13:33:54 -05:00
tree-defrag.c btrfs: remove cache only arguments from defrag path 2013-02-20 12:59:36 -05:00
tree-log.c Btrfs: use set_nlink if our i_nlink is 0 2013-03-04 16:30:06 -05:00
tree-log.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
ulist.c btrfs: fixup/remove module.h usage as required 2013-03-01 15:01:01 -05:00
ulist.h Btrfs: make aux field of ulist 64 bit 2012-10-01 15:18:53 -04:00
version.h
volumes.c Btrfs: fix a mismerge in btrfs_balance() 2013-03-06 22:03:16 -05:00
volumes.h Merge branch 'raid56-experimental' into for-linus-3.9 2013-02-20 14:06:05 -05:00
xattr.c Btrfs: only log the inode item if we can get away with it 2012-12-16 20:46:21 -05:00
xattr.h fs/vfs/security: pass last path component to LSM on inode creation 2011-02-01 11:12:29 -05:00
zlib.c btrfs: fix message printing 2012-10-09 09:19:57 -04:00