redonkable/remarkable-linux
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remarkable-linux/fs/btrfs
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Josef Bacik 9e6a0c52b7 Btrfs: stop committing the transaction so much during relocate 
I noticed with my horrible snapshot excercisor that we were taking forever to
relocate the larger the file system got.  This appeared to be because we were
committing the transaction _constantly_.  There were a few places where we do
braindead things with metadata reservation, like start a transaction and then
try to refill the block rsv, which not only keeps us from committing a
transaction during the enospc stuff, but keeps us from doing some of the harder
flushing work which will make us more likely to need to commit the transaction.
We also were checking the block rsv and committing the transaction if the block
rsv was below a certain threshold, but we were doing this in a place where we
don't actually keep anything in the block rsv so this was always ending up false
so we always committed the transaction in this case.  I tested this to make sure
it didn't break anything, but it takes about 10 hours to get the box to this
state so I don't know how much of an impact it will really make.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
2013-11-11 22:08:31 -05:00
..
tests Btrfs: add a sanity test for a vacant extent at the front of a file 2013-11-11 21:58:19 -05:00
acl.c Btrfs: fix incorrect inode acl reset 2013-11-11 22:02:51 -05:00
async-thread.c Btrfs: eliminate races in worker stopping code 2013-10-04 16:02:13 -04:00
async-thread.h Btrfs: eliminate races in worker stopping code 2013-10-04 16:02:13 -04:00
backref.c btrfs: drop unused parameter from btrfs_item_nr 2013-11-11 21:50:48 -05:00
backref.h Btrfs: allocate prelim_ref with a slab allocater 2013-09-01 08:16:27 -04:00
btrfs_inode.h Btrfs: improve inode hash function/inode lookup 2013-11-11 21:55:19 -05:00
check-integrity.c Btrfs: check_int, remove warning for mixed-mode 2013-11-11 22:04:25 -05:00
check-integrity.h Btrfs: add optional integrity check code 2011-12-21 19:14:09 +01:00
compression.c btrfs: remove fs/btrfs/compat.h 2013-11-11 22:03:19 -05:00
compression.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
ctree.c Btrfs: fix btrfs_prev_leaf() previous key computation 2013-11-11 22:02:26 -05:00
ctree.h Btrfs: add tests for btrfs_get_extent 2013-11-11 21:57:30 -05:00
delayed-inode.c Btrfs: don't leak delayed node on path allocation failure 2013-11-11 22:01:27 -05:00
delayed-inode.h [readdir] convert btrfs 2013-06-29 12:57:00 +04:00
delayed-ref.c Btrfs: get rid of sparse warnings 2013-09-01 08:15:50 -04:00
delayed-ref.h Btrfs: handle running extent ops with skinny metadata 2013-05-17 21:40:15 -04:00
dev-replace.c btrfs: remove fs/btrfs/compat.h 2013-11-11 22:03:19 -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: drop unused parameter from btrfs_item_nr 2013-11-11 21:50:48 -05:00
disk-io.c btrfs: remove fs/btrfs/compat.h 2013-11-11 22:03:19 -05:00
disk-io.h Btrfs: add a sanity test for btrfs_split_item 2013-11-11 21:51:02 -05:00
export.c btrfs: remove fs/btrfs/compat.h 2013-11-11 22:03:19 -05:00
export.h NFS support for btrfs - v3 2008-09-25 11:04:06 -04:00
extent-tree.c Btrfs: optimize extent item search in run_delayed_extent_op 2013-11-11 22:03:53 -05:00
extent_io.c btrfs: remove fs/btrfs/compat.h 2013-11-11 22:03:19 -05:00
extent_io.h Btrfs: Simplify the logic in alloc_extent_buffer() for existing extent buffer case 2013-11-11 21:59:11 -05:00
extent_map.c btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
extent_map.h Btrfs: fix bad extent logging 2013-05-06 15:54:34 -04:00
file-item.c Btrfs: add an assert to btrfs_lookup_csums_range for alignment 2013-11-11 21:58:45 -05:00
file.c Btrfs: return an error from btrfs_wait_ordered_range 2013-11-11 22:07:35 -05:00
free-space-cache.c Btrfs: return an error from btrfs_wait_ordered_range 2013-11-11 22:07:35 -05:00
free-space-cache.h Btrfs: remove path arg from btrfs_truncate_free_space_cache 2013-11-11 21:51:33 -05:00
hash.h btrfs: extended inode refs 2012-10-09 09:14:45 -04:00
inode-item.c btrfs: drop unused parameter from btrfs_item_nr 2013-11-11 21:50:48 -05:00
inode-map.c Btrfs: Don't allocate inode that is already in use 2013-11-11 22:02:36 -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: make sure the delalloc workers actually flush compressed writes 2013-11-11 22:08:22 -05:00
ioctl.c btrfs: remove fs/btrfs/compat.h 2013-11-11 22:03:19 -05:00
Kconfig Btrfs: add support for asserts 2013-09-01 08:16:32 -04:00
locking.c btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
locking.h Btrfs: remove btrfs_try_spin_lock 2013-03-14 14:57:10 -04:00
lzo.c Btrfs: return -1 when lzo compression makes data bigger 2013-09-01 07:57:19 -04:00
Makefile Btrfs: add tests for btrfs_get_extent 2013-11-11 21:57:30 -05:00
math.h Btrfs: cleanup duplicated division functions 2012-12-11 13:31:30 -05:00
ordered-data.c Btrfs: take ordered root lock when removing ordered operations inode 2013-11-11 22:08:10 -05:00
ordered-data.h Btrfs: return an error from btrfs_wait_ordered_range 2013-11-11 22:07:35 -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: drop unused parameter from btrfs_item_nr 2013-11-11 21:50:48 -05:00
print-tree.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
qgroup.c Btrfs: Remove superfluous casts from u64 to unsigned long long 2013-09-01 08:16:08 -04:00
raid56.c btrfs: remove fs/btrfs/compat.h 2013-11-11 22:03:19 -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: fix reada debug code compilation 2013-05-06 15:54:55 -04:00
relocation.c Btrfs: stop committing the transaction so much during relocate 2013-11-11 22:08:31 -05:00
root-tree.c Btrfs: insert orphan roots into fs radix tree 2013-10-10 21:30:53 -04:00
scrub.c Btrfs: fix the dev-replace suspend sequence 2013-11-11 21:55:36 -05:00
send.c Btrfs: stop using vfs_read in send 2013-11-11 22:07:11 -05:00
send.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
struct-funcs.c Btrfs: rewrite BTRFS_SETGET_FUNCS 2012-07-23 16:28:06 -04:00
super.c btrfs: remove fs/btrfs/compat.h 2013-11-11 22:03:19 -05:00
sysfs.c btrfs: fixup/remove module.h usage as required 2013-03-01 15:01:01 -05:00
transaction.c Btrfs: fix memory leaks on transaction commit failure 2013-11-11 21:55:46 -05:00
transaction.h Btrfs: fix BUG_ON() casued by the reserved space migration 2013-11-11 21:54:28 -05:00
tree-defrag.c Btrfs: cleanup dead code of defragment 2013-11-11 21:59:45 -05:00
tree-log.c btrfs: remove fs/btrfs/compat.h 2013-11-11 22:03:19 -05:00
tree-log.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
ulist.c Btrfs: fix crash regarding to ulist_add_merge 2013-07-02 11:50:59 -04:00
ulist.h Btrfs: add a rb_tree to improve performance of ulist search 2013-05-06 15:54:44 -04:00
uuid-tree.c Btrfs: remove unused max_key arg from btrfs_search_forward 2013-11-11 21:54:57 -05:00
volumes.c btrfs: remove fs/btrfs/compat.h 2013-11-11 22:03:19 -05:00
volumes.h Btrfs: add btrfs_alloc_device and switch to it 2013-09-01 08:16:04 -04:00
xattr.c btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
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