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David Sterba 83c8266acc btrfs: try harder to allocate raid56 stripe cache 
The stripe hash table is large, starting with allocation order 4 and can go as
high as order 7 in case lock debugging is turned on and structure padding
happens.

Observed mount failure:

mount: page allocation failure: order:7, mode:0x200050
Pid: 8234, comm: mount Tainted: G        W    3.8.0-default+ #267
Call Trace:
 [<ffffffff81114353>] warn_alloc_failed+0xf3/0x140
 [<ffffffff811171d2>] ? __alloc_pages_direct_compact+0x92/0x250
 [<ffffffff81117ac3>] __alloc_pages_nodemask+0x733/0x9d0
 [<ffffffff81152878>] ? cache_alloc_refill+0x3f8/0x840
 [<ffffffff811528bc>] cache_alloc_refill+0x43c/0x840
 [<ffffffff811302eb>] ? is_kernel_percpu_address+0x4b/0x90
 [<ffffffffa00a00ac>] ? btrfs_alloc_stripe_hash_table+0x5c/0x130 [btrfs]
 [<ffffffff811531d7>] kmem_cache_alloc_trace+0x247/0x270
 [<ffffffffa00a00ac>] btrfs_alloc_stripe_hash_table+0x5c/0x130 [btrfs]
 [<ffffffffa003133f>] open_ctree+0xb2f/0x1f90 [btrfs]
 [<ffffffff81397289>] ? string+0x49/0xe0
 [<ffffffff813987b3>] ? vsnprintf+0x443/0x5d0
 [<ffffffffa0007cb6>] btrfs_mount+0x526/0x600 [btrfs]
 [<ffffffff8115127c>] ? cache_alloc_debugcheck_after+0x4c/0x200
 [<ffffffff81162b90>] mount_fs+0x20/0xe0
 [<ffffffff8117db26>] vfs_kern_mount+0x76/0x120
 [<ffffffff811801b6>] do_mount+0x386/0x980
 [<ffffffff8112a5cb>] ? strndup_user+0x5b/0x80
 [<ffffffff81180840>] sys_mount+0x90/0xe0
 [<ffffffff81962e99>] system_call_fastpath+0x16/0x1b

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
 		2013-03-01 10:13:05 -05:00
..
Kconfig Btrfs: select XOR_BLOCKS in Kconfig 2013-02-05 09:55:30 -05:00
Makefile Btrfs: RAID5 and RAID6 2013-02-01 14:24:23 -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
…
async-thread.h
…
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
…
compat.h
…
compression.c Btrfs: add rw argument to merge_bio_hook() 2013-02-01 11:49:47 -05:00
compression.h
…
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: remove unused "item" in btrfs_insert_delayed_item() 2013-02-20 12:59:23 -05:00
delayed-inode.h Btrfs: fix lots of orphan inodes when the space is not enough 2013-02-20 09:36:39 -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
…
dir-item.c Btrfs: fix hash overflow handling 2012-12-17 14:48:21 -05:00
disk-io.c btrfs: try harder to allocate raid56 stripe cache 2013-03-01 10:13:05 -05:00
disk-io.h Btrfs: RAID5 and RAID6 2013-02-01 14:24:23 -05:00
export.c
…
export.h
…
extent-tree.c Btrfs: cleanup to make the function btrfs_delalloc_reserve_metadata more logic 2013-03-01 10:13:04 -05:00
extent_io.c btrfs: use only inline_pages from extent buffer 2013-02-28 13:33:56 -05:00
extent_io.h btrfs: use only inline_pages from extent buffer 2013-02-28 13:33:56 -05:00
extent_map.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2013-02-08 12:06:46 +11:00
extent_map.h Btrfs: do not allow logged extents to be merged or removed 2013-01-24 12:49:48 -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
…
hash.h
…
inode-item.c
…
inode-map.c
…
inode-map.h
…
inode.c Btrfs: copy everything if we've created an inline extent 2013-02-28 13:33:20 -05:00
ioctl.c Btrfs: fix wrong reserved space when deleting a snapshot/subvolume 2013-02-28 13:33:55 -05:00
locking.c Btrfs: save us a read_lock 2013-02-20 09:37:17 -05:00
locking.h
…
lzo.c
…
math.h
…
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
…
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: try harder to allocate raid56 stripe cache 2013-03-01 10:13:05 -05:00
raid56.h Btrfs: RAID5 and RAID6 2013-02-01 14:24:23 -05:00
rcu-string.h
…
reada.c
…
relocation.c Btrfs: use wrapper page_offset 2013-02-20 09:36:43 -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
…
super.c Btrfs: fix remount vs autodefrag 2013-02-21 08:11:43 -05:00
sysfs.c
…
transaction.c Btrfs: fix wrong reserved space in qgroup during snap/subv creation 2013-02-28 13:33:54 -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: fix memory leak of log roots 2013-02-28 13:33:51 -05:00
tree-log.h
…
ulist.c
…
ulist.h
…
version.h
…
volumes.c btrfs: remove a printk from scan_one_device 2013-02-28 13:33:52 -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
…
zlib.c
…