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liubo c59021f846 Btrfs: fix OOPS of empty filesystem after balance 
btrfs will remove unused block groups after balance.
When a empty filesystem is balanced, the block group with tag "DATA" may be
dropped, and after umount and mount again, it will not find "DATA" space_info
and lead to OOPS.
So we initial the necessary space_infos(DATA, SYSTEM, METADATA) to avoid OOPS.

Reported-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 		2011-03-28 05:37:53 -04:00
..
Kconfig btrfs: Add lzo compression support 2010-12-22 23:15:47 +08:00
Makefile btrfs: Add lzo compression support 2010-12-22 23:15:47 +08:00
acl.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable 2011-02-07 14:06:18 -08:00
async-thread.c Btrfs: don't walk around with task->state != TASK_RUNNING 2010-05-25 10:34:58 -04:00
async-thread.h Btrfs: fix deadlock on async thread startup 2009-10-05 09:44:45 -04:00
btrfs_inode.h Btrfs: change reserved_extents to an atomic_t 2011-03-17 14:21:18 -04:00
compat.h Btrfs: drop remaining LINUX_KERNEL_VERSION checks and compat code 2009-01-06 09:38:55 -05:00
compression.c Btrfs: fix uncheck memory allocations 2011-03-28 05:37:49 -04:00
compression.h btrfs: Extract duplicate decompress code 2010-12-22 23:15:50 +08:00
ctree.c Btrfs: check return value of read_tree_block() 2011-03-28 05:37:37 -04:00
ctree.h Btrfs: fix OOPS of empty filesystem after balance 2011-03-28 05:37:53 -04:00
delayed-ref.c Btrfs: add initial tracepoint support for btrfs 2011-03-28 05:37:33 -04:00
delayed-ref.h Btrfs: Integrate metadata reservation with start_transaction 2010-05-25 10:34:50 -04:00
dir-item.c Btrfs: add checks to verify dir items are correct 2011-03-17 14:21:41 -04:00
disk-io.c Btrfs: fix OOPS of empty filesystem after balance 2011-03-28 05:37:53 -04:00
disk-io.h Btrfs: forced readonly mounts on errors 2011-01-17 15:13:08 -05:00
export.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable 2011-02-07 14:06:18 -08:00
export.h NFS support for btrfs - v3 2008-09-25 11:04:06 -04:00
extent-tree.c Btrfs: fix OOPS of empty filesystem after balance 2011-03-28 05:37:53 -04:00
extent_io.c Btrfs: add initial tracepoint support for btrfs 2011-03-28 05:37:33 -04:00
extent_io.h Btrfs: check items for correctness as we search 2011-03-17 14:21:37 -04:00
extent_map.c Btrfs: check return value of alloc_extent_map() 2011-02-14 16:21:37 -05:00
extent_map.h btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
file-item.c Btrfs: cleanup some BUG_ON() 2011-03-28 05:37:35 -04:00
file.c Btrfs: add initial tracepoint support for btrfs 2011-03-28 05:37:33 -04:00
free-space-cache.c Btrfs: add btrfs_trim_fs() to handle FITRIM 2011-03-28 05:37:47 -04:00
free-space-cache.h Btrfs: add btrfs_trim_fs() to handle FITRIM 2011-03-28 05:37:47 -04:00
hash.h Btrfs: remove crc32c.h and use libcrc32c directly. 2009-06-10 11:29:53 -04:00
inode-item.c Btrfs: Integrate metadata reservation with start_transaction 2010-05-25 10:34:50 -04:00
inode-map.c Btrfs: cleanup some BUG_ON() 2011-03-28 05:37:35 -04:00
inode.c Btrfs: fix uncheck memory allocations 2011-03-28 05:37:49 -04:00
ioctl.c Btrfs: fix return value of setflags ioctl 2011-03-28 05:37:51 -04:00
ioctl.h Merge branch 'lzo-support' of git://repo.or.cz/linux-btrfs-devel into btrfs-38 2011-01-16 11:25:54 -05:00
locking.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
locking.h Btrfs: fix spinlock assertions on UP systems 2009-03-09 11:45:38 -04:00
lzo.c Btrfs: Avoid accessing unmapped kernel address 2011-02-16 15:37:58 -05:00
ordered-data.c Btrfs: add initial tracepoint support for btrfs 2011-03-28 05:37:33 -04:00
ordered-data.h btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
orphan.c Btrfs: fixup return code for btrfs_del_orphan_item 2010-12-09 13:57:15 -05:00
print-tree.c btrfs: fix missing break in switch phrase 2011-01-28 16:40:37 -05:00
print-tree.h Btrfs: Create extent_buffer interface for large blocksizes 2008-09-25 11:03:56 -04:00
ref-cache.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ref-cache.h Btrfs: use RB_ROOT to intialize rb_trees instead of setting rb_node to NULL 2010-03-08 16:26:50 -05:00
relocation.c Btrfs: check return value of read_tree_block() 2011-03-28 05:37:37 -04:00
root-tree.c Btrfs: cleanup some BUG_ON() 2011-03-28 05:37:35 -04:00
struct-funcs.c Btrfs: Fix checkpatch.pl warnings 2009-01-05 21:25:51 -05:00
super.c Btrfs: add initial tracepoint support for btrfs 2011-03-28 05:37:33 -04:00
sysfs.c Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
transaction.c Btrfs: cleanup some BUG_ON() 2011-03-28 05:37:35 -04:00
transaction.h Btrfs: Add readonly snapshots support 2010-12-23 08:49:17 +08:00
tree-defrag.c Btrfs: cleanup warnings from gcc 4.6 (nonbugs) 2010-10-29 15:14:37 -04:00
tree-log.c btrfs: make inode ref log recovery faster 2011-03-28 05:37:48 -04:00
tree-log.h Btrfs: Metadata ENOSPC handling for tree log 2010-05-25 10:34:53 -04:00
version.h Update Btrfs files for in-kernel usage 2008-09-25 15:41:59 -04:00
version.sh Btrfs: Fixes for 2.6.28-rc API changes 2008-11-19 21:17:22 -05:00
volumes.c Btrfs: make btrfs_map_block() return entire free extent for each device of RAID0/1/10/DUP 2011-03-28 05:37:45 -04:00
volumes.h Btrfs: make btrfs_map_block() return entire free extent for each device of RAID0/1/10/DUP 2011-03-28 05:37:45 -04:00
xattr.c Btrfs: add checks to verify dir items are correct 2011-03-17 14:21:41 -04:00
xattr.h btrfs: constify xattr_handler 2010-05-21 18:31:18 -04:00
zlib.c btrfs: Extract duplicate decompress code 2010-12-22 23:15:50 +08:00