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alistair23-linux/fs/btrfs
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Li Zefan 8eb2d829ff btrfs: Fix threshold calculation for block groups smaller than 1GB 
If a block group is smaller than 1GB, the extent entry threadhold
calculation will always set the threshold to 0.

So as free space gets fragmented, btrfs will switch to use bitmap
to manage free space, but then will never switch back to extents
due to this bug.

Reviewed-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
2011-01-27 01:04:31 +08:00
..
acl.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable 2010-06-11 14:18:47 -07:00
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_inode.h Btrfs: Metadata reservation for orphan inodes 2010-05-25 10:34:52 -04:00
compat.h
compression.c btrfs: cleanup duplicate bio allocating functions 2010-11-21 22:26:03 -05:00
compression.h
ctree.c Btrfs: cleanup warnings from gcc 4.6 (nonbugs) 2010-10-29 15:14:37 -04:00
ctree.h btrfs: make 1-bit signed fileds unsigned 2010-11-21 22:26:07 -05:00
delayed-ref.c Btrfs: Integrate metadata reservation with start_transaction 2010-05-25 10:34:50 -04:00
delayed-ref.h Btrfs: Integrate metadata reservation with start_transaction 2010-05-25 10:34:50 -04:00
dir-item.c Btrfs: Fix variables set but not read (bugs found by gcc 4.6) 2010-10-29 15:14:31 -04:00
disk-io.c Btrfs: EIO when we fail to read tree roots 2010-12-13 14:47:58 -05:00
disk-io.h Btrfs: use async helpers for DIO write checksumming 2010-05-25 10:34:58 -04:00
export.c Btrfs: handle NFS lookups properly 2010-11-21 22:26:08 -05:00
export.h
extent-tree.c Btrfs: fix off by one while setting block groups readonly 2011-01-04 16:41:39 -05:00
extent_io.c Btrfs: fix fiemap 2010-11-27 13:37:50 -05:00
extent_io.h btrfs: cleanup duplicate bio allocating functions 2010-11-21 22:26:03 -05:00
extent_map.c Btrfs: Use ERR_CAST helpers 2010-10-29 15:14:23 -04:00
extent_map.h
file-item.c Btrfs: add basic DIO read/write support 2010-05-25 10:34:57 -04:00
file.c Btrfs: pwrite blocked when writing from the mmaped buffer of the same page 2010-12-10 16:29:10 -05:00
free-space-cache.c btrfs: Fix threshold calculation for block groups smaller than 1GB 2011-01-27 01:04:31 +08:00
free-space-cache.h Btrfs: load free space cache if it exists 2010-10-29 09:26:35 -04:00
hash.h
inode-item.c Btrfs: Integrate metadata reservation with start_transaction 2010-05-25 10:34:50 -04:00
inode-map.c
inode.c Btrfs: fix compiler warnings 2010-12-10 16:29:11 -05:00
ioctl.c Btrfs: Make async snapshot ioctl more generic 2010-12-10 16:29:11 -05:00
ioctl.h Btrfs: Make async snapshot ioctl more generic 2010-12-10 16:29:11 -05:00
Kconfig
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
Makefile
ordered-data.c Btrfs: deal with DIO bios that span more than one ordered extent 2010-11-28 19:56:33 -05:00
ordered-data.h Btrfs: deal with DIO bios that span more than one ordered extent 2010-11-28 19:56:33 -05:00
orphan.c Btrfs: fixup return code for btrfs_del_orphan_item 2010-12-09 13:57:15 -05:00
print-tree.c
print-tree.h
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
relocation.c Btrfs: Fix variables set but not read (bugs found by gcc 4.6) 2010-10-29 15:14:31 -04:00
root-tree.c Btrfs: cleanup warnings from gcc 4.6 (nonbugs) 2010-10-29 15:14:37 -04:00
struct-funcs.c
super.c Btrfs: Fix a crash when mounting a subvolume 2010-12-10 16:29:10 -05:00
sysfs.c
transaction.c Btrfs: use dget_parent where we can UPDATED 2010-11-21 22:26:09 -05:00
transaction.h Btrfs: add START_SYNC, WAIT_SYNC ioctls 2010-10-29 15:41:32 -04:00
tree-defrag.c Btrfs: cleanup warnings from gcc 4.6 (nonbugs) 2010-10-29 15:14:37 -04:00
tree-log.c Btrfs: use dget_parent where we can UPDATED 2010-11-21 22:26:09 -05:00
tree-log.h Btrfs: Metadata ENOSPC handling for tree log 2010-05-25 10:34:53 -04:00
version.h
version.sh
volumes.c Btrfs: account for missing devices in RAID allocation profiles 2010-12-13 20:06:52 -05:00
volumes.h Btrfs: account for missing devices in RAID allocation profiles 2010-12-13 20:06:52 -05:00
xattr.c Btrfs: cleanup warnings from gcc 4.6 (nonbugs) 2010-10-29 15:14:37 -04:00
xattr.h btrfs: constify xattr_handler 2010-05-21 18:31:18 -04:00
zlib.c Btrfs: cleanup warnings from gcc 4.6 (nonbugs) 2010-10-29 15:14:37 -04:00