Alexandre Oliva f2d0f6765d Btrfs: initialize new bitmaps' list ... We're failing to create clusters with bitmaps because setup_cluster_no_bitmap checks that the list is empty before inserting the bitmap entry in the list for setup_cluster_bitmap, but the list field is only initialized when it is restored from the on-disk free space cache, or when it is written out to disk. Besides a potential race condition due to the multiple use of the list field, filesystem performance severely degrades over time: as we use up all non-bitmap free extents, the try-to-set-up-cluster dance is done at every metadata block allocation. For every block group, we fail to set up a cluster, and after failing on them all up to twice, we fall back to the much slower unclustered allocation. To make matters worse, before the unclustered allocation, we try to create new block groups until we reach the 1% threshold, which introduces additional bitmaps and thus block groups that we'll iterate over at each metadata block request.		2011-11-30 18:46:06 +01:00
..
acl.c	Btrfs: fix return value of btrfs_get_acl()	2011-10-20 18:10:47 +02:00
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
backref.c	btrfs: Fix up 32/64-bit compatibility for new ioctls	2011-11-20 07:42:13 -05:00
backref.h	btrfs: added helper functions to iterate backrefs	2011-09-29 12:54:27 +02:00
btrfs_inode.h	Btrfs: fix our reservations for updating an inode when completing io	2011-11-08 15:47:34 -05:00
compat.h	Btrfs: drop remaining LINUX_KERNEL_VERSION checks and compat code	2009-01-06 09:38:55 -05:00
compression.c	btrfs: separate superblock items out of fs_info	2011-11-06 03:04:01 -05:00
compression.h	btrfs: rename variables clashing with global function names	2011-05-02 13:57:19 +02:00
ctree.c	Btrfs: fix tree corruption after multi-thread snapshots and inode_cache flush	2011-11-15 09:53:28 -05:00
ctree.h	Btrfs: fix deadlock on metadata reservation when evicting a inode	2011-11-30 18:46:03 +01:00
delayed-inode.c	Btrfs: tweak the delayed inode reservations again	2011-11-10 20:39:08 -05:00
delayed-inode.h	atomic: use <linux/atomic.h>	2011-07-26 16:49:47 -07:00
delayed-ref.c	btrfs: remove old unused commented out code	2011-05-06 12:34:10 +02:00
delayed-ref.h	btrfs: remove all unused functions	2011-05-06 12:34:03 +02:00
dir-item.c	Btrfs: remove redundant code for dir item lookup	2011-08-01 14:30:48 -04:00
disk-io.c	btrfs: mirror_num should be int, not u64	2011-11-20 07:42:14 -05:00
disk-io.h	Merge branch 'for-chris' of git://github.com/sensille/linux into integration	2011-11-06 03:05:08 -05:00
export.c	Merge branch 'ino-alloc' of git://repo.or.cz/linux-btrfs-devel into inode_numbers	2011-05-21 09:27:38 -04:00
export.h
extent-tree.c	Btrfs: fix deadlock on metadata reservation when evicting a inode	2011-11-30 18:46:03 +01:00
extent_io.c	Btrfs: sectorsize align offsets in fiemap	2011-11-20 07:42:17 -05:00
extent_io.h	btrfs: mirror_num should be int, not u64	2011-11-20 07:42:14 -05:00
extent_map.c	Btrfs: clean up code for merging extent maps	2011-08-01 14:30:50 -04:00
extent_map.h	btrfs: drop gfp parameter from alloc_extent_map	2011-05-02 13:57:21 +02:00
file-item.c	btrfs: separate superblock items out of fs_info	2011-11-06 03:04:01 -05:00
file.c	Btrfs: use the inode's mapping mask for allocating pages	2011-10-19 15:12:45 -04:00
free-space-cache.c	Btrfs: initialize new bitmaps' list	2011-11-30 18:46:06 +01:00
free-space-cache.h	btrfs: remove all unused functions	2011-05-06 12:34:03 +02:00
hash.h	Btrfs: remove crc32c.h and use libcrc32c directly.	2009-06-10 11:29:53 -04:00
inode-item.c	Btrfs: BUG_ON is deleted from the caller of btrfs_truncate_item & btrfs_extend_item	2011-05-23 13:24:39 -04:00
inode-map.c	Btrfs: fix no reserved space for writing out inode cache	2011-11-10 20:45:04 -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: fix deadlock on metadata reservation when evicting a inode	2011-11-30 18:46:03 +01:00
ioctl.c	Btrfs: Don't error on resizing FS to same size	2011-11-30 18:46:04 +01:00
ioctl.h	Btrfs: fix the new inspection ioctls for 32 bit compat	2011-11-06 03:08:49 -05:00
Kconfig	btrfs: Add lzo compression support	2010-12-22 23:15:47 +08:00
locking.c	Btrfs: switch the btrfs tree locks to reader/writer	2011-07-27 12:46:46 -04:00
locking.h	Btrfs: switch the btrfs tree locks to reader/writer	2011-07-27 12:46:46 -04:00
lzo.c	Btrfs: Avoid accessing unmapped kernel address	2011-02-16 15:37:58 -05:00
Makefile	Merge git://git.jan-o-sch.net/btrfs-unstable into integration	2011-11-06 03:07:10 -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 oops on failure path	2011-10-20 18:10:50 +02:00
print-tree.h
reada.c	Btrfs: rename btrfs_bio multi -> bbio for consistency	2011-11-06 03:11:21 -05:00
relocation.c	Btrfs: fix orphan backref nodes	2011-11-10 20:45:05 -05:00
root-tree.c	btrfs: make btrfs_set_root_node void	2011-08-01 14:30:44 -04:00
scrub.c	btrfs scrub: handle -ENOMEM from init_ipath()	2011-11-30 18:46:01 +01:00
struct-funcs.c	Btrfs: stop using highmem for extent_buffers	2011-07-27 12:46:45 -04:00
super.c	Btrfs: fix oops when calling statfs on readonly device	2011-11-30 18:46:05 +01:00
sysfs.c	btrfs: Remove unused sysfs code	2011-06-17 14:54:18 -04:00
transaction.c	Btrfs: fix tree corruption after multi-thread snapshots and inode_cache flush	2011-11-15 09:53:28 -05:00
transaction.h	Merge branch 'for-chris' of	2011-05-28 07:00:39 -04:00
tree-defrag.c	btrfs: drop unused parameter from btrfs_release_path	2011-05-02 13:57:22 +02:00
tree-log.c	btrfs: separate superblock items out of fs_info	2011-11-06 03:04:01 -05:00
tree-log.h	btrfs: remove unused function prototypes	2011-05-04 14:01:26 +02:00
version.h	Update Btrfs files for in-kernel usage	2008-09-25 15:41:59 -04:00
volumes.c	Btrfs: fix nocow when deleting the item	2011-11-10 20:45:04 -05:00
volumes.h	Btrfs: fix barrier flushes	2011-11-20 07:21:14 -05:00
xattr.c	Btrfs: fix regression in re-setting a large xattr	2011-10-19 15:12:56 -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	zlib: slim down zlib_deflate() workspace when possible	2011-03-22 17:44:17 -07:00