Chris Mason 4125bf761c Btrfs: finish read pages in the order they are submitted ...

The endio is done at reverse order of bio vectors.

That means for a sequential read, the page first submitted will finish
last in a bio. Considering we will do checksum (making cache hot) for
every page, this does introduce delay (and chance to squeeze cache used
soon) for pages submitted at the begining.

I don't observe obvious performance difference with below patch at my
simple test, but seems more natural to finish read in the order they are
submitted.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

2010-03-15 11:00:12 -04:00

..

acl.c

Btrfs: fix a memory leak in btrfs_init_acl

2010-01-28 16:20:39 -05:00

async-thread.c

Btrfs: fix deadlock on async thread startup

2009-10-05 09:44:45 -04:00

async-thread.h

Btrfs: fix deadlock on async thread startup

2009-10-05 09:44:45 -04:00

btrfs_inode.h

Btrfs: add new defrag-range ioctl.

2010-03-15 11:00:10 -04:00

compat.h

Btrfs: drop remaining LINUX_KERNEL_VERSION checks and compat code

2009-01-06 09:38:55 -05:00

compression.c

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable

2009-09-11 19:07:25 -04:00

compression.h

Btrfs: Add zlib compression support

2008-10-29 14:49:59 -04:00

ctree.c

Btrfs: Fix per root used space accounting

2009-12-17 12:33:35 -05:00

ctree.h

Btrfs: add new defrag-range ioctl.

2010-03-15 11:00:10 -04:00

delayed-ref.c

Btrfs: Mixed back reference (FORWARD ROLLING FORMAT CHANGE)

2009-06-10 11:29:46 -04:00

delayed-ref.h

Btrfs: Mixed back reference (FORWARD ROLLING FORMAT CHANGE)

2009-06-10 11:29:46 -04:00

dir-item.c

Btrfs: Pass transaction handle to security and ACL initialization functions

2009-12-17 12:33:34 -05:00

disk-io.c

Btrfs: use RB_ROOT to intialize rb_trees instead of setting rb_node to NULL

2010-03-08 16:26:50 -05:00

disk-io.h

Btrfs: leave btree locks spinning more often

2009-03-24 16:14:28 -04:00

export.c

Btrfs: change how we mount subvolumes

2010-03-15 10:58:13 -04:00

export.h

NFS support for btrfs - v3

2008-09-25 11:04:06 -04:00

extent_io.c

Btrfs: finish read pages in the order they are submitted

2010-03-15 11:00:12 -04:00

extent_io.h

Btrfs: release delalloc reservations on extent item insertion

2009-10-08 15:21:10 -04:00

extent_map.c

Btrfs: use RB_ROOT to intialize rb_trees instead of setting rb_node to NULL

2010-03-08 16:26:50 -05:00

extent_map.h

Btrfs: search for an allocation hint while filling file COW

2009-09-18 16:08:52 -04:00

extent-tree.c

Btrfs: Fix oopsen when dropping empty tree.

2010-02-04 11:31:45 -05:00

file-item.c

Btrfs: leave btree locks spinning more often

2009-03-24 16:14:28 -04:00

file.c

Btrfs: btrfs_mark_extent_written uses the wrong slot

2010-02-12 16:47:19 -05:00

free-space-cache.c

Btrfs: use RB_ROOT to intialize rb_trees instead of setting rb_node to NULL

2010-03-08 16:26:50 -05:00

free-space-cache.h

Btrfs: use hybrid extents+bitmap rb tree for free space

2009-07-24 09:23:30 -04:00

hash.h

Btrfs: remove crc32c.h and use libcrc32c directly.

2009-06-10 11:29:53 -04:00

inode-item.c

Btrfs: check size of inode backref before adding hardlink

2009-09-24 09:17:31 -04:00

inode-map.c

Btrfs: do not reuse objectid of deleted snapshot/subvol

2009-09-21 15:56:00 -04:00

inode.c

btrfs: fix btrfs_mkdir goto for no free objectids

2010-03-15 11:00:11 -04:00

ioctl.c

Btrfs: add new defrag-range ioctl.

2010-03-15 11:00:10 -04:00

ioctl.h

Btrfs: add new defrag-range ioctl.

2010-03-15 11:00:10 -04:00

Kconfig

Btrfs: make btrfs acls selectable

2009-02-04 09:28:28 -05:00

locking.c

Btrfs: fix typos in comments

2009-04-02 16:46:06 -04:00

locking.h

Btrfs: fix spinlock assertions on UP systems

2009-03-09 11:45:38 -04:00

Makefile

Btrfs: Mixed back reference (FORWARD ROLLING FORMAT CHANGE)

2009-06-10 11:29:46 -04:00

ordered-data.c

Btrfs: align offsets for btrfs_ordered_update_i_size

2010-01-17 20:06:27 -05:00

ordered-data.h

Btrfs: use RB_ROOT to intialize rb_trees instead of setting rb_node to NULL

2010-03-08 16:26:50 -05:00

orphan.c

Btrfs: change how subvolumes are organized

2009-09-21 15:56:00 -04:00

print-tree.c

Btrfs: remove of redundant btrfs_header_level

2009-07-22 16:52:13 -04:00

print-tree.h

Btrfs: Create extent_buffer interface for large blocksizes

2008-09-25 11:03:56 -04:00

ref-cache.c

Btrfs: Make btrfs_drop_snapshot work in larger and more efficient chunks

2009-02-04 09:27:02 -05:00

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: change how we mount subvolumes

2010-03-15 10:58:13 -04:00

root-tree.c

Btrfs: skip btrfs_release_path in btrfs_update_root and btrfs_del_root

2009-11-11 14:20:18 -05:00

struct-funcs.c

Btrfs: Fix checkpatch.pl warnings

2009-01-05 21:25:51 -05:00

super.c

Btrfs: make df be a little bit more understandable

2010-03-15 11:00:11 -04:00

sysfs.c

Btrfs: Fix checkpatch.pl warnings

2009-01-05 21:25:51 -05:00

transaction.c

Btrfs: flush data on snapshot creation

2010-03-15 11:00:11 -04:00

transaction.h

Btrfs: Avoid superfluous tree-log writeout

2009-12-15 21:24:25 -05:00

tree-defrag.c

Btrfs: do extent allocation and reference count updates in the background

2009-03-24 16:14:25 -04:00

tree-log.c

Btrfs: change how we mount subvolumes

2010-03-15 10:58:13 -04:00

tree-log.h

Btrfs: avoid tree log commit when there are no changes

2009-10-13 13:35:12 -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: Update existing btrfs_device for renaming device

2010-03-15 11:00:10 -04:00

volumes.h

Btrfs: make balance code choose more wisely when relocating

2009-09-21 19:23:48 -04:00

xattr.c

Btrfs: Pass transaction handle to security and ACL initialization functions

2009-12-17 12:33:34 -05:00

xattr.h

Btrfs: Pass transaction handle to security and ACL initialization functions

2009-12-17 12:33:34 -05:00

zlib.c

Btrfs: correct error-handling zlib error handling

2009-08-07 13:51:33 -04:00