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4125bf761c
tmp_suning_uos_patched/fs/btrfs
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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
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
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
delayed-ref.h
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
export.c Btrfs: change how we mount subvolumes 2010-03-15 10:58:13 -04:00
export.h
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
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
hash.h
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
locking.c
locking.h
Makefile
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
print-tree.h
ref-cache.c
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
super.c Btrfs: make df be a little bit more understandable 2010-03-15 11:00:11 -04:00
sysfs.c
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
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
version.sh
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