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017e5369eb
linux/fs/btrfs
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Chris Mason 017e5369eb Btrfs: Leaf reference cache update 
This changes the reference cache to make a single cache per root
instead of one cache per transaction, and to key by the byte number
of the disk block instead of the keys inside.

This makes it much less likely to have cache misses if a snapshot
or something has an extra reference on a higher node or a leaf while
the first transaction that added the leaf into the cache is dropping.

Some throttling is added to functions that free blocks heavily so they
wait for old transactions to drop.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25 11:04:05 -04:00
..
acl.c Btrfs: Add ACL support 2008-09-25 11:04:05 -04:00
async-thread.c Btrfs: Worker thread optimizations 2008-09-25 11:04:03 -04:00
async-thread.h Btrfs: Worker thread optimizations 2008-09-25 11:04:03 -04:00
bit-radix.c
bit-radix.h
btrfs_inode.h Btrfs: Create orphan inode records to prevent lost files after a crash 2008-09-25 11:04:05 -04:00
compat.h Btrfs: Add workaround for AppArmor changing remove_suid() 2008-09-25 11:04:02 -04:00
COPYING
crc32c.h Btrfs: Endianess bug fix for v0.13 with kernels 2008-09-25 11:04:01 -04:00
ctree.c Btrfs: Add a leaf reference cache 2008-09-25 11:04:05 -04:00
ctree.h Btrfs: Leaf reference cache update 2008-09-25 11:04:05 -04:00
dir-item.c Btrfs: Implement new dir index format 2008-09-25 11:04:05 -04:00
disk-io.c Btrfs: Leaf reference cache update 2008-09-25 11:04:05 -04:00
disk-io.h Btrfs: Online btree defragmentation fixes 2008-09-25 11:04:04 -04:00
extent_io.c Btrfs: Search data ordered extents first for checksums on read 2008-09-25 11:04:05 -04:00
extent_io.h Btrfs: Fix some data=ordered related data corruptions 2008-09-25 11:04:05 -04:00
extent_map.c Btrfs: Use assert_spin_locked instead of spin_trylock 2008-09-25 11:04:05 -04:00
extent_map.h Btrfs: Fix some data=ordered related data corruptions 2008-09-25 11:04:05 -04:00
extent-tree.c Btrfs: Leaf reference cache update 2008-09-25 11:04:05 -04:00
file-item.c Btrfs: Take the csum mutex while reading checksums 2008-09-25 11:04:05 -04:00
file.c Btrfs: Leaf reference cache update 2008-09-25 11:04:05 -04:00
hash.c btrfs-progs: Stop stomping on 'name' input parameter 2008-09-25 11:04:01 -04:00
hash.h
inode-item.c Btrfs: Implement new dir index format 2008-09-25 11:04:05 -04:00
inode-map.c Btrfs: Replace the big fs_mutex with a collection of other locks 2008-09-25 11:04:03 -04:00
inode.c Btrfs: Leaf reference cache update 2008-09-25 11:04:05 -04:00
INSTALL
ioctl.c Btrfs: Null terminate strings passed in from userspace 2008-09-25 11:04:05 -04:00
ioctl.h Btrfs: transaction ioctls 2008-09-25 11:04:03 -04:00
locking.c Btrfs: Fix some build problems on 2.6.18 based enterprise kernels 2008-09-25 11:04:05 -04:00
locking.h Btrfs: Start btree concurrency work. 2008-09-25 11:04:03 -04:00
Makefile Btrfs: Add a leaf reference cache 2008-09-25 11:04:05 -04:00
ordered-data.c Btrfs: Fix the defragmention code and the block relocation code for data=ordered 2008-09-25 11:04:05 -04:00
ordered-data.h Btrfs: Fix the defragmention code and the block relocation code for data=ordered 2008-09-25 11:04:05 -04:00
orphan.c Btrfs: Create orphan inode records to prevent lost files after a crash 2008-09-25 11:04:05 -04:00
print-tree.c Btrfs: Pass down the expected generation number when reading tree blocks 2008-09-25 11:04:03 -04:00
print-tree.h
ref-cache.c Btrfs: Leaf reference cache update 2008-09-25 11:04:05 -04:00
ref-cache.h Btrfs: Leaf reference cache update 2008-09-25 11:04:05 -04:00
root-tree.c Btrfs: Fix deadlock while searching for dead roots on mount 2008-09-25 11:04:04 -04:00
struct-funcs.c
super.c Btrfs: Add ACL support 2008-09-25 11:04:05 -04:00
sysfs.c Btrfs: Disable sysfs files on older kernels 2008-09-25 11:04:00 -04:00
TODO
transaction.c Btrfs: Leaf reference cache update 2008-09-25 11:04:05 -04:00
transaction.h btrfs_start_transaction: wait for commits in progress to finish 2008-09-25 11:04:04 -04:00
tree-defrag.c Btrfs: Online btree defragmentation fixes 2008-09-25 11:04:04 -04:00
version.sh Btrfs: Add version strings on module load 2008-09-25 11:04:05 -04:00
volumes.c Btrfs: Add locking around volume management (device add/remove/balance) 2008-09-25 11:04:04 -04:00
volumes.h Btrfs: Add async worker threads for pre and post IO checksumming 2008-09-25 11:04:03 -04:00
xattr.c Btrfs: Add ACL support 2008-09-25 11:04:05 -04:00
xattr.h