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bcc63abbf3
linux/fs/btrfs
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Yan bcc63abbf3 Btrfs: implement memory reclaim for leaf reference cache 
The memory reclaiming issue happens when snapshot exists. In that
case, some cache entries may not be used during old snapshot dropping,
so they will remain in the cache until umount.

The patch adds a field to struct btrfs_leaf_ref to record create time. Besides,
the patch makes all dead roots of a given snapshot linked together in order of
create time. After a old snapshot was completely dropped, we check the dead
root list and remove all cache entries created before the oldest dead root in
the list.

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: async-thread: fix possible memory leak 2008-09-25 11:04:05 -04:00
async-thread.h Btrfs: Worker thread optimizations 2008-09-25 11:04:03 -04:00
bit-radix.c Btrfs: trivial include fixups 2007-07-11 10:00:37 -04:00
bit-radix.h Btrfs: add GPLv2 2007-06-12 09:07:21 -04:00
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 Btrfs: add GPLv2 2007-06-12 09:07:21 -04:00
crc32c.h Btrfs: Endianess bug fix for v0.13 with kernels 2008-09-25 11:04:01 -04:00
ctree.c Btrfs: implement memory reclaim for leaf reference cache 2008-09-25 11:04:05 -04:00
ctree.h Btrfs: implement memory reclaim for leaf reference cache 2008-09-25 11:04:05 -04:00
dir-item.c Btrfs: implement memory reclaim for leaf reference cache 2008-09-25 11:04:05 -04:00
disk-io.c Btrfs: implement memory reclaim for leaf reference cache 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: implement memory reclaim for leaf reference cache 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: implement memory reclaim for leaf reference cache 2008-09-25 11:04:05 -04:00
file-item.c Btrfs: implement memory reclaim for leaf reference cache 2008-09-25 11:04:05 -04:00
file.c Btrfs: implement memory reclaim for leaf reference cache 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 Btrfs: unaligned access fixes 2008-09-25 11:04:00 -04:00
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: implement memory reclaim for leaf reference cache 2008-09-25 11:04:05 -04:00
INSTALL Btrfs: Documentation update 2007-06-22 14:49:31 -04:00
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: implement memory reclaim for leaf reference cache 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: implement memory reclaim for leaf reference cache 2008-09-25 11:04:05 -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: implement memory reclaim for leaf reference cache 2008-09-25 11:04:05 -04:00
ref-cache.h Btrfs: implement memory reclaim for leaf reference cache 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 Btrfs: unaligned access fixes 2008-09-25 11:04:00 -04:00
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 Btrfs: add GPLv2 2007-06-12 09:07:21 -04:00
transaction.c Btrfs: implement memory reclaim for leaf reference cache 2008-09-25 11:04:05 -04:00
transaction.h Btrfs: Update and fix mount -o nodatacow 2008-09-25 11:04:05 -04:00
tree-defrag.c Btrfs: Online btree defragmentation fixes 2008-09-25 11:04:04 -04:00
version.sh Btrfs: Fix version.sh when used outside of an hg repo 2008-09-25 11:04:05 -04:00
volumes.c Btrfs: implement memory reclaim for leaf reference cache 2008-09-25 11:04:05 -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 xattr support for btrfs 2008-09-25 11:03:57 -04:00