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Zheng Yan 5b21f2ed3f Btrfs: extent_map and data=ordered fixes for space balancing ... * Add an EXTENT_BOUNDARY state bit to keep the writepage code from merging data extents that are in the process of being relocated. This allows us to do accounting for them properly. * The balancing code relocates data extents indepdent of the underlying inode. The extent_map code was modified to properly account for things moving around (invalidating extent_map caches in the inode). * Don't take the drop_mutex in the create_subvol ioctl. It isn't required. * Fix walking of the ordered extent list to avoid races with sys_unlink * Change the lock ordering rules. Transaction start goes outside the drop_mutex. This allows btrfs_commit_transaction to directly drop the relocation trees. Signed-off-by: Chris Mason <chris.mason@oracle.com>		17 years ago
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COPYING	Btrfs: add GPLv2	18 years ago
INSTALL	Btrfs: Documentation update	18 years ago
Makefile	Update Btrfs files for in-kernel usage	17 years ago
TODO	Btrfs: add GPLv2	18 years ago
acl.c	Btrfs: optimize btrget/set/removexattr	17 years ago
async-thread.c	Remove Btrfs compat code for older kernels	17 years ago
async-thread.h	Btrfs: Give all the worker threads descriptive names	17 years ago
bit-radix.c	Btrfs: trivial include fixups	18 years ago
bit-radix.h	Btrfs: add GPLv2	18 years ago
btrfs_inode.h	Btrfs: Dir fsync optimizations	17 years ago
compat.h	Remove Btrfs compat code for older kernels	17 years ago
crc32c.h	Remove Btrfs compat code for older kernels	17 years ago
ctree.c	Btrfs: extent_map and data=ordered fixes for space balancing	17 years ago
ctree.h	Btrfs: extent_map and data=ordered fixes for space balancing	17 years ago
dir-item.c	Btrfs: Add a write ahead tree log to optimize synchronous operations	17 years ago
disk-io.c	Btrfs: Add shared reference cache	17 years ago
disk-io.h	Btrfs: Tree logging fixes	17 years ago
export.c	Remove Btrfs compat code for older kernels	17 years ago
export.h	NFS support for btrfs - v3	17 years ago
extent-tree.c	Btrfs: allocator fixes for space balancing update	17 years ago
extent_io.c	Btrfs: extent_map and data=ordered fixes for space balancing	17 years ago
extent_io.h	Btrfs: extent_map and data=ordered fixes for space balancing	17 years ago
extent_map.c	Btrfs: Fix add_extent_mapping to check for duplicates across the whole range	17 years ago
extent_map.h	Btrfs: Fix some data=ordered related data corruptions	17 years ago
file-item.c	Btrfs: Fix variable init during csum creation	17 years ago
file.c	Btrfs: extent_map and data=ordered fixes for space balancing	17 years ago
free-space-cache.c	Btrfs: Fix allocation completions in tree log replay	17 years ago
hash.h	Switch btrfs_name_hash() to crc32c	17 years ago
inode-item.c	Btrfs: Implement new dir index format	17 years ago
inode-map.c	Btrfs: extent_map and data=ordered fixes for space balancing	17 years ago
inode.c	Btrfs: extent_map and data=ordered fixes for space balancing	17 years ago
ioctl.c	Btrfs: extent_map and data=ordered fixes for space balancing	17 years ago
ioctl.h	Btrfs: transaction ioctls	17 years ago
locking.c	btrfs_search_slot: reduce lock contention by cowing in two stages	17 years ago
locking.h	btrfs_search_slot: reduce lock contention by cowing in two stages	17 years ago
ordered-data.c	Btrfs: extent_map and data=ordered fixes for space balancing	17 years ago
ordered-data.h	Btrfs: Fix nodatacow for the new data=ordered mode	17 years ago
orphan.c	Btrfs: Create orphan inode records to prevent lost files after a crash	17 years ago
print-tree.c	Btrfs: Full back reference support	17 years ago
print-tree.h	Btrfs: Create extent_buffer interface for large blocksizes	17 years ago
ref-cache.c	Btrfs: Add shared reference cache	17 years ago
ref-cache.h	Btrfs: Add shared reference cache	17 years ago
root-tree.c	Btrfs: Add a write ahead tree log to optimize synchronous operations	17 years ago
struct-funcs.c	Btrfs: unaligned access fixes	17 years ago
super.c	Remove Btrfs compat code for older kernels	17 years ago
sysfs.c	Remove Btrfs compat code for older kernels	17 years ago
transaction.c	Btrfs: extent_map and data=ordered fixes for space balancing	17 years ago
transaction.h	Btrfs: Record dirty pages tree-log pages in an extent_io tree	17 years ago
tree-defrag.c	Btrfs: Add a write ahead tree log to optimize synchronous operations	17 years ago
tree-log.c	Btrfs: Full back reference support	17 years ago
tree-log.h	Btrfs: Add a write ahead tree log to optimize synchronous operations	17 years ago
version.h	Update Btrfs files for in-kernel usage	17 years ago
version.sh	Btrfs: Update version.sh to v0.16	17 years ago
volumes.c	Remove Btrfs compat code for older kernels	17 years ago
volumes.h	Btrfs: Fix the multi-bio code to save the original bio for completion	17 years ago
xattr.c	Btrfs: optimize btrget/set/removexattr	17 years ago
xattr.h	Btrfs: optimize btrget/set/removexattr	17 years ago