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linux/fs/btrfs
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Chris Mason 051e1b9f74 Drop locks in btrfs_search_slot when reading a tree block. 
One lock per btree block can make for significant congestion if everyone
has to wait for IO at the high levels of the btree.  This drops
locks held by a path when doing reads during a tree search.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 		2008-09-25 11:04:03 -04:00
..
COPYING Btrfs: add GPLv2 2007-06-12 09:07:21 -04:00
INSTALL Btrfs: Documentation update 2007-06-22 14:49:31 -04:00
Makefile Btrfs: Start btree concurrency work. 2008-09-25 11:04:03 -04:00
TODO Btrfs: add GPLv2 2007-06-12 09:07:21 -04:00
acl.c Btrfs: Include sched.h in the acl code for current (fixes compile on 2.6.23) 2008-09-25 11:03:59 -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 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: Throttle file_write when data=ordered is flushing the inode 2008-09-25 11:04:02 -04:00
compat.h Btrfs: Add workaround for AppArmor changing remove_suid() 2008-09-25 11:04:02 -04:00
crc32c.h Btrfs: Endianess bug fix for v0.13 with kernels 2008-09-25 11:04:01 -04:00
ctree.c Drop locks in btrfs_search_slot when reading a tree block. 2008-09-25 11:04:03 -04:00
ctree.h Drop locks in btrfs_search_slot when reading a tree block. 2008-09-25 11:04:03 -04:00
dir-item.c Btrfs: unaligned access fixes 2008-09-25 11:04:00 -04:00
disk-io.c Drop locks in btrfs_search_slot when reading a tree block. 2008-09-25 11:04:03 -04:00
disk-io.h Btrfs: Add mount -o degraded to allow mounts to continue with missing devices 2008-09-25 11:04:03 -04:00
extent-tree.c Drop locks in btrfs_search_slot when reading a tree block. 2008-09-25 11:04:03 -04:00
extent_io.c Btrfs: Start btree concurrency work. 2008-09-25 11:04:03 -04:00
extent_io.h Btrfs: Handle write errors on raid1 and raid10 2008-09-25 11:04:03 -04:00
extent_map.c Btrfs: kerneldoc comments for extent_map.c 2008-09-25 11:04:03 -04:00
extent_map.h Btrfs: Split the extent_map code into two parts 2008-09-25 11:03:59 -04:00
file-item.c Btrfs: Clone file data ioctl 2008-09-25 11:04:02 -04:00
file.c Btrfs: Replace the big fs_mutex with a collection of other locks 2008-09-25 11:04:03 -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: Add back pointers from the inode to the directory that references it 2008-09-25 11:03:58 -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: Replace the big fs_mutex with a collection of other locks 2008-09-25 11:04:03 -04:00
ioctl.c Btrfs: Replace the big fs_mutex with a collection of other locks 2008-09-25 11:04:03 -04:00
ioctl.h Btrfs: transaction ioctls 2008-09-25 11:04:03 -04:00
locking.c Btrfs: Start btree concurrency work. 2008-09-25 11:04:03 -04:00
locking.h Btrfs: Start btree concurrency work. 2008-09-25 11:04:03 -04:00
ordered-data.c btrfs delete ordered inode handling fix 2008-09-25 11:04:03 -04:00
ordered-data.h btrfs delete ordered inode handling fix 2008-09-25 11:04:03 -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 Btrfs: Create extent_buffer interface for large blocksizes 2008-09-25 11:03:56 -04:00
root-tree.c Btrfs: Properly find the root for snapshotted blocks during chunk relocation 2008-09-25 11:04:02 -04:00
struct-funcs.c Btrfs: unaligned access fixes 2008-09-25 11:04:00 -04:00
super.c Btrfs: Replace the big fs_mutex with a collection of other locks 2008-09-25 11:04:03 -04:00
sysfs.c Btrfs: Disable sysfs files on older kernels 2008-09-25 11:04:00 -04:00
transaction.c Btrfs: Replace the big fs_mutex with a collection of other locks 2008-09-25 11:04:03 -04:00
transaction.h Btrfs: Split the extent_map code into two parts 2008-09-25 11:03:59 -04:00
tree-defrag.c Btrfs: Start btree concurrency work. 2008-09-25 11:04:03 -04:00
volumes.c Btrfs: Replace the big fs_mutex with a collection of other locks 2008-09-25 11:04:03 -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: Replace the big fs_mutex with a collection of other locks 2008-09-25 11:04:03 -04:00
xattr.h xattr support for btrfs 2008-09-25 11:03:57 -04:00