Commit graph

87 commits

Author SHA1 Message Date
Chris Mason
011410bd85 Btrfs: Add more synchronization before creating a snapshot
File data checksums are only done during writepage, so we have to make sure
all pages are written when the snapshot is taken.  This also adds some
locking so that new writes don't race in and add new dirty pages.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-09-10 19:58:36 -04:00
Josef Bacik
58176a9604 Btrfs: Add per-root block accounting and sysfs entries
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-29 15:47:34 -04:00
Josef Bacik
15ee9bc7ed Btrfs: delay commits during fsync to allow more writers
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-10 16:22:09 -04:00
Chris Mason
26b8003f10 Btrfs: Replace extent tree preallocation code with some bit radix magic.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-08 20:17:12 -04:00
Chris Mason
6702ed490c Btrfs: Add run time btree defrag, and an ioctl to force btree defrag
This adds two types of btree defrag, a run time form that tries to
defrag recently allocated blocks in the btree when they are still in ram,
and an ioctl that forces defrag of all btree blocks.

File data blocks are not defragged yet, but this can make a huge difference
in sequential btree reads.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-07 16:15:09 -04:00
Zach Brown
ec6b910fb3 Btrfs: trivial include fixups
Almost none of the files including module.h need to do so,
remove them.

Include sched.h in extent-tree.c to silence a warning about cond_resched()
being undeclared.

Signed-off-by: Zach Brown <zach.brown@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-07-11 10:00:37 -04:00
Chris Mason
ccd467d60e Btrfs: crash recovery fixes
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-28 15:57:36 -04:00
Chris Mason
4b52dff6d3 Btrfs: Fix super block updates during transaction commit
The super block written during commit was not consistent with the state of
the trees.  This change adds an in-memory copy of the super so that we can
make sure to write out consistent data during a commit.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-26 10:06:50 -04:00
Chris Mason
5eda7b5e9b Btrfs: Add the ability to find and remove dead roots after a crash.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-22 14:16:25 -04:00
Chris Mason
54aa1f4dfd Btrfs: Audit callers and return codes to make sure -ENOSPC gets up the stack
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-22 14:16:25 -04:00
Chris Mason
11bd143fc8 Btrfs: Switch to libcrc32c to avoid problems with cryptomgr on highmem machines
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-22 14:16:24 -04:00
Chris Mason
8c2383c3dd Subject: Rework btrfs_file_write to only allocate while page locks are held
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-18 09:57:58 -04:00
Chris Mason
9ebefb180b Btrfs: patch queue: page_mkwrite
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-15 13:50:00 -04:00
Chris Mason
340887809d Btrfs: i386 fixes from axboe
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-12 11:36:58 -04:00
Chris Mason
6cbd557078 Btrfs: add GPLv2
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-12 09:07:21 -04:00
Chris Mason
5af3981c18 Btrfs: printk fixes
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-12 07:50:13 -04:00
Chris Mason
39279cc3d2 Btrfs: split up super.c
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-12 06:35:45 -04:00
Chris Mason
0cf6c62017 Btrfs: remove device tree
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-09 09:22:25 -04:00
Chris Mason
facda1e787 Btrfs: get forced transaction commits via workqueue
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-08 18:11:48 -04:00
Chris Mason
08607c1b18 Btrfs: add compat ioctl
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-08 15:33:54 -04:00
Chris Mason
f9f3c6b666 Btrfs: 2.6.21-git fixes
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-05-21 14:05:12 -04:00
Chris Mason
de428b63b1 Btrfs: allocator optimizations, truncate readahead
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-05-18 13:28:27 -04:00
Chris Mason
509659cde5 Btrfs: switch to crc32c instead of sha256
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-05-10 12:36:17 -04:00
Chris Mason
e37c9e6921 Btrfs: many allocator fixes, pretty solid
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-05-09 20:13:14 -04:00
Chris Mason
be74417553 Btrfs: more allocator enhancements
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-05-06 10:15:01 -04:00
Chris Mason
35b7e47610 Btrfs: fix page cache memory leak
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-05-02 15:53:43 -04:00
Chris Mason
090d18753c Btrfs: directory readahead
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-05-01 08:53:32 -04:00
Chris Mason
28b8bb9e00 Btrfs: allocator tweaks
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-27 11:42:05 -04:00
Chris Mason
cd1bc4653d Btrfs: more block allocator work
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-27 10:08:34 -04:00
Chris Mason
9078a3e1e4 Btrfs: start of block group code
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-26 16:46:15 -04:00
Chris Mason
f2458e1d8c Btrfs: change around extent-tree prealloc
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-25 15:52:25 -04:00
Chris Mason
4d77567309 Btrfs: add owner and type fields to the extents aand block headers
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-20 20:23:12 -04:00
Chris Mason
e66f709b15 Btrfs: write barriers on commit, balance level before split
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-20 13:16:02 -04:00
Chris Mason
8fd17795b2 Btrfs: early fsync support
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-19 21:01:03 -04:00
Chris Mason
236454dfff Btrfs: many file_write fixes, inline data
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-19 13:37:44 -04:00
Chris Mason
70b2befd0c Btrfs: rework csums and extent item ordering
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-17 15:39:32 -04:00
Chris Mason
b4100d6424 Btrfs: add a device id to device items
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-12 12:14:00 -04:00
Chris Mason
8352d8a473 Btrfs: add disk ioctl, mostly working
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-12 10:43:05 -04:00
Chris Mason
7eccb903a8 Btrfs: create a logical->phsyical block number mapping scheme
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-11 15:53:25 -04:00
Chris Mason
0bd93ba022 Btrfs: early support for multiple devices
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-11 13:57:44 -04:00
Chris Mason
2619ba1f0f Btrfs: subvolumes
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-10 16:58:11 -04:00
Chris Mason
1b05da2ee6 Btrfs: drop the inode map tree
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-10 12:13:09 -04:00
Chris Mason
c5739bba52 Btrfs: snapshot progress
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-10 09:27:04 -04:00
Chris Mason
0f7d52f443 Btrfs: groundwork for subvolume and snapshot roots
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-09 10:42:37 -04:00
Chris Mason
d6e4a428eb Btrfs: start of support for many FS volumes
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-06 15:37:36 -04:00
Chris Mason
5be6f7f174 Btrfs: dirindex optimizations
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-05 13:35:25 -04:00
Chris Mason
b1a4d96509 Btrfs: tweak the inode-map and free extent search starts on cold mount
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-04 15:27:52 -04:00
Chris Mason
9d64272cd3 Btrfs: don't wait on uptodate buffers on read
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-03 11:43:19 -04:00
Chris Mason
2da566edd8 Btrfs: csum_verify_file_block locking fix
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-02 15:43:21 -04:00
Chris Mason
7cfcc17e7f Btrfs: corruptions fixed
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-02 14:53:59 -04:00