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347 Commits

Author SHA1 Message Date
Chris Mason
3326d1b07c Btrfs: Allow tails larger than one page 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
4dc119046d Btrfs: Add an extent buffer LRU to reduce radix tree hits 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
e19caa5f0e Btrfs: Fix allocation routines to avoid intermixing data and metadata allocations 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
6b80053d02 Btrfs: Add back the online defragging code 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
09e71a3263 Btrfs: Use an array of pages in the extent buffers to reduce the cost of find_get_page 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
14048ed0c4 Btrfs: Cache extent buffer mappings 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
db94535db7 Btrfs: Allow tree blocks larger than the page size 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
1a5bc167f6 Btrfs: Change the remaining radix trees used by extent-tree.c to extent_map trees 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
96b5179d0d Btrfs: Stop using radix trees for the block group cache 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
f510cfecfc Btrfs: Fix extent_buffer and extent_state leaks 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
ae5252bd51 Btrfs: Go back to kmaps instead of page_address in extent_buffers 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
6d36dcd48f Btrfs: Avoid memcpy where possible in extent_buffers 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
479965d66e Btrfs: Optimizations for the extent_buffer code 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
5f39d397df Btrfs: Create extent_buffer interface for large blocksizes 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
50b78c24d5 btrfs_get_extent should treat inline extents as though they hold a whole block 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Christoph Hellwig
b3cfa35a49 Btrfs: factor page private preparations into a helper 
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Yan
8e1cd76664 Btrfs: Fix double free and off by one in inode.c 
The first change removes  potential double free, the second fix a off
by one error.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Yan
bab9fb035f Btrfs: truncate: don't update inode->i_blocks when extent is a hole 
I think check whether extent is a hole before update 'inode->i_blocks'
is unconditional required. (original codes check it only when
del_item isn't equal to 0)

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Yan
23223584e4 create btrfs_path slab with the correct size 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Yan
a61721d5b7 fix found_type decrement in btrfs_truncate_in_trans 
found_type has already been decreased by codes above the change,  I
think decrease it by one again doesn't make sense.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
cf67582bb2 Btrfs: Fix duplicate ENOSPC checks in find_free_extent 
find_free_extent would fail to wrap around to the start of the drive because
it was doing the enospc case checking twice in some cases, causing it
to return -ENOSPC early.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:56 -04:00
Chris Mason
d3c2fdcf7b Btrfs: Use balance_dirty_pages_nr on btree blocks 
btrfs_btree_balance_dirty is changed to pass the number of pages dirtied
for more accurate dirty throttling.  This lets the VM make better decisions
about when to force some writeback.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:00:48 -04:00
Yan
7d7d6068be Btrfs: Fix cache_block_group to catch holes at the start of the group 
Cache block group was overly complex and missed free blocks at the very start
of the group.  This patch simplifies things significantly.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-14 16:15:28 -04:00
Yan
6af858b24c Btrfs: Fix off by one error in dirty_and_release_pages 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-14 10:23:29 -04:00
Christoph Hellwig
d03581f434 split up btrfs_ioctl 
Add a helper per ioctl function to make the code more readable.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-14 10:22:57 -04:00
Christoph Hellwig
34287aa360 Btrfs: use unlocked_ioctl 
No reason to grab the BKL before calling into the btrfs ioctl code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-14 10:22:47 -04:00
Jan Engelhardt
432eba0882 Btrfs: Simplify makefile 
Single-colons will do here.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-14 10:22:19 -04:00
Chris Mason
84a5d5eefd Btrfs: add modules_install target 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-14 09:43:53 -04:00
Chris Mason
93a6925ec1 Btrfs: Fix extra link count dec in rename 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-14 09:42:31 -04:00
Chris Mason
5ce14bbcdd Btrfs: Find and remove dead roots the first time a root is loaded. 
Dead roots are trees left over after a crash, and they were either in the
process of being removed or were waiting to be removed when the box crashed.
Before, a search of the entire tree of root pointers was done on mount
looking for dead roots.  Now, the search is done the first time we load
a root.

This makes mount faster when there are a large number of snapshots, and it
enables the block accounting code to properly update the block counts on
the latest root as old versions of the root are reaped after a crash.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-11 11:15:39 -04:00
Christoph Hellwig
0e2752a72c Btrfs: [PATCH] extent_map: add writepage_end_io hook 
XFS updates the ondisk inode size only after the data I/O has finished,
so it needs a hook when the writepage end_bio handler has finished.

Might not be worth applying as-is as the per-page callback is very
ineffcient.  What XFS really wants is a callback when writeout of a
whole extent has completed.  This delayed i_size updates scheme might
be worthwile for btrfs aswell, btw.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-10 20:02:33 -04:00
Christoph Hellwig
b06355f0fe Btrfs: [PATCH] extent_map: make the writepage_io hook optional 
The writepage_io is not mandatory, e.g. my port of xfs to the extent_map
code does not have one for now.  So handle a NULL pointer gracefully
here.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-10 20:02:32 -04:00
Christoph Hellwig
d396c6f554 Btrfs: [PATCH] extent_map: provide generic bmap 
generic_bmap is completely trivial, while the extent to bh mapping in
btrfs is rather complex.  So provide a extent_bmap instead that takes
a get_extent callback and can be used by filesystem using the extent_map
code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-10 20:02:30 -04:00
Christoph Hellwig
90f1c19a9f Btrfs: [PATCH] extent_map: fix locking for bio completion 
The bio completion handlers can be run in any context, e.g. when using
the old ide driver they run in hardirq context with irqs disabled so
lockdep rightfully warns about using write_lock_irq useage in these
handlers.

This patch switches clear_extent_bit and set_extent_bit to
write_lock_irqsave to fix this problem.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-10 20:02:27 -04:00
Christoph Hellwig
9433063bcb [PATCH] btrfs: fix printk format warning 
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-10 20:02:22 -04:00
Chris Mason
a8c450b211 Btrfs: Reorder tests in set_extent_bit to properly find holes 
Yan Zheng noticed that set_extent_bit was exiting too early when there
was a hole in the map.  The fix is to reorder the tests to check for the
hole first.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-10 20:00:27 -04:00
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
Chris Mason
86479a04ee Add support for defragging files via btrfsctl -d. Avoid OOM on extent tree 
defrag.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-09-10 19:58:16 -04:00
Chris Mason
8e21528f87 Btrfs: remove extra drop_extent_cache call 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-30 12:16:51 -04:00
Chris Mason
2bf5a725a3 Btrfs: fsx delalloc fixes 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-30 11:54:02 -04:00
Chris Mason
07157aacb1 Btrfs: Add file data csums back in via hooks in the extent map code 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-30 08:50:51 -04:00
Chris Mason
95e0528919 Btrfs: Use mount -o subvol to select the subvol directory instead of dev: 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-29 09:11:44 -04:00
Yan
e9fe395e47 Btrfs: Fix oopsen in extent_tree.c during enospc 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-29 09:11:44 -04:00
Yan
4b82d6e4a5 Btrfs: Add mount into directory support 
Modified form of original patch from Christoph Hellwig to make btrfs
mount into the default subvolume by default.

mount /dev/somedevice:subvolumename to get other subvolumes or
mount /dev/somedevice:. to get the root

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-29 09:11:44 -04:00
Yan
1b4ab1bb4b Btrfs: Fix mknod to properly send rdev info back to disk 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-29 09:11:44 -04:00
Yan
252c38f069 Btrfs: ctree.c cleanups 
Fixup a few buffer_head release errors, and fix an off by one in
balance_node_right.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-29 09:11:44 -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
Chris Mason
b888db2bd7 Btrfs: Add delayed allocation to the extent based page tree code 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-27 16:49:44 -04:00
Chris Mason
a52d9a8033 Btrfs: Extent based page cache code. This uses an rbtree of extents and tests 
instead of buffer heads.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-27 16:49:44 -04:00
Chris Mason
83df7c1d8b Btrfs: Make sure to cow the root during a snapshot 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-27 16:49:44 -04:00
Chris Mason
2cc58cf24f Btrfs: Do more extensive readahead during tree searches 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-27 16:49:44 -04:00
Yan
3202061128 fix block readahead in btrfs_next_leaf 
Send the correct slot down to reada_for_search

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-27 15:17:54 -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
f2183bde1a Btrfs: Add BH_Defrag to mark buffers that are in need of defragging 
This allows the tree walking code to defrag only the newly allocated
buffers, it seems to be a good balance between perfect defragging and the
performance hit of repeatedly reallocating blocks.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-10 14:42:37 -04:00
Chris Mason
e9d0b13b5b Btrfs: Btree defrag on the extent-mapping tree as well 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-10 14:06:19 -04:00
Chris Mason
409eb95d7f Btrfs: Further reduce the concurrency penalty of defrag and drop_snapshot 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-08 20:17:12 -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
f4468e94c8 Btrfs: Let some locks go during defrag and snapshot dropping 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-08 10:08:58 -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
Chris Mason
3c69faecb8 Btrfs: Fold some btree readahead routines into something more generic. 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-07 15:52:22 -04:00
Chris Mason
9f3a742736 Btrfs: Do snapshot deletion in smaller chunks. 
Before, snapshot deletion was a single atomic unit.  This caused considerable
lock contention and required an unbounded amount of space.  Now,
the drop_progress field in the root item is used to indicate how far along
snapshot deletion is, and to resume where it left off.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-08-07 15:52:19 -04:00
Joel Becker
8578f0f1fd Btrfs: cleaner make clean 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-07-25 14:04:51 -04:00
Chris Mason
92fee66d49 Btrfs: deal with api changes in 2.6.23-rc1 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-07-25 12:31:35 -04:00
Josef Bacik
618e21d595 Btrfs: Implement mknod 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-07-11 10:18:17 -04:00
Aneesh
a1f396304f Btrfs: Some code cleanups 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-07-11 10:03:27 -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
f2654de42a Btrfs: Allow find_free_extent callers to pass in an exclusion range 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-06-26 12:20:46 -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
79c44584ea Btrfs: Fix mtime and ctime updates on parent dirs 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-06-25 10:09:33 -04:00
Chris Mason
22bb92f376 Btrfs: Documentation update 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-06-22 14:49:31 -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
e011599b0f Btrfs: reada while dropping snapshots 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-06-19 16:23:05 -04:00
Chris Mason
85e55b13e4 Btrfs: cache the extent tree preallocation 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-06-19 15:50:51 -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
Aneesh
f1ace244c8 btrfs: Code cleanup 
Attaching below is some of the code cleanups that i came across while
reading the code.

a) alloc_path already calls init_path.
b) Mention that btrfs_inode is the in memory copy.Ext4 have ext4_inode_info as
the in memory copy ext4_inode as the disk copy

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-06-13 16:18:26 -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
8a712645c3 Btrfs: no slashes in subvolume names 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-06-12 08:21:35 -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
84f54cfa78 Btrfs: 64 bit div fixes 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-06-12 07:43:08 -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
5276aedab0 Btrfs: fix oops after block group lookup 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-06-11 21:33:38 -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
ad693af684 Btrfs: reap dead roots right after commit 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-06-09 08:19:57 -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
fabb568183 Btrfs: d_type optimization 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-06-07 22:13:21 -04:00
Chris Mason
fbdc762b4e Btrfs: use a separate flag for search_start vs a hint in find_free_extent 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-05-30 10:22:12 -04:00
Chris Mason
1e2677e000 Btrfs: block group switching 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-05-29 16:52:18 -04:00
Chris Mason
1de037a43e Btrfs: fixup various fsx failures 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-05-29 15:17:08 -04:00
Chris Mason
3a68637562 Btrfs: sparse files! 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-05-24 13:35:57 -04:00
Chris Mason
2b8d99a723 Btrfs: symlinks and hard links 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-05-24 08:34:10 -04:00
Chris Mason
e06afa839e Btrfs: rename 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-05-23 15:44:28 -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
098f59c251 Btrfs: patch queue: fix corruption when splitting large items 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-05-11 11:33:21 -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
8d7be552a7 Btrfs: fix check_node and check_leaf to use less cpu 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-05-10 11:24:42 -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
3e1ad54fe2 Btrfs: allocator and tuning 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-05-07 20:03:49 -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
be08c1b9f8 Btrfs: early metadata/data split 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-05-03 09:06:49 -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
31f3c99b73 Btrfs: allocator improvements, inode block groups 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-30 15:25:45 -04:00
Chris Mason
308535a05e Btrfs: prealloc more blocks for the extent map 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-28 15:17:08 -04:00
Chris Mason
7c4452b9a6 Btrfs: smarter transaction writeback 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-28 09:29:35 -04:00
Chris Mason
06a2f9fa4c Btrfs: try to drop dead cow pages from ram 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-28 08:48:10 -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
f68cad0f9e Btrfs: fixup dirty_inode related deadlocks 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-24 12:44:26 -04:00
Chris Mason
c62a1920ce Btrfs: get rid of the extent_item type field 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-24 12:07:39 -04:00
Chris Mason
b51338628f Btrfs: add dirty_inode call 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-24 11:52:22 -04:00
Chris Mason
5e82849e63 Btrfs: new subvolume oops fix 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-23 19:10:49 -04:00
Chris Mason
5d0c3e60fe Btrfs: fix extent owner/type setting on extent tree blocks 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-23 17:01:05 -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
33ade1f826 Btrfs: node balance optimizations 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-20 13:48:57 -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
7e38180e20 Btrfs: directory inode index is back 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-19 15:36:27 -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
a429e51371 Btrfs: working file_write, reorganized key flags 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-18 16:15:28 -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
b18c668581 Btrfs: progress on file_write 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-17 13:26:50 -04:00
Chris Mason
6567e837df Btrfs: early work to file_write in big extents 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-16 09:22:45 -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
cac87faa09 Btrfs: use a dedicated inode num for root root dir 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-11 08:59:20 -04:00
Chris Mason
2d13d8d065 Btrfs: detect duplicate subvol names 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-10 20:07:20 -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
2932f3ec94 Btrfs: when forced to cow for file_write, get the page uptodate first 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-10 14:22:02 -04:00
Chris Mason
79b2cb1fa6 Btrfs: only cow in get_block when create==1 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-10 13:51:41 -04:00
Chris Mason
48ddc6f44b Btrfs: cow file extents before writing 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-10 13:20:21 -04:00
Chris Mason
d0dbc6245c Btrfs: drop owner and parentid 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-10 12:36:36 -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
3eb0314dc1 Btrfs: uuids 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-05 14:28:50 -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
7fcde0e329 Btrfs: finish off inode indexing in dirs, add overflows 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-05 12:13:21 -04:00
Chris Mason
5f26f772e5 Btrfs: more inode indexed directory work 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-05 10:38:44 -04:00