Commit Graph

203 Commits (1b4ab1bb4bbd3045cd041259c30b826654599e96)

Author SHA1 Message Date
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