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347 commits

Author SHA1 Message Date
Chris Mason
c59f8951d4 Btrfs: Add mount option to enforce a max extent size 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:58 -04:00
Chris Mason
be20aa9dba Btrfs: Add mount option to turn off data cow 
A number of workloads do not require copy on write data or checksumming.
mount -o nodatasum to disable checksums and -o nodatacow to disable
both copy on write and checksumming.

In nodatacow mode, copy on write is still performed when a given extent
is under snapshot.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:58 -04:00
Chris Mason
b6cda9bcb4 Btrfs: Add mount -o nodatasum to turn of file data checksumming 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:58 -04:00
Wyatt Banks
2f4cbe6442 Btrfs: Return value checking in module init 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:58 -04:00
Josef Bacik
5103e947b9 xattr support for btrfs 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2008-09-25 11:03:57 -04:00
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
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
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
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
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
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
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
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
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
6cbd557078 Btrfs: add GPLv2 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-06-12 09:07:21 -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
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
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
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
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
7c4452b9a6 Btrfs: smarter transaction writeback 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 2007-04-28 09:29:35 -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
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
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
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