Commit graph

37 commits

Author SHA1 Message Date
Chris Mason
e2008b6140 Btrfs: Add some simple throttling to wait for data=ordered and snapshot deletion
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25 11:03:59 -04:00
Chris Mason
dc17ff8f11 Btrfs: Add data=ordered support
This forces file data extents down the disk along with the metadata that
references them.  The current implementation is fairly simple, and just
writes out all of the dirty pages in an inode before the commit.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25 11:03:59 -04:00
Chris Mason
edbd8d4efe Btrfs: Support for online FS resize (grow and shrink)
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25 11:03:58 -04:00
Chris Mason
ff79f8190b Btrfs: Add back file data checksumming
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25 11:03:57 -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
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
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
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
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
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
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
ccd467d60e Btrfs: crash recovery fixes
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-28 15:57:36 -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
6cbd557078 Btrfs: add GPLv2
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-12 09:07:21 -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
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
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
2c90e5d658 Btrfs: still corruption hunting
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-02 10:50:19 -04:00
Chris Mason
f254e52c1c Btrfs: verify csums on read
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-29 15:15:27 -04:00
Chris Mason
d98237b3ed Btrfs: use a btree inode instead of sb_getblk
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-28 13:57:48 -04:00
Chris Mason
79154b1b5b Btrfs: transaction rework
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-22 15:59:16 -04:00
Chris Mason
e20d96d64f Mountable btrfs, with readdir
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-22 12:13:20 -04:00
Chris Mason
2e635a2783 Btrfs: initial move to kernel module land
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-21 11:12:56 -04:00
Chris Mason
e089f05c18 Btrfs: transaction handles everywhere
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-16 16:20:31 -04:00
Chris Mason
123abc88c9 Btrfs: variable block size support
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-14 14:14:43 -04:00
Chris Mason
3768f3689f Btrfs: Change the super to point to a tree of trees to enable persistent snapshots
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-13 16:47:54 -04:00
Chris Mason
234b63a091 rename funcs and structs to btrfs
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-13 10:46:10 -04:00
Chris Mason
a28ec19775 Btrfs: Fixup reference counting on cows
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-06 20:08:01 -05:00
Chris Mason
ed2ff2cba7 Btrfs: pretend page cache & commit code
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-01 18:59:40 -05:00
Chris Mason
9a8dd1502d Btrfs: Block sized tree extents and extent deletion
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-02-23 08:38:36 -05:00
Chris Mason
cfaa72952f Btrfs: extent fixes
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-02-21 17:04:57 -05:00
Chris Mason
d97e63b69e Btrfs: early extent mapping support
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-02-20 16:40:44 -05:00
Chris Mason
eb60ceac0e Btrfs: Add backing store, memory management
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-02-02 09:18:22 -05:00