Commit Graph

39 Commits

Author SHA1 Message Date
Chris Mason 8a4b83cc8b Btrfs: Add support for device scanning and detection ioctls
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25 11:04:01 -04:00
Chris Mason 0b86a832a1 Btrfs: Add support for multiple devices per filesystem
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25 11:04:00 -04:00
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