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path: root/fs/btrfs/root-tree.c
AgeCommit message (Collapse)Author
2008-09-25Btrfs: Add a write ahead tree log to optimize synchronous operationsChris Mason
File syncs and directory syncs are optimized by copying their items into a special (copy-on-write) log tree. There is one log tree per subvolume and the btrfs super block points to a tree of log tree roots. After a crash, items are copied out of the log tree and back into the subvolume. See tree-log.c for all the details. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Various small fixes.Yan Zheng
This trivial patch contains two locking fixes and a off by one fix. --- Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Fix deadlock while searching for dead roots on mountChris Mason
btrfs_find_dead_roots called btrfs_read_fs_root_no_radix, which means we end up calling btrfs_search_slot with a path already held. The fix is to remember the key inside btrfs_find_dead_roots and drop the path. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Properly find the root for snapshotted blocks during chunk relocationChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Change st_blocksize to 4kChris Mason
Some programs (python) do rwm cycles at the granularity returned by stat. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Support for online FS resize (grow and shrink)Chris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Create extent_buffer interface for large blocksizesChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-09-11Btrfs: Find and remove dead roots the first time a root is loaded.Chris Mason
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>
2007-07-11Btrfs: Some code cleanupsAneesh
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-07-11Btrfs: trivial include fixupsZach Brown
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>
2007-06-22Btrfs: Documentation updateChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-22Btrfs: Add the ability to find and remove dead roots after a crash.Chris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-22Btrfs: Audit callers and return codes to make sure -ENOSPC gets up the stackChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-13btrfs: Code cleanupAneesh
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>
2007-06-12Btrfs: add GPLv2Chris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-12Btrfs: printk fixesChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-12Btrfs: 64 bit div fixesChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-19Btrfs: early fsync supportChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-10Btrfs: snapshot progressChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-02Btrfs: dynamic allocation of path structChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-30Btrfs: corruption hunt continuesChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-23btrfs_create, btrfs_write_super, btrfs_sync_fsChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-22Mountable btrfs, with readdirChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-21Btrfs: initial move to kernel module landChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-16Btrfs: transaction handles everywhereChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-15Btrfs: Use a chunk of the key flags to record the item type.Chris Mason
Add (untested and simple) directory item code Fix comp_keys to use the new key ordering Add btrfs_insert_empty_item Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-14Btrfs: variable block size supportChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-03-13Btrfs: Change the super to point to a tree of trees to enable persistent ↵Chris Mason
snapshots Signed-off-by: Chris Mason <chris.mason@oracle.com>
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