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2007-08-27Btrfs: Add delayed allocation to the extent based page tree codeChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-27Btrfs: Extent based page cache code. This uses an rbtree of extents and testsChris Mason
instead of buffer heads. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-27Btrfs: Make sure to cow the root during a snapshotChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-27Btrfs: Do more extensive readahead during tree searchesChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-27fix block readahead in btrfs_next_leafYan
Send the correct slot down to reada_for_search Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-10Btrfs: delay commits during fsync to allow more writersJosef Bacik
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-10Btrfs: Add BH_Defrag to mark buffers that are in need of defraggingChris Mason
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>
2007-08-10Btrfs: Btree defrag on the extent-mapping tree as wellChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-08Btrfs: Further reduce the concurrency penalty of defrag and drop_snapshotChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-08Btrfs: Replace extent tree preallocation code with some bit radix magic.Chris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-08Btrfs: Let some locks go during defrag and snapshot droppingChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-07Btrfs: Add run time btree defrag, and an ioctl to force btree defragChris Mason
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>
2007-08-07Btrfs: Fold some btree readahead routines into something more generic.Chris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-07Btrfs: Do snapshot deletion in smaller chunks.Chris Mason
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>
2007-07-25Btrfs: cleaner make cleanJoel Becker
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-07-25Btrfs: deal with api changes in 2.6.23-rc1Chris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-07-11Btrfs: Implement mknodJosef Bacik
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>
2007-06-28Btrfs: crash recovery fixesChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-26Btrfs: Allow find_free_extent callers to pass in an exclusion rangeChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-26Btrfs: Fix super block updates during transaction commitChris Mason
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>
2007-06-25Btrfs: Fix mtime and ctime updates on parent dirsChris Mason
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>
2007-06-22Btrfs: Switch to libcrc32c to avoid problems with cryptomgr on highmem machinesChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-19Btrfs: reada while dropping snapshotsChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-19Btrfs: cache the extent tree preallocationChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-18Subject: Rework btrfs_file_write to only allocate while page locks are heldChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-15Btrfs: patch queue: page_mkwriteChris 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: i386 fixes from axboeChris Mason
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: no slashes in subvolume namesChris 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>
2007-06-12Btrfs: split up super.cChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-11Btrfs: fix oops after block group lookupChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-09Btrfs: remove device treeChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-09Btrfs: reap dead roots right after commitChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-08Btrfs: get forced transaction commits via workqueueChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-08Btrfs: add compat ioctlChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-06-07Btrfs: d_type optimizationChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-05-30Btrfs: use a separate flag for search_start vs a hint in find_free_extentChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-05-29Btrfs: block group switchingChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-05-29Btrfs: fixup various fsx failuresChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-05-24Btrfs: sparse files!Chris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-05-24Btrfs: symlinks and hard linksChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-05-23Btrfs: renameChris Mason
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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