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* Pass down the expected generation number when reading tree blocksChris Mason2008-05-12
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* Fix the pretty print code for num_bytes == 0Chris Mason2008-05-12
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* Add a readonly flag open_ctree to force RO opensChris Mason2008-05-05
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* bcp updates for single file copiesChris Mason2008-05-02
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* Add bcp to test the clone file ioctlChris Mason2008-05-02
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* Fix compiler warning in volumes.cChris Mason2008-05-02
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* Add the clone ioctl numberChris Mason2008-05-02
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* Fix uninitialized variables, and use -O so gcc starts checking for themChris Mason2008-05-01
| | | | | | | | Gcc only sends warnings for uninitialized variables when you compile with -O, and there were a couple of bugs sprinkled in the code. The biggest was the alloc_start variable for mkfs, which can cause strange things to happen. (thanks to Gabor Micsko for helping to find this)
* Added tag v0.14 for changeset 969099968b60Chris Mason2008-04-29
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* Fix btrfs-convert's large file support.Zhu2008-04-28
| | | | | | This patch add ext2_inode.i_size_high into account when calculating regular file's size in btrfs-convert, which makes it deal with large files bigger than 4GB properly.
* Add btrfs-vol command to balance, add and (eventually) remove devicesChris Mason2008-04-28
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* Add mkfs.btrfs -A offset to control allocation start on devicesChris Mason2008-04-25
| | | | | | This is a utility option for the resizer, it makes sure to allocate at offset bytes in the disk or higher. It ensures the resizer will have something to move when testing it.
* Speed improvement and bug fixes for ext3 converterYan Zheng2008-04-24
| | | | | | | | This patch improves converter's allocator and fixes a bug in data relocation function. The new allocator caches free blocks as Btrfs's default allocator. In testing here, the user CPU time reduced to half of the original when checksum and small file packing was disabled. This patch also enlarges the size of block groups created by the converter.
* Fix balance_level to free the middle block if there is room in the left oneChris Mason2008-04-24
| | | | | | balance level starts by trying to empty the middle block, and then pushes from the right to the middle. This might empty the right block and leave a small number of pointers in the middle.
* Don't empty the middle buffer in push_nodes_for_insertChris Mason2008-04-24
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* Keep more pointers free in the nodes for double splitsChris Mason2008-04-24
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* Drop quick-test from the list of programs built by defaultChris Mason2008-04-22
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* Update the Ext3 converterChris Mason2008-04-22
| | | | | | | | | | | The main changes in this patch are adding chunk handing and data relocation ability. In the last step of conversion, the converter relocates data in system chunk and move chunk tree into system chunk. In the rollback process, the converter remove chunk tree from system chunk and copy data back. Regards YZ ---
* Add a command to show all of the btrfs filesystems on the box (btrfs-show)Chris Mason2008-04-22
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* Fix chunk allocation when some devices don't have enough room for the stripeChris Mason2008-04-18
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* Add checks to avoid adding the same device twice during mkfsChris Mason2008-04-18
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* Use better chunk sizes for small and large filesystemsChris Mason2008-04-18
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* Add support for filesystem labels via mkfs.btrfs -LChris Mason2008-04-18
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* Use device uuids when scanning devicesChris Mason2008-04-18
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* Add raid10 supportChris Mason2008-04-16
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* Add chunk uuids and update multi-device back referencesChris Mason2008-04-15
| | | | | | | | | | | | | | | | | | Block headers now store the chunk tree uuid Chunk items records the device uuid for each stripes Device extent items record better back refs to the chunk tree Block groups record better back refs to the chunk tree The chunk tree format has also changed. The objectid of BTRFS_CHUNK_ITEM_KEY used to be the logical offset of the chunk. Now it is a chunk tree id, with the logical offset being stored in the offset field of the key. This allows a single chunk tree to record multiple logical address spaces, upping the number of bytes indexed by a chunk tree from 2^64 to 2^128.
* Fix up the quick btree code test programChris Mason2008-04-15
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* Fix a few casts for 32 bit compileChris Mason2008-04-11
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* Write all super blocks during commitChris Mason2008-04-10
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* Retry metadata reads in the face of checksum failuresChris Mason2008-04-09
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* Change btrfs_map_block to return a structure with mappings for all stripesChris Mason2008-04-09
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* Don't allow written blocks from this transaction to be reallocatedChris Mason2008-04-04
| | | | | | | | | | | | When a block is freed, it can be immediately reused if it is from the current transaction. But, an extra check is required to make sure the block had not been written yet. If it were reused after being written, the transid in the block header might match the transid of the next time the block was allocated. The parent node records the transaction ID of the block it is pointing to, and this is used as part of validating the block on reads. So, there can only be one version of a block per transaction.
* Use leafsize and nodesize == pagesize for nowChris Mason2008-04-09
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* Recow all roots at the end of mkfsChris Mason2008-04-04
| | | | | | The mkfs code bootstraps the filesystem on a single device. Once the raid block groups are setup, it needs to recow all of the blocks so that each tree is properly allocated.
* Add mkfs options for data and metadata mirroring modesChris Mason2008-04-03
| | | | | | | | | | | | | | mkfs.btrfs --data {raid0,raid1,single} mkfs.btrfs --metadata {raid0,raid1,single} In single mode, no extra duplication or striping is done. In raid0 mode, blocks are spread across all of the available devices In raid1 mode, blocks are mirrored across two devices. For metadata, if raid1 is used and there is only one device, the metadata is duplicated on that single spindle. The defaults are raid0 for data and raid1 for metadata
* Add support for single single duplication of metadataChris Mason2008-04-03
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* Add mirroring support across multiple drivesChris Mason2008-04-03
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* Use getopt_long and introduce long mkfs options. -s now means --sectorsizeChris Mason2008-04-01
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* btrfs-progs: Fix printf format casting errorsAlex Chiang2008-04-01
| | | | | | | | | | | We get lots of warnings of the flavor: utils.c:441: warning: format '%Lu' expects type 'long long unsigned int' but argument 2 has type 'u64' And thanks to -Werror, the build fails. Clean up these printfs by properly casting the arg to the format specified. Signed-off-by: Alex Chiang <achiang@hp.com>
* btrfs-progs: Stop stomping on 'name' input parameterAlex Chiang2008-04-01
| | | | | | | | | | | | | | | | | In btrfs_name_hash, Local variable 'buf' is declared as __u32 buf[2]; but we then try to do this: buf[0] = 0x67452301; buf[1] = 0xefcdab89; buf[2] = 0x98badcfe; buf[3] = 0x10325476; Oops. Fix buf to be the proper size. Signed-off-by: Alex Chiang <achiang@hp.com>
* check if partition is mounted before mkfsGoldwyn Rodrigues2008-04-01
| | | | | | | | This saves from the blunder of formatting a live mounted filesystem. This can be extended to get the mount flags of the filesystem mounted. Signed-off-by: Goldwyn Rodrigues <rgoldwyn@gmail.com>
* Update struct btrfs_header flags, and use it to indicate buffers are writtenChris Mason2008-04-01
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* Implement raid0 when multiple devices are presentChris Mason2008-03-25
| | | | This defaults to striping across all devices
* Walk all block devices looking for btrfsChris Mason2008-03-24
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* ioctls to scan for btrfs filesystemsChris Mason2008-03-24
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* Btrfsck updates for multi-device filesystemsChris Mason2008-03-24
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* Dynamic chunk allocationChris Mason2008-03-24
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* Add support for multiple devices per filesystemChris Mason2008-03-24
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* Remove extent back refs in batches, and avoid duplicate searchesChris Mason2008-03-04
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* Add debugging for block group update failureChris Mason2008-02-04
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