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* btrfs-progs: extent-tree: Introduce function to find the first overlapping ↵Qu Wenruo2016-06-07
| | | | | | | | | | | | extent Introduce a new function, btrfs_search_overlap_extent() to find the first overlapping extent. It's useful for later btrfs-convert rework. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Introduce function to create convert data chunksQu Wenruo2016-06-07
| | | | | | | | | | | Introduce new function, make_convert_data_chunks(), to build up data chunks for convert. It will call a modified version of btrfs_alloc_data_chunk() to force data chunks to covert all known ext* data. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Introduce function to setup temporary extent treeQu Wenruo2016-06-07
| | | | | | | | Introduce new function, setup_temporary_extent_tree() to build a temporary extent tree for make_btrfs_v2(). Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Introduce function to initialize csum treeQu Wenruo2016-06-07
| | | | | | | | Introduce new function, setup_temp_csum_tree(), to setup temporary csum tree for make_btrfs_v2(). Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Introduce function to initialize fs treeQu Wenruo2016-06-07
| | | | | | | | Introudce new function, setup_temp_fs_tree(), to setup temporary fs tree for make_btrfs_v2(). Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Introduce function to initialize device treeQu Wenruo2016-06-07
| | | | | | | | Introduce new function, setup_temp_device_tree(), to setup temporary device tree for make_btrfs_v2(). Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Introduce function to setup temporary chunk rootQu Wenruo2016-06-07
| | | | | | | | Introduce new function, setup_temp_chunk_root(), to initialize temporary chunk root for make_btrfs_v2(). Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Introduce function to setup temporary tree rootQu Wenruo2016-06-07
| | | | | | | | | | | | | | Introduce new function, setup_temp_tree_root(), to initialize temporary tree root for make_btrfs_v2(). The new function will setup tree root at metadata chunk and ensure data won't be written into metadata chunk. Also, new make_btrfs_v2() will have a much better code structure than old make_btrfs(). Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Introduce function to setup temporary superblockQu Wenruo2016-06-07
| | | | | | | | | Introduce a new function, setup_temp_super(), to setup temporary super for make_btrfs_v2(). Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> [ use __strncpy_null in setup_temp_super ] Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: utils: Introduce new function for convertQu Wenruo2016-06-07
| | | | | | | | | | | | | | | | Introduce new function make_convert_btrfs() for convert. This new function will have the following features: 1) Allocate temporary sb/metadata/system chunk, avoiding old used data 2) More structured functions No more over 1000 lines function, better function split and code reuse This will finally replace current make_btrfs(), but now only used for convert. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: Introduce function to calculate the available spaceQu Wenruo2016-06-07
| | | | | | | | | | | | | | | | | | | Introduce a new function, calculate_available_space() to get available space cache_tree data_chunks cache_tree. Unlike old implementation, this function will do the new work: 1) batch used ext* data space. To ensure data chunks will recovery them all. And restore the result into mkfs_cfg->convert_data_chunks for later use. 2) avoid SB and reserved space at chunk level Both batched data space or free space will not cover reserved space, like SB or the first 1M. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: Introduce new function to remove reserved rangesQu Wenruo2016-06-07
| | | | | | | | | | | | | Introduce functions to remove reserved ranges for later btrfs-convert rework. The reserved ranges includes: 1. [0,1M) 2. [btrfs_sb_offset(1), +BTRFS_STRIPE_LEN) 3. [btrfs_sb_offset(2), +BTRFS_STRIPE_LEN) Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: Introduce functions to read used spaceQu Wenruo2016-06-07
| | | | | | | | | | | | | Before we do real convert, we need to read and build up used space cache tree for later data/meta separate chunk layout. This patch will iterate all used blocks in ext2 filesystem and record it into cctx->used cache tree, for later use. This provides the very basic of later btrfs-convert rework. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: add compatibility layer for e2fsprogs < 1.42Qu Wenruo2016-06-07
| | | | | | | | | | | | | | The new convert framework copies code from current dumpe2fs, which uses BIGALLOC feature introduced in e2fsprogs v1.42. While there are a lot of enterprise distributions which are still using v1.41 e2fsprogs, this will cause compile error for them. This patch introduces backward compatibility for new convert framework, by manually introduce macros for ext2 BIGALLOC feature. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: 004-ext2-backup-superblock-ranges, use common helpers ↵David Sterba2016-06-03
| | | | | | for image loop Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: 004-ext2-backup-superblock-ranges, drop unnecessary root ↵David Sterba2016-06-03
| | | | | | | | | | privs We really use root only for mount/umount and access to the ext2_saved image (that has 0600). Also switch to common variable so we can use helpers. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: unify test driversDavid Sterba2016-06-03
| | | | | | Remove unnecessary code, add exports to all common variables. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: convert: set common variablesDavid Sterba2016-06-03
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: clean up the test driver of convert testsDavid Sterba2016-06-03
| | | | | | Everything is now in separate tests, and TEST=mask now works. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: convert: separate ext4 testsDavid Sterba2016-06-03
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: convert: separate ext3 testsDavid Sterba2016-06-03
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: convert: separate ext2 testsDavid Sterba2016-06-03
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: move convert helpers to a separate fileDavid Sterba2016-06-03
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert-tests: Add test case for backup superblock migrationQu Wenruo2016-06-03
| | | | | | | | | | | | | | | | | | | | | | New convert introduced simpler chunk/extent allocation algorithm, at the cost of complex backup superblock migration codes. Use specially built ext2 images to test if btrfs-convert can convert and rollback images without problem. All these special ext2 image have blocks/holes across 2nd btrfs backup superblock. The naming of test image is like the following: |<------superblock migration range----->| 64M 64M + 64K |-Data--|-Data--|/Hole//|-Data--|/Hole//|-Data--|--Data--| = drdhdhdrd These test cases should check all typical layouts and make sure new convert works. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert-tests: Add support for custom test scriptsQu Wenruo2016-06-03
| | | | | | | | | | | | | Add support for custom convert test scripts, just like fsck tests. Instead of generic convert tests, we need more specifically created images for new convert tests. This patch provide the needed infrastructure for later convert test cases. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: btrfs-crc: make argc check more strictSatoru Takeuchi2016-06-03
| | | | | Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: btrfs-crc: improve usage messageSatoru Takeuchi2016-06-03
| | | | | | | | - If -c is set, filename argument is ignored. - Describe about -h option Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: btrfs-crc: print usage on receiving invalid argumentsSatoru Takeuchi2016-06-03
| | | | | | | | Usage is only printed if -h option is set. However it's nice to do it when wrong option is set or the number of argument is wrong. Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: btrfs-crc should be ignored by gitSatoru Takeuchi2016-06-03
| | | | | | | It's a binary built from btrfs-crc.c Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: btrfs-crc: fix build errorSatoru Takeuchi2016-06-03
| | | | | | | | | | | | | | | | | | | Remove the following build error. ==================================== $ make btrfs-crc [CC] btrfs-crc.o [LD] btrfs-crc btrfs-crc.o: In function `usage': /home/sat/src/btrfs-progs/btrfs-crc.c:26: multiple definition of `usage' help.o:/home/sat/src/btrfs-progs/help.c:125: first defined here collect2: error: ld returned 1 exit status Makefile:294: recipe for target 'btrfs-crc' failed make: *** [btrfs-crc] Error 1 ===================================== Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: use wider int type in btrfs_min_global_blk_rsv_sizeDavid Sterba2016-06-03
| | | | | | | | We know nodesize should not overflow with the shift, but le'ts make the code correct if the resulting type can store the full value. Resolves-coverity-id: 1358120 Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Use new random number APIQu Wenruo2016-06-03
| | | | | | | | | | | | | Replace old and not so informal srand()/rand() calls to new random number API. Including btrfs-corrupt-block(main user), btrfs-image and btrfs-crc. Some tests like dir-test/random-test/quick-test is not modified. As random-test itself can't even pass build. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: utils: Introduce new pseudo random APIQu Wenruo2016-06-01
| | | | | | | | | | | | | | David has reported some quite chaos usage of pseudo random numbers. Like using static srand seed, or even calling rand() without setting seed correctly. The new pseudo random API will initialize the random seed on its first calling and use uniformly distributed pseudo random number generator as backend. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> [ renamed variables and functions, added prefixes ] Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: corrupt-block: Add support to corrupt extent for skinny metadataQu Wenruo2016-06-01
| | | | | | | | For skinny metadata case, btrfs-corrupt-block can't corrupt a metadata extent due to the type check missing BTRFS_METADATA_ITEM_KEY. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert-tests: Add test for backup superblock migrationQu Wenruo2016-06-01
| | | | | | | | | | | | | | New convert framework uses new and simpler chunk layout, while the cost is the more complex superblock range migration logical, compared to old convert. Enhance the convert test script to create file which will takes up 2nd backup superblock space, to ensure the superblock migration is working as expected. Suggested-by: David Sterba <dsterba@suse.cz> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: document cli-tests in readmeDavid Sterba2016-06-01
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: convert: dump all superblocks after conversionDavid Sterba2016-06-01
| | | | | | We want to see all of them, even if they're not valid. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: make btrfs-image restore to support dupLu Fengqi2016-06-01
| | | | | | | | | | | | | | Previously btrfs-image restore would set the chunk items to have 1 stripe, even if the chunk is dup. If you use btrfsck on the restored file system, some dev_extent will not find any relative chunk stripe, and the bytes-used of dev_item will not equal to the dev_extents's total_bytes. This patch store a additional physical just for the dup case when build the in-memory chunk-tree. Currently btrfsck on the restored file system, only single and dup is no problem. raid* support should be added in the future. Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: run rollback after conversionDavid Sterba2016-06-01
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: convert, run md5sum with sudo helperDavid Sterba2016-06-01
| | | | | | | Some of the files might not end up in the checksum list because of permissions. This is reported by md5sum as incorrectly formatted lines. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: add 020-extent-ref-casesLu Fengqi2016-06-01
| | | | | | | | | | | | | | | In order to confirm that btrfsck supports to check a variety of refs, add the following cases: * keyed_block_ref * keyed_data_ref * shared_block_ref * shared_data_ref * no_inline_ref (a extent item without inline ref) * no_skinny_ref Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: doc: fix typo in btrfs-subvolumeMerlin Hartley2016-06-01
| | | | | Signed-off-by: Merlin Hartley <merlinhartley@hotmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: switch to common message helpers in utils.cDavid Sterba2016-06-01
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: fix type mismatch in backtrace dumping functionsDavid Sterba2016-06-01
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: drop O_CREATE from open_ctree_fs_infoDavid Sterba2016-06-01
| | | | | | | We stat the filesystem path before trying to open it so there's no point to pass O_CREAT ("btrfs-progs: add stat check in open_ctree_fs_info"). Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Return earlier for previous itemQu Wenruo2016-06-01
| | | | | | | | | | | | | | Follow kernel code to return earlier for btrfs_previous_item() function. Before this patch, btrfs_previous_item() doesn't use its min_objectid to exit, this makes caller to check key to exit, and if caller doesn't check, it will iterate all previous item. This patch will check min_objectid and type, to early return and save some time. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Enhance tree block check by checking empty leaf or nodeQu Wenruo2016-06-01
| | | | | | | | | | | For btrfs, it's possible to have empty leaf, but empty node is not possible. Add check for empty node for tree blocks. Suggested-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: makefile: add target for testing installationDavid Sterba2016-06-01
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: clean up commands.hAnand Jain2016-06-01
| | | | | | | | | | | This function is declared in utils.h so remove it from commands.h int test_issubvolume(const char *path); This function does not exists delete the declaration get_subvol_name(char *mnt, char *full_path); Signed-off-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: makefile: add clean-all to the usageAnand Jain2016-06-01
| | | | | Signed-off-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
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