Hi all, This patch series extends metadump/mdrestore tools to be able to dump contents of an external log device. It also adds the ability to copy larger blocks (e.g. 4096 bytes instead of 512 bytes) into the metadump file. These objectives are accomplished by introducing a new metadump file format. I have tested the patchset by extending metadump/mdrestore tests in fstests to cover the newly introduced metadump v2 format. The tests can be found at https://github.com/chandanr/xfstests/commits/metadump-v2. The patch series can also be obtained from https://github.com/chandanr/xfsprogs-dev/commits/metadump-v2. Chandan Babu R (24): metadump: Use boolean values true/false instead of 1/0 mdrestore: Fix logic used to check if target device is large enough metadump: Define and use struct metadump metadump: Add initialization and release functions set_cur: Add support to read from external log device metadump: Dump external log device contents metadump: Postpone invocation of init_metadump() metadump: Introduce struct metadump_ops metadump: Introduce metadump v1 operations metadump: Rename XFS_MD_MAGIC to XFS_MD_MAGIC_V1 metadump: Define metadump v2 ondisk format structures and macros metadump: Define metadump ops for v2 format metadump: Add support for passing version option xfs_metadump.sh: Add support for passing version option xfs_metadump.8: Add description for the newly introduced -v option mdrestore: Define and use struct mdrestore mdrestore: Add open_device(), read_header() and show_info() functions mdrestore: Introduce struct mdrestore_ops mdrestore: Introduce mdrestore v1 operations mdrestore: Detect metadump version from metadump image mdrestore: Extract target device size verification into a function mdrestore: Define mdrestore ops for v2 format mdrestore: Add support for passing log device as an argument xfs_mdrestore.8: Add description for the newly introduced -l option db/io.c | 22 +- db/metadump.c | 718 +++++++++++++++++++++++--------------- db/type.c | 2 + db/type.h | 2 +- db/xfs_metadump.sh | 3 +- include/xfs_metadump.h | 34 +- man/man8/xfs_mdrestore.8 | 8 + man/man8/xfs_metadump.8 | 10 + mdrestore/xfs_mdrestore.c | 450 ++++++++++++++++++------ 9 files changed, 847 insertions(+), 402 deletions(-) -- 2.39.1
