diff options
| author | Lu Fengqi <lufq.fnst@cn.fujitsu.com> | 2016-03-07 12:57:41 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-03-14 13:42:47 +0100 |
| commit | 05640939ea24c609c7c2badc76ebba9ec6a4896d (patch) | |
| tree | 1ee641f486db5a5767aa52d8f2603eae73451b10 /cmds-check.c | |
| parent | da3ae9c69ab4e557e625cabe8894e442def60b62 (diff) | |
btrfs-progs: Add new option for specify chunk root bytenr
Add new btrfsck option, '--chunk-root', to specify chunk root bytenr.
And allow open_ctree_fs_info() function accept chunk_root_bytenr to
override the bytenr in superblock. This will be mainly used when chunk
tree corruption.
Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'cmds-check.c')
| -rw-r--r-- | cmds-check.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/cmds-check.c b/cmds-check.c index 8fb97712..0a48535f 100644 --- a/cmds-check.c +++ b/cmds-check.c @@ -9480,6 +9480,7 @@ const char * const cmd_check_usage[] = { "-E|--subvol-extents <subvolid>", " print subvolume extents and sharing state", "-r|--tree-root <bytenr> use the given bytenr for the tree root", + "-c|--chunk-root <bytenr> use the given bytenr for the chunk tree root", "-p|--progress indicate progress", NULL }; @@ -9492,6 +9493,7 @@ int cmd_check(int argc, char **argv) u64 bytenr = 0; u64 subvolid = 0; u64 tree_root_bytenr = 0; + u64 chunk_root_bytenr = 0; char uuidbuf[BTRFS_UUID_UNPARSED_SIZE]; int ret; u64 num; @@ -9515,11 +9517,12 @@ int cmd_check(int argc, char **argv) { "subvol-extents", required_argument, NULL, 'E' }, { "qgroup-report", no_argument, NULL, 'Q' }, { "tree-root", required_argument, NULL, 'r' }, + { "chunk-root", required_argument, NULL, 'c' }, { "progress", no_argument, NULL, 'p' }, { NULL, 0, NULL, 0} }; - c = getopt_long(argc, argv, "as:br:p", long_options, NULL); + c = getopt_long(argc, argv, "as:br:pc:", long_options, NULL); if (c < 0) break; switch(c) { @@ -9548,6 +9551,9 @@ int cmd_check(int argc, char **argv) case 'r': tree_root_bytenr = arg_strtou64(optarg); break; + case 'c': + chunk_root_bytenr = arg_strtou64(optarg); + break; case 'p': ctx.progress_enabled = true; break; @@ -9611,7 +9617,7 @@ int cmd_check(int argc, char **argv) ctree_flags |= OPEN_CTREE_PARTIAL; info = open_ctree_fs_info(argv[optind], bytenr, tree_root_bytenr, - ctree_flags); + chunk_root_bytenr, ctree_flags); if (!info) { fprintf(stderr, "Couldn't open file system\n"); ret = -EIO; |