diff options
| author | Omar Sandoval <osandov@fb.com> | 2016-11-14 10:43:22 -0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-11-23 11:07:05 +0100 |
| commit | 87895ef4da2819b0b3ffde6bcd45abf7b2533b7f (patch) | |
| tree | 67d3e1899a67397bb25cae6a6ea71443717601d5 /cmds-check.c | |
| parent | 981441102199c5c9e3fca84ff3e723ddfa78de01 (diff) | |
btrfs-progs: implement btrfs check --clear-space-cache v2
Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Omar Sandoval <osandov@fb.com>
[ adjusted error messages ]
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'cmds-check.c')
| -rw-r--r-- | cmds-check.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/cmds-check.c b/cmds-check.c index e28ad2f7..9f77e944 100644 --- a/cmds-check.c +++ b/cmds-check.c @@ -11175,7 +11175,6 @@ const char * const cmd_check_usage[] = { "--chunk-root <bytenr> use the given bytenr for the chunk tree root", "-p|--progress indicate progress", "--clear-space-cache v1|v2 clear space cache for v1 or v2", - " NOTE: v1 support implemented", NULL }; @@ -11297,13 +11296,16 @@ int cmd_check(int argc, char **argv) } break; case GETOPT_VAL_CLEAR_SPACE_CACHE: - if (strcmp(optarg, "v1") != 0) { + if (strcmp(optarg, "v1") == 0) { + clear_space_cache = 1; + } else if (strcmp(optarg, "v2") == 0) { + clear_space_cache = 2; + ctree_flags |= OPEN_CTREE_INVALIDATE_FST; + } else { error( - "only v1 support implmented, unrecognized value %s", - optarg); + "invalid argument to --clear-space-cache, must be v1 or v2"); exit(1); } - clear_space_cache = 1; ctree_flags |= OPEN_CTREE_WRITES; break; } @@ -11357,11 +11359,11 @@ int cmd_check(int argc, char **argv) global_info = info; root = info->fs_root; - if (clear_space_cache) { + if (clear_space_cache == 1) { if (btrfs_fs_compat_ro(info, BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE)) { error( - "free space cache v2 detected, clearing not implemented"); + "free space cache v2 detected, use --clear-space-cache v2"); ret = 1; goto close_out; } @@ -11374,6 +11376,22 @@ int cmd_check(int argc, char **argv) printf("Free space cache cleared\n"); } goto close_out; + } else if (clear_space_cache == 2) { + if (!btrfs_fs_compat_ro(info, + BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE)) { + printf("no free space cache v2 to clear\n"); + ret = 0; + goto close_out; + } + printf("Clear free space cache v2\n"); + ret = btrfs_clear_free_space_tree(info); + if (ret) { + error("failed to clear free space cache v2: %d", ret); + ret = 1; + } else { + printf("free space cache v2 cleared\n"); + } + goto close_out; } /* |