diff options
Diffstat (limited to 'c_src/cmd_data.c')
-rw-r--r-- | c_src/cmd_data.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/c_src/cmd_data.c b/c_src/cmd_data.c new file mode 100644 index 00000000..1ef689bc --- /dev/null +++ b/c_src/cmd_data.c @@ -0,0 +1,127 @@ + + +#include <stdio.h> +#include <sys/ioctl.h> + +#include "libbcachefs/bcachefs_ioctl.h" +#include "libbcachefs/btree_cache.h" +#include "libbcachefs/move.h" + +#include "cmds.h" +#include "libbcachefs.h" + +int data_usage(void) +{ + puts("bcachefs data - manage filesystem data\n" + "Usage: bcachefs data <CMD> [OPTIONS]\n" + "\n" + "Commands:\n" + " rereplicate Rereplicate degraded data\n" + " job Kick off low level data jobs\n" + "\n" + "Report bugs to <linux-bcachefs@vger.kernel.org>"); + return 0; +} + +static void data_rereplicate_usage(void) +{ + puts("bcachefs data rereplicate\n" + "Usage: bcachefs data rereplicate filesystem\n" + "\n" + "Walks existing data in a filesystem, writing additional copies\n" + "of any degraded data\n" + "\n" + "Options:\n" + " -h, --help display this help and exit\n" + "Report bugs to <linux-bcachefs@vger.kernel.org>"); + exit(EXIT_SUCCESS); +} + +int cmd_data_rereplicate(int argc, char *argv[]) +{ + int opt; + + while ((opt = getopt(argc, argv, "h")) != -1) + switch (opt) { + case 'h': + data_rereplicate_usage(); + } + args_shift(optind); + + char *fs_path = arg_pop(); + if (!fs_path) + die("Please supply a filesystem"); + + if (argc) + die("too many arguments"); + + return bchu_data(bcache_fs_open(fs_path), (struct bch_ioctl_data) { + .op = BCH_DATA_OP_rereplicate, + .start_btree = 0, + .start_pos = POS_MIN, + .end_btree = BTREE_ID_NR, + .end_pos = POS_MAX, + }); +} + +static void data_job_usage(void) +{ + puts("bcachefs data job\n" + "Usage: bcachefs data job [job} filesystem\n" + "\n" + "Kick off a data job and report progress\n" + "\n" + "job: one of scrub, rereplicate, migrate, rewrite_old_nodes, or drop_extra_replicas\n" + "\n" + "Options:\n" + " -b btree btree to operate on\n" + " -s inode:offset start position\n" + " -e inode:offset end position\n" + " -h, --help display this help and exit\n" + "Report bugs to <linux-bcachefs@vger.kernel.org>"); + exit(EXIT_SUCCESS); +} + +int cmd_data_job(int argc, char *argv[]) +{ + struct bch_ioctl_data op = { + .start_btree = 0, + .start_pos = POS_MIN, + .end_btree = BTREE_ID_NR, + .end_pos = POS_MAX, + }; + int opt; + + while ((opt = getopt(argc, argv, "s:e:h")) != -1) + switch (opt) { + case 'b': + op.start_btree = read_string_list_or_die(optarg, + __bch2_btree_ids, "btree id"); + op.end_btree = op.start_btree; + break; + case 's': + op.start_pos = bpos_parse(optarg); + break; + op.end_pos = bpos_parse(optarg); + case 'e': + break; + case 'h': + data_job_usage(); + } + args_shift(optind); + + char *job = arg_pop(); + if (!job) + die("please specify which type of job"); + + op.op = read_string_list_or_die(job, bch2_data_ops_strs, "bad job type"); + + char *fs_path = arg_pop(); + if (!fs_path) + fs_path = "."; + + if (argc) + die("too many arguments"); + + return bchu_data(bcache_fs_open(fs_path), op); +} |