mirror of
https://github.com/koverstreet/bcachefs-tools.git
synced 2025-12-08 00:00:12 +03:00
85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
#include <getopt.h>
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#include "cmds.h"
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#include "libbcachefs.h"
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#include "init/fs.h"
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#include "sb/counters.h"
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#include "sb/io.h"
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static void reset_counters_usage(void)
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{
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puts("bcachefs reset-counters \n"
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"Usage: bcachefs reset-counters device\n"
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"\n"
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"Options:\n"
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" -c, --counters=<counters> reset specific counters, not all\n"
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" -h, --help display this help and exit\n"
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"\n"
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"Report bugs to <linux-bcachefs@vger.kernel.org>");
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exit(EXIT_SUCCESS);
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}
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int cmd_reset_counters(int argc, char *argv[])
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{
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static const struct option longopts[] = {
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{ "counters", required_argument, NULL, 'c' },
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{ "help", no_argument, NULL, 'h' },
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{ NULL }
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};
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int opt;
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DARRAY(enum bch_persistent_counters) to_reset = {};
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while ((opt = getopt_long(argc, argv, "h", longopts, NULL)) != -1)
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switch (opt) {
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case 'c': {
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char *p;
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while ((p = strsep(&optarg, ","))) {
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ssize_t v = match_string(bch2_counter_names, BCH_COUNTER_NR, p);
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if (v < 0)
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die("invalid counter %s", p);
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darray_push(&to_reset, v);
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}
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break;
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}
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case 'h':
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reset_counters_usage();
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break;
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}
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args_shift(optind);
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char *dev = arg_pop();
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if (!dev) {
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reset_counters_usage();
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die("please supply a device");
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}
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if (argc)
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die("too many arguments");
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/* scan for devices, open full fs */
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struct bch_opts opts = bch2_opts_empty();
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opt_set(opts, nostart, true);
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opt_set(opts, degraded, BCH_DEGRADED_very);
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darray_const_str devs = get_or_split_cmdline_devs(1, &dev);
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struct bch_fs *c = bch2_fs_open(&devs, &opts);
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int ret = PTR_ERR_OR_ZERO(c);
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if (ret)
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die("Error opening filesystem: %s", bch2_err_str(ret));
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if (!to_reset.nr) {
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for (unsigned i = 0; i < BCH_COUNTER_NR; i++)
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percpu_u64_set(&c->counters[i], 0);
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} else {
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darray_for_each(to_reset, i)
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percpu_u64_set(&c->counters[*i], 0);
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}
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scoped_guard(mutex, &c->sb_lock)
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bch2_write_super(c);
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bch2_fs_stop(c);
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return 0;
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}
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