Replaced mkdir -p with install -D in make install

[bcachefs-tools-debian] / cmd_fs.c

diff --git a/cmd_fs.c b/cmd_fs.c
index a332db3de1ad520f8070b2e51caa7aa3d785f3a0..44316fc5d3773e18f624b8744dc1f1eb0625599f 100644 (file)
--- a/cmd_fs.c
+++ b/cmd_fs.c
@@ -1,43 +1,159 @@
 
+#include <stdio.h>
+#include <sys/ioctl.h>
+
+#include <uuid/uuid.h>
+
+#include "ccan/darray/darray.h"
+
+#include "linux/sort.h"
+
+#include "libbcachefs/bcachefs_ioctl.h"
+#include "libbcachefs/opts.h"
+
 #include "cmds.h"
+#include "libbcachefs.h"
+
+static void print_dev_usage(struct bch_ioctl_dev_usage *d, unsigned idx,
+                           const char *label, enum units units)
+{
+       char *name = NULL;
+       u64 available = d->nr_buckets;
+       unsigned i;
+
+       printf("\n");
+       printf_pad(20, "%s (device %u):", label, idx);
 
-struct bcache_fs {
-       /* options... */
+       name = !d->dev ? strdup("(offline)")
+               : dev_to_path(d->dev)
+               ?: strdup("(device not found)");
+       printf("%24s%12s\n", name, bch2_dev_state[d->state]);
+       free(name);
 
-       u64             capacity;
+       printf("%-20s%12s%12s%12s\n",
+              "", "data", "buckets", "fragmented");
 
-       /* XXX: dirty != used, it doesn't count metadata */
-       u64             bytes_dirty;
+       for (i = BCH_DATA_SB; i < BCH_DATA_NR; i++) {
+               u64 frag = max((s64) d->buckets[i] * d->bucket_size -
+                              (s64) d->sectors[i], 0LL);
+
+               printf_pad(20, "  %s:", bch2_data_types[i]);
+               printf("%12s%12llu%12s\n",
+                      pr_units(d->sectors[i], units),
+                      d->buckets[i],
+                      pr_units(frag, units));
+
+               if (i != BCH_DATA_CACHED)
+                       available -= d->buckets[i];
+       }
+
+       printf_pad(20, "  available:");
+       printf("%12s%12llu\n",
+              pr_units(available * d->bucket_size, units),
+              available);
+
+       printf_pad(20, "  capacity:");
+       printf("%12s%12llu\n",
+              pr_units(d->nr_buckets * d->bucket_size, units),
+              d->nr_buckets);
+}
+
+struct dev_by_label {
+       unsigned        idx;
+       char            *label;
 };
 
-#if 0
-static struct bcache_fs fill_fs(struct bcache_handle fs)
+static int dev_by_label_cmp(const void *_l, const void *_r)
 {
-       return (struct bcache_fs) {
-       };
+       const struct dev_by_label *l = _l, *r = _r;
+
+       return strcmp(l->label, r->label);
 }
-#endif
 
-int cmd_fs_show(int argc, char *argv[])
+static void print_fs_usage(const char *path, enum units units)
 {
-       if (argc != 2)
-               die("Please supply a filesystem");
+       unsigned i, j;
+       char uuid[40];
 
-#if 0
-       struct bcache_handle fs = bcache_fs_open(argv[1]);
-#endif
+       struct bchfs_handle fs = bcache_fs_open(path);
+       struct bch_ioctl_usage *u = bchu_usage(fs);
 
-       return 0;
+       uuid_unparse(fs.uuid.b, uuid);
+       printf("Filesystem %s:\n", uuid);
+
+       printf("%-20s%12s\n", "Size:", pr_units(u->fs.capacity, units));
+       printf("%-20s%12s\n", "Used:", pr_units(u->fs.used, units));
+
+       printf("%-20s%12s%12s%12s%12s\n",
+              "By replicas:", "1x", "2x", "3x", "4x");
+
+       for (j = BCH_DATA_SB; j < BCH_DATA_NR; j++) {
+               printf_pad(20, "  %s:", bch2_data_types[j]);
+
+               for (i = 0; i < BCH_REPLICAS_MAX; i++)
+                       printf("%12s", pr_units(u->fs.sectors[j][i], units));
+               printf("\n");
+       }
+
+       printf_pad(20, "  %s:", "reserved");
+       for (i = 0; i < BCH_REPLICAS_MAX; i++)
+               printf("%12s", pr_units(u->fs.persistent_reserved[i], units));
+       printf("\n");
+
+       printf("%-20s%12s\n", "  online reserved:", pr_units(u->fs.online_reserved, units));
+
+       darray(struct dev_by_label) devs_by_label;
+       darray_init(devs_by_label);
+
+       for (i = 0; i < u->nr_devices; i++) {
+               struct bch_ioctl_dev_usage *d = u->devs + i;
+
+               if (!d->alive)
+                       continue;
+
+               char *label_attr = mprintf("dev-%u/label", i);
+               char *label = read_file_str(fs.sysfs_fd, label_attr);
+               free(label_attr);
+
+               darray_append(devs_by_label,
+                       (struct dev_by_label) { i, label });
+       }
+
+       sort(&darray_item(devs_by_label, 0), darray_size(devs_by_label),
+            sizeof(darray_item(devs_by_label, 0)), dev_by_label_cmp, NULL);
+
+       struct dev_by_label *d;
+       darray_foreach(d, devs_by_label)
+               print_dev_usage(u->devs + d->idx, d->idx, d->label, units);
+
+       darray_foreach(d, devs_by_label)
+               free(d->label);
+       darray_free(devs_by_label);
+
+       free(u);
+       bcache_fs_close(fs);
 }
 
-int cmd_fs_set(int argc, char *argv[])
+int cmd_fs_usage(int argc, char *argv[])
 {
-       if (argc != 2)
-               die("Please supply a filesystem");
+       enum units units = BYTES;
+       char *fs;
+       int opt;
+
+       while ((opt = getopt(argc, argv, "h")) != -1)
+               switch (opt) {
+               case 'h':
+                       units = HUMAN_READABLE;
+                       break;
+               }
+       args_shift(optind);
 
-#if 0
-       struct bcache_handle fs = bcache_fs_open(argv[1]);
-#endif
+       if (!argc) {
+               print_fs_usage(".", units);
+       } else {
+               while ((fs = arg_pop()))
+                       print_fs_usage(fs, units);
+       }
 
        return 0;
 }