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add -i to cmd_list

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Kent Overstreet 2017-04-05 17:29:02 -08:00
parent 978c160405
commit bc85a94114
1 changed files with 20 additions and 8 deletions
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28
cmd_debug.c
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@ -189,14 +189,18 @@ static void list_btree_formats(struct bch_fs *c, enum btree_id btree_id,
static struct bpos parse_pos(char *buf) static struct bpos parse_pos(char *buf)
{ {
char *s = buf; char *s = buf, *field;
char *inode = strsep(&s, ":"); u64 inode_v = 0, offset_v = 0;
char *offset = strsep(&s, ":");
u64 inode_v, offset_v;
if (!inode || !offset || s || if (!(field = strsep(&s, ":")) ||
kstrtoull(inode, 10, &inode_v) || kstrtoull(field, 10, &inode_v))
kstrtoull(offset, 10, &offset_v)) die("invalid bpos %s", buf);
if ((field = strsep(&s, ":")) &&
kstrtoull(field, 10, &offset_v))
die("invalid bpos %s", buf);
if (s)
die("invalid bpos %s", buf); die("invalid bpos %s", buf);
return (struct bpos) { .inode = inode_v, .offset = offset_v }; return (struct bpos) { .inode = inode_v, .offset = offset_v };
@ -211,6 +215,7 @@ static void list_keys_usage(void)
" -b (extents|inodes|dirents|xattrs) Btree to list from\n" " -b (extents|inodes|dirents|xattrs) Btree to list from\n"
" -s inode:offset Start position to list from\n" " -s inode:offset Start position to list from\n"
" -e inode:offset End position\n" " -e inode:offset End position\n"
" -i inode List keys for a given inode number\n"
" -m (keys|formats) List mode\n" " -m (keys|formats) List mode\n"
" -h Display this help and exit\n" " -h Display this help and exit\n"
"Report bugs to <linux-bcache@vger.kernel.org>"); "Report bugs to <linux-bcache@vger.kernel.org>");
@ -229,13 +234,14 @@ int cmd_list(int argc, char *argv[])
enum btree_id btree_id = BTREE_ID_EXTENTS; enum btree_id btree_id = BTREE_ID_EXTENTS;
struct bpos start = POS_MIN, end = POS_MAX; struct bpos start = POS_MIN, end = POS_MAX;
const char *err; const char *err;
u64 inum;
int mode = 0, opt; int mode = 0, opt;
opts.nochanges = true; opts.nochanges = true;
opts.norecovery = true; opts.norecovery = true;
opts.errors = BCH_ON_ERROR_CONTINUE; opts.errors = BCH_ON_ERROR_CONTINUE;
while ((opt = getopt(argc, argv, "b:s:e:m:h")) != -1) while ((opt = getopt(argc, argv, "b:s:e:i:m:h")) != -1)
switch (opt) { switch (opt) {
case 'b': case 'b':
btree_id = read_string_list_or_die(optarg, btree_id = read_string_list_or_die(optarg,
@ -247,6 +253,12 @@ int cmd_list(int argc, char *argv[])
case 'e': case 'e':
end = parse_pos(optarg); end = parse_pos(optarg);
break; break;
case 'i':
if (kstrtoull(optarg, 10, &inum))
die("invalid inode %s", optarg);
start = POS(inum, 0);
end = POS(inum + 1, 0);
break;
case 'm': case 'm':
mode = read_string_list_or_die(optarg, mode = read_string_list_or_die(optarg,
list_modes, "list mode"); list_modes, "list mode");