Add an option 's' to set size in logical to inode transition, then we are able
to read all the refs to the logical address.
Signed-off-by: Liu Bo <bo.li.liu@xxxxxxxxxx>
---
cmds-inspect.c | 18 ++++++++++++------
1 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/cmds-inspect.c b/cmds-inspect.c
index 2f0228f..be5e588 100644
--- a/cmds-inspect.c
+++ b/cmds-inspect.c
@@ -115,7 +115,7 @@ static int cmd_inode_resolve(int argc, char **argv)
}
static const char * const cmd_logical_resolve_usage[] = {
- "btrfs inspect-internal logical-resolve [-Pv] <logical> <path>",
+ "btrfs inspect-internal logical-resolve [-Pv] [-s size] <logical> <path>",
"Get file system paths for the given logical address",
NULL
};
@@ -130,12 +130,13 @@ static int cmd_logical_resolve(int argc, char **argv)
int bytes_left;
struct btrfs_ioctl_logical_ino_args loi;
struct btrfs_data_container *inodes;
+ u64 size = 4096;
char full_path[4096];
char *path_ptr;
optind = 1;
while (1) {
- int c = getopt(argc, argv, "Pv");
+ int c = getopt(argc, argv, "Pvs:");
if (c < 0)
break;
@@ -146,6 +147,9 @@ static int cmd_logical_resolve(int argc, char **argv)
case 'v':
verbose = 1;
break;
+ case 's':
+ size = atoll(optarg);
+ break;
default:
usage(cmd_logical_resolve_usage);
}
@@ -154,12 +158,13 @@ static int cmd_logical_resolve(int argc, char **argv)
if (check_argc_exact(argc - optind, 2))
usage(cmd_logical_resolve_usage);
- inodes = malloc(4096);
+ size = max(size, 4096);
+ inodes = malloc(size);
if (!inodes)
return 1;
loi.logical = atoll(argv[optind]);
- loi.size = 4096;
+ loi.size = size;
loi.inodes = (u64)inodes;
fd = open_file_or_dir(argv[optind+1]);
@@ -176,8 +181,9 @@ static int cmd_logical_resolve(int argc, char **argv)
}
if (verbose)
- printf("ioctl ret=%d, bytes_left=%lu, bytes_missing=%lu, "
- "cnt=%d, missed=%d\n", ret,
+ printf("ioctl ret=%d, total_size=%llu, bytes_left=%lu, "
+ "bytes_missing=%lu, cnt=%d, missed=%d\n",
+ ret, size,
(unsigned long)inodes->bytes_left,
(unsigned long)inodes->bytes_missing,
inodes->elem_cnt, inodes->elem_missed);
--
1.7.7.6
--
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