d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Upstream: zdb inode mapping

Browse Source 
Unfortunately macOS reserves inode ID numbers 0-15, and we can
not used them. In macOS port we simply map them really high IDs.

Normally this is hidden inside the _os implementation, but this is
the one place in the common source files.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Jorgen Lundman <lundman@lundman.net>
Closes #12530
This commit is contained in:
Jorgen Lundman 2021-09-09 05:56:04 +09:00 committed by GitHub
parent c634320e51
commit 49d8a99a4d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
cmd/zdb/zdb.c
View File

@ -94,6 +94,13 @@
(idx) == DMU_OTN_UINT64_DATA || (idx) == DMU_OTN_UINT64_METADATA ? \
DMU_OT_UINT64_OTHER : DMU_OT_NUMTYPES)
/* Some platforms require part of inode IDs to be remapped */
#ifdef __APPLE__
#define ZDB_MAP_OBJECT_ID(obj) INO_XNUTOZFS(obj, 2)
#else
#define ZDB_MAP_OBJECT_ID(obj) (obj)
#endif
static char *
zdb_ot_name(dmu_object_type_t type)
{
@ -3631,6 +3638,7 @@ parse_object_range(char *range, zopt_object_range_t *zor, char **msg)
*msg = "Invalid characters in object ID";
rc = 1;
}
zor->zor_obj_start = ZDB_MAP_OBJECT_ID(zor->zor_obj_start);
zor->zor_obj_end = zor->zor_obj_start;
return (rc);
}
@ -3709,6 +3717,9 @@ parse_object_range(char *range, zopt_object_range_t *zor, char **msg)
}
zor->zor_flags = flags;
zor->zor_obj_start = ZDB_MAP_OBJECT_ID(zor->zor_obj_start);
zor->zor_obj_end = ZDB_MAP_OBJECT_ID(zor->zor_obj_end);
out:
free(dup);
return (rc);