Author: avg
Date: Tue Oct 7 13:42:34 2014
New Revision: 272698
URL: https://svnweb.freebsd.org/changeset/base/272698
Log:
MFC r246531: zfs: update comments about zfid_long_t to match the FreeBSD
definitions
Modified:
stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_vfsops.h
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/cddl/contrib/opensolaris/ (props changed)
Modified:
stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_vfsops.h
==============================================================================
--- stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_vfsops.h
Tue Oct 7 13:37:10 2014 (r272697)
+++ stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_vfsops.h
Tue Oct 7 13:42:34 2014 (r272698)
@@ -110,7 +110,7 @@ typedef struct zfid_short {
} zfid_short_t;
/*
- * Filesystems under .zfs/snapshot have a total file ID size of 22 bytes
+ * Filesystems under .zfs/snapshot have a total file ID size of 22[*] bytes
* (including the length field). This makes files under .zfs/snapshot
* accessible by NFSv3 and NFSv4, but not NFSv2.
*
@@ -120,10 +120,13 @@ typedef struct zfid_short {
* 6 bytes object number (48 bits)
* 4 bytes generation number (32 bits)
* 6 bytes objset id (48 bits)
- * 4 bytes currently just zero (32 bits)
+ * 4 bytes[**] currently just zero (32 bits)
*
* We reserve only 48 bits for the object number and objset id, as these are
* the limits currently defined and imposed by the DMU.
+ *
+ * [*] 20 bytes on FreeBSD to fit into the size of struct fid.
+ * [**] 2 bytes on FreeBSD for the above reason.
*/
typedef struct zfid_long {
zfid_short_t z_fid;
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