Date: Fri, 8 Feb 2013 07:44:16 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r246531 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys Message-ID: <201302080744.r187iGlM098648@svn.freebsd.org>
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Author: avg Date: Fri Feb 8 07:44:15 2013 New Revision: 246531 URL: http://svnweb.freebsd.org/changeset/base/246531 Log: zfs: update comments about zfid_long_t to match the FreeBSD definitions MFC after: 1 week Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_vfsops.h Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_vfsops.h ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_vfsops.h Fri Feb 8 07:29:07 2013 (r246530) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_vfsops.h Fri Feb 8 07:44:15 2013 (r246531) @@ -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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