Date: Thu, 28 Nov 2019 00:37:44 +0000 (UTC) From: Chuck Silvers <chs@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r355150 - head/sys/ufs/ffs Message-ID: <201911280037.xAS0biva057305@repo.freebsd.org>
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Author: chs Date: Thu Nov 28 00:37:43 2019 New Revision: 355150 URL: https://svnweb.freebsd.org/changeset/base/355150 Log: As part of creating a snapshot, set fs->fs_fmod to 0 in the snapshot image because nothing ever changes this field for read-only mounts and we want to verify that it is still 0 when we unmount. Reviewed by: mckusick Approved by: mckusick (mentor) Sponsored by: Netflix Modified: head/sys/ufs/ffs/ffs_snapshot.c Modified: head/sys/ufs/ffs/ffs_snapshot.c ============================================================================== --- head/sys/ufs/ffs/ffs_snapshot.c Thu Nov 28 00:19:09 2019 (r355149) +++ head/sys/ufs/ffs/ffs_snapshot.c Thu Nov 28 00:37:43 2019 (r355150) @@ -803,6 +803,7 @@ out1: brelse(nbp); } else { loc = blkoff(fs, fs->fs_sblockloc); + copy_fs->fs_fmod = 0; copy_fs->fs_ckhash = ffs_calc_sbhash(copy_fs); bcopy((char *)copy_fs, &nbp->b_data[loc], (u_int)fs->fs_sbsize); bawrite(nbp);
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