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Fix last commit. The last block of the file system may have changed

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even if the last cylinder group is not modified.
This commit is contained in:
hannken 2005-05-03 09:43:23 +00:00
parent 12c1fb5b6d
commit cad9d39281
1 changed files with 6 additions and 9 deletions
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15
sys/ufs/ffs/ffs_snapshot.c
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@ -36,7 +36,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ffs_snapshot.c,v 1.13 2005/04/24 15:49:37 hannken Exp $");
__KERNEL_RCSID(0, "$NetBSD: ffs_snapshot.c,v 1.14 2005/05/03 09:43:23 hannken Exp $");
#if defined(_KERNEL_OPT)
#include "opt_ffs.h"
@ -292,15 +292,12 @@ ffs_snapshot(mp, vp, ctime)
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
microtime(&starttime);
/*
* If the last cylinder group has changed the last block
* saved before may have changed too so update it now.
* The last block saved before may have changed so update it now.
*/
if (!ACTIVECG_ISSET(fs, fs->fs_ncg-1)) {
if ((error = readfsblk(vp, cgbuf, numblks - 1)) != 0)
goto out1;
if ((error = writevnblk(vp, cgbuf, numblks - 1)) != 0)
goto out1;
}
if ((error = readfsblk(vp, cgbuf, numblks - 1)) != 0)
goto out1;
if ((error = writevnblk(vp, cgbuf, numblks - 1)) != 0)
goto out1;
/*
* First, copy all the cylinder group maps that have changed.
*/