Author: mckusick
Date: Sun Jul 10 05:34:49 2011
New Revision: 223902
URL: http://svn.freebsd.org/changeset/base/223902
Log:
When first creating snapshots, we may free some blocks within it.
These blocks should not have TRIM applied to them.
Submitted by: Kostik Belousov
Modified:
head/sys/ufs/ffs/ffs_alloc.c
Modified: head/sys/ufs/ffs/ffs_alloc.c
==============================================================================
--- head/sys/ufs/ffs/ffs_alloc.c Sun Jul 10 00:53:04 2011
(r223901)
+++ head/sys/ufs/ffs/ffs_alloc.c Sun Jul 10 05:34:49 2011
(r223902)
@@ -2038,7 +2038,11 @@ ffs_blkfree(ump, fs, devvp, bno, size, i
ffs_snapblkfree(fs, devvp, bno, size, inum, vtype, dephd)) {
return;
}
- if (!ump->um_candelete) {
+ /*
+ * Nothing to delay if TRIM is disabled, or the operation is
+ * performed on the snapshot.
+ */
+ if (!ump->um_candelete || devvp->v_type == VREG) {
ffs_blkfree_cg(ump, fs, devvp, bno, size, inum, dephd);
return;
}
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