Author: mckusick
Date: Mon Aug 7 02:29:09 2017
New Revision: 322132
URL: https://svnweb.freebsd.org/changeset/base/322132
Log:
MFC r321816:
Avoid reading a snapshot block when it is already in the cache.
Modified:
stable/10/sys/ufs/ffs/ffs_snapshot.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/ufs/ffs/ffs_snapshot.c
==============================================================================
--- stable/10/sys/ufs/ffs/ffs_snapshot.c Mon Aug 7 02:23:34 2017
(r322131)
+++ stable/10/sys/ufs/ffs/ffs_snapshot.c Mon Aug 7 02:29:09 2017
(r322132)
@@ -1403,7 +1403,7 @@ indiracct_ufs2(snapvp, cancelvp, level, blkno, lbn, rl
*/
bp = getblk(cancelvp, lbn, fs->fs_bsize, 0, 0, 0);
bp->b_blkno = fsbtodb(fs, blkno);
- if ((bp->b_flags & (B_DONE | B_DELWRI)) == 0 &&
+ if ((bp->b_flags & B_CACHE) == 0 &&
(error = readblock(cancelvp, bp, fragstoblks(fs, blkno)))) {
brelse(bp);
return (error);
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