Date: Thu, 28 Apr 2011 17:36:26 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r221176 - head/sys/fs/ext2fs Message-ID: <201104281736.p3SHaQhl032994@svn.freebsd.org>
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Author: jhb Date: Thu Apr 28 17:36:26 2011 New Revision: 221176 URL: http://svn.freebsd.org/changeset/base/221176 Log: The b_dep field of buffers is always empty for ext2fs, it is only used for SU in FFS. Reported by: kib Modified: head/sys/fs/ext2fs/ext2_readwrite.c Modified: head/sys/fs/ext2fs/ext2_readwrite.c ============================================================================== --- head/sys/fs/ext2fs/ext2_readwrite.c Thu Apr 28 16:29:19 2011 (r221175) +++ head/sys/fs/ext2fs/ext2_readwrite.c Thu Apr 28 17:36:26 2011 (r221176) @@ -162,8 +162,7 @@ READ(ap) if (error) break; - if ((ioflag & (IO_VMIO|IO_DIRECT)) && - (LIST_FIRST(&bp->b_dep) == NULL)) { + if (ioflag & (IO_VMIO|IO_DIRECT)) { /* * If there are no dependencies, and it's VMIO, * then we don't need the buf, mark it available @@ -189,8 +188,7 @@ READ(ap) * so it must have come from a 'break' statement */ if (bp != NULL) { - if ((ioflag & (IO_VMIO|IO_DIRECT)) && - (LIST_FIRST(&bp->b_dep) == NULL)) { + if (ioflag & (IO_VMIO|IO_DIRECT)) { bp->b_flags |= B_RELBUF; brelse(bp); } else { @@ -319,8 +317,7 @@ WRITE(ap) error = uiomove((char *)bp->b_data + blkoffset, (int)xfersize, uio); - if ((ioflag & (IO_VMIO|IO_DIRECT)) && - (LIST_EMPTY(&bp->b_dep))) { /* in ext2fs? */ + if (ioflag & (IO_VMIO|IO_DIRECT)) { bp->b_flags |= B_RELBUF; }
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