diff options
| author | phk <phk@FreeBSD.org> | 2004-10-28 08:22:11 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2004-10-28 08:22:11 +0000 |
| commit | 5a159b2d78bc926a669b419529f653f247d76c37 (patch) | |
| tree | 4a7711bf04f91afe22f3c0e73715372fcbc17238 /sys | |
| parent | 414fca23b7b98deea47ad5b2ae0370a93f2d6f05 (diff) | |
| download | FreeBSD-src-5a159b2d78bc926a669b419529f653f247d76c37.zip FreeBSD-src-5a159b2d78bc926a669b419529f653f247d76c37.tar.gz | |
Reduce the locking activity by epsilon by checking VNON condition before
releasing the mountlock.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/fs/msdosfs/msdosfs_vfsops.c | 7 | ||||
| -rw-r--r-- | sys/gnu/ext2fs/ext2_vfsops.c | 7 | ||||
| -rw-r--r-- | sys/gnu/fs/ext2fs/ext2_vfsops.c | 7 |
3 files changed, 9 insertions, 12 deletions
diff --git a/sys/fs/msdosfs/msdosfs_vfsops.c b/sys/fs/msdosfs/msdosfs_vfsops.c index 2f7695a..089118d 100644 --- a/sys/fs/msdosfs/msdosfs_vfsops.c +++ b/sys/fs/msdosfs/msdosfs_vfsops.c @@ -845,17 +845,16 @@ msdosfs_sync(mp, waitfor, cred, td) loop: MNT_VNODE_FOREACH(vp, mp, nvp) { VI_LOCK(vp); - if (vp->v_iflag & VI_XLOCK) { + if (vp->v_type == VNON || (vp->v_iflag & VI_XLOCK)) { VI_UNLOCK(vp); continue; } MNT_IUNLOCK(mp); dep = VTODE(vp); - if (vp->v_type == VNON || - ((dep->de_flag & + if ((dep->de_flag & (DE_ACCESS | DE_CREATE | DE_UPDATE | DE_MODIFIED)) == 0 && (vp->v_bufobj.bo_dirty.bv_cnt == 0 || - waitfor == MNT_LAZY))) { + waitfor == MNT_LAZY)) { VI_UNLOCK(vp); MNT_ILOCK(mp); continue; diff --git a/sys/gnu/ext2fs/ext2_vfsops.c b/sys/gnu/ext2fs/ext2_vfsops.c index 292f20e..f8ba411 100644 --- a/sys/gnu/ext2fs/ext2_vfsops.c +++ b/sys/gnu/ext2fs/ext2_vfsops.c @@ -922,17 +922,16 @@ ext2_sync(mp, waitfor, cred, td) loop: MNT_VNODE_FOREACH(vp, mp, nvp) { VI_LOCK(vp); - if (vp->v_iflag & VI_XLOCK) { + if (vp->v_type == VNON || (vp->v_iflag & VI_XLOCK)) { VI_UNLOCK(vp); continue; } MNT_IUNLOCK(mp); ip = VTOI(vp); - if (vp->v_type == VNON || - ((ip->i_flag & + if ((ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_MODIFIED | IN_UPDATE)) == 0 && (vp->v_bufobj.bo_dirty.bv_cnt == 0 || - waitfor == MNT_LAZY))) { + waitfor == MNT_LAZY)) { VI_UNLOCK(vp); MNT_ILOCK(mp); continue; diff --git a/sys/gnu/fs/ext2fs/ext2_vfsops.c b/sys/gnu/fs/ext2fs/ext2_vfsops.c index 292f20e..f8ba411 100644 --- a/sys/gnu/fs/ext2fs/ext2_vfsops.c +++ b/sys/gnu/fs/ext2fs/ext2_vfsops.c @@ -922,17 +922,16 @@ ext2_sync(mp, waitfor, cred, td) loop: MNT_VNODE_FOREACH(vp, mp, nvp) { VI_LOCK(vp); - if (vp->v_iflag & VI_XLOCK) { + if (vp->v_type == VNON || (vp->v_iflag & VI_XLOCK)) { VI_UNLOCK(vp); continue; } MNT_IUNLOCK(mp); ip = VTOI(vp); - if (vp->v_type == VNON || - ((ip->i_flag & + if ((ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_MODIFIED | IN_UPDATE)) == 0 && (vp->v_bufobj.bo_dirty.bv_cnt == 0 || - waitfor == MNT_LAZY))) { + waitfor == MNT_LAZY)) { VI_UNLOCK(vp); MNT_ILOCK(mp); continue; |
