diff options
Diffstat (limited to 'sys/fs')
-rw-r--r-- | sys/fs/ext2fs/ext2_vnops.c | 21 | ||||
-rw-r--r-- | sys/fs/nullfs/null_vnops.c | 9 |
2 files changed, 20 insertions, 10 deletions
diff --git a/sys/fs/ext2fs/ext2_vnops.c b/sys/fs/ext2fs/ext2_vnops.c index bc239b8..7c4d3ae 100644 --- a/sys/fs/ext2fs/ext2_vnops.c +++ b/sys/fs/ext2fs/ext2_vnops.c @@ -464,16 +464,14 @@ ext2_setattr(struct vop_setattr_args *ap) ((vap->va_vaflags & VA_UTIMES_NULL) == 0 || (error = VOP_ACCESS(vp, VWRITE, cred, td)))) return (error); - if (vap->va_atime.tv_sec != VNOVAL) - ip->i_flag |= IN_ACCESS; - if (vap->va_mtime.tv_sec != VNOVAL) - ip->i_flag |= IN_CHANGE | IN_UPDATE; - ext2_itimes(vp); + ip->i_flag |= IN_CHANGE | IN_MODIFIED; if (vap->va_atime.tv_sec != VNOVAL) { + ip->i_flag &= ~IN_ACCESS; ip->i_atime = vap->va_atime.tv_sec; ip->i_atimensec = vap->va_atime.tv_nsec; } if (vap->va_mtime.tv_sec != VNOVAL) { + ip->i_flag &= ~IN_UPDATE; ip->i_mtime = vap->va_mtime.tv_sec; ip->i_mtimensec = vap->va_mtime.tv_nsec; } @@ -985,10 +983,10 @@ abortit: dp = VTOI(fdvp); } else { /* - * From name has disappeared. + * From name has disappeared. IN_RENAME is not sufficient + * to protect against directory races due to timing windows, + * so we can't panic here. */ - if (doingdirectory) - panic("ext2_rename: lost dir entry"); vrele(ap->a_fvp); return (0); } @@ -1003,8 +1001,11 @@ abortit: * rename. */ if (xp != ip) { - if (doingdirectory) - panic("ext2_rename: lost dir entry"); + /* + * From name resolves to a different inode. IN_RENAME is + * not sufficient protection against timing window races + * so we can't panic here. + */ } else { /* * If the source is a directory with a diff --git a/sys/fs/nullfs/null_vnops.c b/sys/fs/nullfs/null_vnops.c index 72b884f..ec7d046 100644 --- a/sys/fs/nullfs/null_vnops.c +++ b/sys/fs/nullfs/null_vnops.c @@ -619,6 +619,14 @@ null_rename(struct vop_rename_args *ap) return (null_bypass((struct vop_generic_args *)ap)); } +static int +null_rmdir(struct vop_rmdir_args *ap) +{ + + VTONULL(ap->a_vp)->null_flags |= NULLV_DROP; + return (null_bypass(&ap->a_gen)); +} + /* * We need to process our own vnode lock and then clear the * interlock flag as it applies only to our vnode, not the @@ -920,6 +928,7 @@ struct vop_vector null_vnodeops = { .vop_reclaim = null_reclaim, .vop_remove = null_remove, .vop_rename = null_rename, + .vop_rmdir = null_rmdir, .vop_setattr = null_setattr, .vop_strategy = VOP_EOPNOTSUPP, .vop_unlock = null_unlock, |