Messages in this thread | | | From | OGAWA Hirofumi <> | Subject | Re: utimensat fails to update ctime | Date | Wed, 23 Dec 2009 04:06:20 +0900 |
| |
Christoph Hellwig <hch@lst.de> writes:
> This patch which I had in my QA queue for a while should fix all the > timestamp update issues in XFS:
Thanks for fixing this.
> Index: linux-2.6/fs/xfs/xfs_vnodeops.c > =================================================================== > --- linux-2.6.orig/fs/xfs/xfs_vnodeops.c 2009-12-21 16:24:28.470990760 +0100 > +++ linux-2.6/fs/xfs/xfs_vnodeops.c 2009-12-21 16:32:41.348990760 +0100 > @@ -70,7 +70,6 @@ xfs_setattr( > uint commit_flags=0; > uid_t uid=0, iuid=0; > gid_t gid=0, igid=0; > - int timeflags = 0; > struct xfs_dquot *udqp, *gdqp, *olddquot1, *olddquot2; > int need_iolock = 1; > > @@ -135,16 +134,13 @@ xfs_setattr( > if (flags & XFS_ATTR_NOLOCK) > need_iolock = 0; > if (!(mask & ATTR_SIZE)) { > - if ((mask != (ATTR_CTIME|ATTR_ATIME|ATTR_MTIME)) || > - (mp->m_flags & XFS_MOUNT_WSYNC)) { > - tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE); > - commit_flags = 0; > - if ((code = xfs_trans_reserve(tp, 0, > - XFS_ICHANGE_LOG_RES(mp), 0, > - 0, 0))) { > - lock_flags = 0; > - goto error_return; > - } > + tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE); > + commit_flags = 0; > + code = xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), > + 0, 0, 0); > + if (code) { > + lock_flags = 0; > + goto error_return; > } > } else { > if (DM_EVENT_ENABLED(ip, DM_EVENT_TRUNCATE) && > @@ -295,15 +291,23 @@ xfs_setattr( > * or we are explicitly asked to change it. This handles > * the semantic difference between truncate() and ftruncate() > * as implemented in the VFS. > - */ > - if (iattr->ia_size != ip->i_size || (mask & ATTR_CTIME)) > - timeflags |= XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG; > + * > + * The regular truncate() case without ATTR_CTIME and ATTR_MTIME > + * is a special case where we need to update the times despite > + * not having these flags set. For all other operations the > + * VFS set these flags explicitly if it wants a timestamp > + * update. > + */ > + if (iattr->ia_size != ip->i_size && > + (!(mask & (ATTR_CTIME | ATTR_MTIME)))) { > + iattr->ia_ctime = iattr->ia_mtime = > + current_fs_time(inode->i_sb); > + mask |= ATTR_CTIME | ATTR_MTIME; > + } > > if (iattr->ia_size > ip->i_size) { > ip->i_d.di_size = iattr->ia_size; > ip->i_size = iattr->ia_size; > - if (!(flags & XFS_ATTR_DMI)) > - xfs_ichgtime(ip, XFS_ICHGTIME_CHG); > xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); > } else if (iattr->ia_size <= ip->i_size || > (iattr->ia_size == 0 && ip->i_d.di_nextents)) { > @@ -374,9 +378,6 @@ xfs_setattr( > ip->i_d.di_gid = gid; > inode->i_gid = gid; > } > - > - xfs_trans_log_inode (tp, ip, XFS_ILOG_CORE); > - timeflags |= XFS_ICHGTIME_CHG; > } > > /* > @@ -393,51 +394,37 @@ xfs_setattr( > > inode->i_mode &= S_IFMT; > inode->i_mode |= mode & ~S_IFMT; > - > - xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); > - timeflags |= XFS_ICHGTIME_CHG; > } > > /* > * Change file access or modified times. > */ > - if (mask & (ATTR_ATIME|ATTR_MTIME)) { > - if (mask & ATTR_ATIME) { > - inode->i_atime = iattr->ia_atime; > - ip->i_d.di_atime.t_sec = iattr->ia_atime.tv_sec; > - ip->i_d.di_atime.t_nsec = iattr->ia_atime.tv_nsec; > - ip->i_update_core = 1; > - } > - if (mask & ATTR_MTIME) { > - inode->i_mtime = iattr->ia_mtime; > - ip->i_d.di_mtime.t_sec = iattr->ia_mtime.tv_sec; > - ip->i_d.di_mtime.t_nsec = iattr->ia_mtime.tv_nsec; > - timeflags &= ~XFS_ICHGTIME_MOD; > - timeflags |= XFS_ICHGTIME_CHG; > - } > - if (tp && (mask & (ATTR_MTIME_SET|ATTR_ATIME_SET))) > - xfs_trans_log_inode (tp, ip, XFS_ILOG_CORE); > + if (mask & ATTR_ATIME) { > + inode->i_atime = iattr->ia_atime; > + ip->i_d.di_atime.t_sec = iattr->ia_atime.tv_sec; > + ip->i_d.di_atime.t_nsec = iattr->ia_atime.tv_nsec; > + ip->i_update_core = 1; > } > - > - /* > - * Change file inode change time only if ATTR_CTIME set > - * AND we have been called by a DMI function. > - */ > - > - if ((flags & XFS_ATTR_DMI) && (mask & ATTR_CTIME)) { > + if (mask & ATTR_CTIME) { > inode->i_ctime = iattr->ia_ctime; > ip->i_d.di_ctime.t_sec = iattr->ia_ctime.tv_sec; > ip->i_d.di_ctime.t_nsec = iattr->ia_ctime.tv_nsec; > ip->i_update_core = 1; > - timeflags &= ~XFS_ICHGTIME_CHG; > + } > + if (mask & ATTR_MTIME) { > + inode->i_mtime = iattr->ia_mtime; > + ip->i_d.di_mtime.t_sec = iattr->ia_mtime.tv_sec; > + ip->i_d.di_mtime.t_nsec = iattr->ia_mtime.tv_nsec; > + ip->i_update_core = 1; > } > > /* > - * Send out timestamp changes that need to be set to the > - * current time. Not done when called by a DMI function. > + * And finally, log the inode core if any attribute in it > + * has been changed. > */ > - if (timeflags && !(flags & XFS_ATTR_DMI)) > - xfs_ichgtime(ip, timeflags); > + if (mask & (ATTR_UID|ATTR_GID|ATTR_MODE| > + ATTR_ATIME|ATTR_CTIME|ATTR_MTIME)) > + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); > > XFS_STATS_INC(xs_ig_attrchg); > > @@ -452,12 +439,10 @@ xfs_setattr( > * mix so this probably isn't worth the trouble to optimize. > */ > code = 0; > - if (tp) { > - if (mp->m_flags & XFS_MOUNT_WSYNC) > - xfs_trans_set_sync(tp); > + if (mp->m_flags & XFS_MOUNT_WSYNC) > + xfs_trans_set_sync(tp); > > - code = xfs_trans_commit(tp, commit_flags); > - } > + code = xfs_trans_commit(tp, commit_flags); > > xfs_iunlock(ip, lock_flags); > > Index: linux-2.6/fs/xfs/linux-2.6/xfs_acl.c > =================================================================== > --- linux-2.6.orig/fs/xfs/linux-2.6/xfs_acl.c 2009-12-21 16:31:51.838990759 +0100 > +++ linux-2.6/fs/xfs/linux-2.6/xfs_acl.c 2009-12-21 16:32:17.471990759 +0100 > @@ -251,8 +251,9 @@ xfs_set_mode(struct inode *inode, mode_t > if (mode != inode->i_mode) { > struct iattr iattr; > > - iattr.ia_valid = ATTR_MODE; > + iattr.ia_valid = ATTR_MODE | ATTR_CTIME; > iattr.ia_mode = mode; > + iattr.ia_ctime = current_fs_time(inode->i_sb); > > error = -xfs_setattr(XFS_I(inode), &iattr, XFS_ATTR_NOACL); > } -- OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
| |