xfs: add xfs_setattr_time

Split out a xfs_setattr_time helper to share code between truncate and
regular setattr similar to xfs_setattr_mode.  I might also have another
caller growing for this in the near future.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index e7f4e4f..5762282 100644 (file)
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -474,6 +474,32 @@ xfs_setattr_mode(
        inode->i_mode |= mode & ~S_IFMT;
 }
 
+static void
+xfs_setattr_time(
+       struct xfs_inode        *ip,
+       struct iattr            *iattr)
+{
+       struct inode            *inode = VFS_I(ip);
+
+       ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
+
+       if (iattr->ia_valid & 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;
+       }
+       if (iattr->ia_valid & 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;
+       }
+       if (iattr->ia_valid & 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;
+       }
+}
+
 int
 xfs_setattr_nonsize(
        struct xfs_inode        *ip,
@@ -627,30 +653,10 @@ xfs_setattr_nonsize(
                }
        }
 
-       /*
-        * Change file access modes.
-        */
        if (mask & ATTR_MODE)
                xfs_setattr_mode(ip, iattr);
-
-       /*
-        * Change file access or modified times.
-        */
-       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;
-       }
-       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;
-       }
-       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;
-       }
+       if (mask & (ATTR_ATIME|ATTR_CTIME|ATTR_MTIME))
+               xfs_setattr_time(ip, iattr);
 
        xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 
@@ -865,22 +871,10 @@ xfs_setattr_size(
                xfs_inode_clear_eofblocks_tag(ip);
        }
 
-       /*
-        * Change file access modes.
-        */
        if (mask & ATTR_MODE)
                xfs_setattr_mode(ip, iattr);
-
-       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;
-       }
-       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;
-       }
+       if (mask & (ATTR_ATIME|ATTR_CTIME|ATTR_MTIME))
+               xfs_setattr_time(ip, iattr);
 
        xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);