Just fill in struct kstat directly from the xfs_inode instead of doing
a detour through a bhv_vattr_t and xfs_getattr.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Index: linux-2.6-xfs/fs/xfs/linux-2.6/xfs_iops.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/linux-2.6/xfs_iops.c 2007-09-06
10:42:40.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/linux-2.6/xfs_iops.c 2007-09-06 10:44:33.000000000
+0200
@@ -564,33 +564,61 @@ xfs_vn_permission(
STATIC int
xfs_vn_getattr(
- struct vfsmount *mnt,
- struct dentry *dentry,
- struct kstat *stat)
+ struct vfsmount *mnt,
+ struct dentry *dentry,
+ struct kstat *stat)
{
- struct inode *inode = dentry->d_inode;
- bhv_vattr_t vattr = { .va_mask = XFS_AT_STAT };
- int error;
-
- error = xfs_getattr(XFS_I(inode), &vattr, ATTR_LAZY);
- if (likely(!error)) {
- stat->size = i_size_read(inode);
- stat->dev = inode->i_sb->s_dev;
- stat->rdev = (vattr.va_rdev == 0) ? 0 :
- MKDEV(sysv_major(vattr.va_rdev) & 0x1ff,
- sysv_minor(vattr.va_rdev));
- stat->mode = vattr.va_mode;
- stat->nlink = vattr.va_nlink;
- stat->uid = vattr.va_uid;
- stat->gid = vattr.va_gid;
- stat->ino = vattr.va_nodeid;
- stat->atime = vattr.va_atime;
- stat->mtime = vattr.va_mtime;
- stat->ctime = vattr.va_ctime;
- stat->blocks = vattr.va_nblocks;
- stat->blksize = vattr.va_blocksize;
+ struct inode *inode = dentry->d_inode;
+ struct xfs_inode *ip = XFS_I(inode);
+ struct xfs_mount *mp = ip->i_mount;
+
+ xfs_itrace_entry(ip);
+
+ if (XFS_FORCED_SHUTDOWN(mp))
+ return XFS_ERROR(EIO);
+
+ stat->size = XFS_ISIZE(ip);
+ stat->dev = inode->i_sb->s_dev;
+ stat->mode = ip->i_d.di_mode;
+ stat->nlink = ip->i_d.di_nlink;
+ stat->uid = ip->i_d.di_uid;
+ stat->gid = ip->i_d.di_gid;
+ stat->ino = ip->i_ino;
+#if XFS_BIG_INUMS
+ stat->ino += mp->m_inoadd;
+#endif
+ stat->atime = inode->i_atime;
+ stat->mtime.tv_sec = ip->i_d.di_mtime.t_sec;
+ stat->mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
+ stat->ctime.tv_sec = ip->i_d.di_ctime.t_sec;
+ stat->ctime.tv_nsec = ip->i_d.di_ctime.t_nsec;
+ stat->blocks =
+ XFS_FSB_TO_BB(mp, ip->i_d.di_nblocks + ip->i_delayed_blks);
+
+
+ switch (inode->i_mode & S_IFMT) {
+ case S_IFBLK:
+ case S_IFCHR:
+ stat->blksize = BLKDEV_IOSIZE;
+ stat->rdev = MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff,
+ sysv_minor(ip->i_df.if_u2.if_rdev));
+ break;
+ default:
+ if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME) {
+ /*
+ * If the file blocks are being allocated from a
+ * realtime volume, then return the inode's realtime
+ * extent size or the realtime volume's extent size.
+ */
+ stat->blksize =
+ xfs_get_extsz_hint(ip) << mp->m_sb.sb_blocklog;
+ } else
+ stat->blksize = xfs_preferred_iosize(mp);
+ stat->rdev = 0;
+ break;
}
- return -error;
+
+ return 0;
}
STATIC int
|