+ xfs_iunlock(ip, XFS_IOLOCK_SHARED);
+ return ret;
+}
+
+ssize_t
+xfs_splice_write(
+ bhv_desc_t *bdp,
+ struct pipe_inode_info *pipe,
+ struct file *outfilp,
+ loff_t *ppos,
+ size_t count,
+ int flags,
+ int ioflags,
+ cred_t *credp)
+{
+ xfs_inode_t *ip = XFS_BHVTOI(bdp);
+ xfs_mount_t *mp = ip->i_mount;
+ ssize_t ret;
+
+ XFS_STATS_INC(xs_write_calls);
+ if (XFS_FORCED_SHUTDOWN(ip->i_mount))
+ return -EIO;
+
+ xfs_ilock(ip, XFS_IOLOCK_EXCL);
+
+ if (DM_EVENT_ENABLED(BHV_TO_VNODE(bdp)->v_vfsp, ip, DM_EVENT_WRITE) &&
+ (!(ioflags & IO_INVIS))) {
+ vrwlock_t locktype = VRWLOCK_WRITE;
+ int error;
+
+ error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, BHV_TO_VNODE(bdp),
+ *ppos, count,
+ FILP_DELAY_FLAG(outfilp), &locktype);
+ if (error) {
+ xfs_iunlock(ip, XFS_IOLOCK_EXCL);
+ return -error;
+ }
+ }
+ xfs_rw_enter_trace(XFS_SPLICE_WRITE_ENTER, &ip->i_iocore,
+ pipe, count, *ppos, ioflags);
+ ret = generic_file_splice_write(pipe, outfilp, ppos, count, flags);
+ if (ret > 0)
+ XFS_STATS_ADD(xs_write_bytes, ret);