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Pipe vnodes are always mapped.

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This commit is contained in:
Thomas Veerman 2010-01-27 09:30:39 +00:00
parent d8b8e10ba4
commit 9a7cd8e254
1 changed files with 5 additions and 10 deletions
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15
servers/vfs/read.c
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@ -230,20 +230,15 @@ size_t req_size;
size = vp->v_size - pos32;
}
if (vp->v_mapfs_e != 0) {
r = req_readwrite(vp->v_mapfs_e, vp->v_mapinode_nr, position, rw_flag,
usr_e, buf, size, &new_pos, &cum_io_incr);
}
#if 0
if (vp->v_mapfs_e == 0)
panic(__FILE__, "unmapped pipe", NO_NUM);
r = req_readwrite(vp->v_fs_e, vp->v_inode_nr, position, rw_flag, usr_e,
buf, size, &new_pos, &cum_io_incr);
}
#endif
r = req_readwrite(vp->v_mapfs_e, vp->v_mapinode_nr, position, rw_flag, usr_e,
buf, size, &new_pos, &cum_io_incr);
if (r >= 0) {
if (ex64hi(new_pos))
panic(__FILE__, "read_write: bad new pos", NO_NUM);
panic(__FILE__, "rw_pipe: bad new pos", NO_NUM);
position = new_pos;
cum_io += cum_io_incr;