tmp_suning_uos_patched/fs/ocfs2/symlink.h
Al Viro ea022dfb3c ocfs: simplify symlink handling
seeing that "fast" symlinks still get allocation + copy, we might as
well simply switch them to pagecache-based variant of ->follow_link();
just need an appropriate ->readpage() for them...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29 23:28:40 -04:00

43 lines
1.3 KiB
C

/* -*- mode: c; c-basic-offset: 8; -*-
* vim: noexpandtab sw=8 ts=8 sts=0:
*
* symlink.h
*
* Function prototypes
*
* Copyright (C) 2002, 2004 Oracle. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#ifndef OCFS2_SYMLINK_H
#define OCFS2_SYMLINK_H
extern const struct inode_operations ocfs2_symlink_inode_operations;
extern const struct address_space_operations ocfs2_fast_symlink_aops;
/*
* Test whether an inode is a fast symlink.
*/
static inline int ocfs2_inode_is_fast_symlink(struct inode *inode)
{
return (S_ISLNK(inode->i_mode) &&
inode->i_blocks == 0);
}
#endif /* OCFS2_SYMLINK_H */