319b2be49e
Acked-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
166 lines
4 KiB
C
166 lines
4 KiB
C
/*
|
|
* Copyright (C) International Business Machines Corp., 2000-2004
|
|
*
|
|
* 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 02111-1307 USA
|
|
*/
|
|
|
|
#include <linux/fs.h>
|
|
#include <linux/quotaops.h>
|
|
#include "jfs_incore.h"
|
|
#include "jfs_inode.h"
|
|
#include "jfs_filsys.h"
|
|
#include "jfs_imap.h"
|
|
#include "jfs_dinode.h"
|
|
#include "jfs_debug.h"
|
|
|
|
|
|
void jfs_set_inode_flags(struct inode *inode)
|
|
{
|
|
unsigned int flags = JFS_IP(inode)->mode2;
|
|
|
|
inode->i_flags &= ~(S_IMMUTABLE | S_APPEND |
|
|
S_NOATIME | S_DIRSYNC | S_SYNC);
|
|
|
|
if (flags & JFS_IMMUTABLE_FL)
|
|
inode->i_flags |= S_IMMUTABLE;
|
|
if (flags & JFS_APPEND_FL)
|
|
inode->i_flags |= S_APPEND;
|
|
if (flags & JFS_NOATIME_FL)
|
|
inode->i_flags |= S_NOATIME;
|
|
if (flags & JFS_DIRSYNC_FL)
|
|
inode->i_flags |= S_DIRSYNC;
|
|
if (flags & JFS_SYNC_FL)
|
|
inode->i_flags |= S_SYNC;
|
|
}
|
|
|
|
void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip)
|
|
{
|
|
unsigned int flags = jfs_ip->vfs_inode.i_flags;
|
|
|
|
jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_APPEND_FL | JFS_NOATIME_FL |
|
|
JFS_DIRSYNC_FL | JFS_SYNC_FL);
|
|
if (flags & S_IMMUTABLE)
|
|
jfs_ip->mode2 |= JFS_IMMUTABLE_FL;
|
|
if (flags & S_APPEND)
|
|
jfs_ip->mode2 |= JFS_APPEND_FL;
|
|
if (flags & S_NOATIME)
|
|
jfs_ip->mode2 |= JFS_NOATIME_FL;
|
|
if (flags & S_DIRSYNC)
|
|
jfs_ip->mode2 |= JFS_DIRSYNC_FL;
|
|
if (flags & S_SYNC)
|
|
jfs_ip->mode2 |= JFS_SYNC_FL;
|
|
}
|
|
|
|
/*
|
|
* NAME: ialloc()
|
|
*
|
|
* FUNCTION: Allocate a new inode
|
|
*
|
|
*/
|
|
struct inode *ialloc(struct inode *parent, umode_t mode)
|
|
{
|
|
struct super_block *sb = parent->i_sb;
|
|
struct inode *inode;
|
|
struct jfs_inode_info *jfs_inode;
|
|
int rc;
|
|
|
|
inode = new_inode(sb);
|
|
if (!inode) {
|
|
jfs_warn("ialloc: new_inode returned NULL!");
|
|
rc = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
jfs_inode = JFS_IP(inode);
|
|
|
|
rc = diAlloc(parent, S_ISDIR(mode), inode);
|
|
if (rc) {
|
|
jfs_warn("ialloc: diAlloc returned %d!", rc);
|
|
if (rc == -EIO)
|
|
make_bad_inode(inode);
|
|
goto fail_put;
|
|
}
|
|
|
|
if (insert_inode_locked(inode) < 0) {
|
|
rc = -EINVAL;
|
|
goto fail_unlock;
|
|
}
|
|
|
|
inode_init_owner(inode, parent, mode);
|
|
/*
|
|
* New inodes need to save sane values on disk when
|
|
* uid & gid mount options are used
|
|
*/
|
|
jfs_inode->saved_uid = inode->i_uid;
|
|
jfs_inode->saved_gid = inode->i_gid;
|
|
|
|
/*
|
|
* Allocate inode to quota.
|
|
*/
|
|
dquot_initialize(inode);
|
|
rc = dquot_alloc_inode(inode);
|
|
if (rc)
|
|
goto fail_drop;
|
|
|
|
/* inherit flags from parent */
|
|
jfs_inode->mode2 = JFS_IP(parent)->mode2 & JFS_FL_INHERIT;
|
|
|
|
if (S_ISDIR(mode)) {
|
|
jfs_inode->mode2 |= IDIRECTORY;
|
|
jfs_inode->mode2 &= ~JFS_DIRSYNC_FL;
|
|
}
|
|
else {
|
|
jfs_inode->mode2 |= INLINEEA | ISPARSE;
|
|
if (S_ISLNK(mode))
|
|
jfs_inode->mode2 &= ~(JFS_IMMUTABLE_FL|JFS_APPEND_FL);
|
|
}
|
|
jfs_inode->mode2 |= inode->i_mode;
|
|
|
|
inode->i_blocks = 0;
|
|
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
|
|
jfs_inode->otime = inode->i_ctime.tv_sec;
|
|
inode->i_generation = JFS_SBI(sb)->gengen++;
|
|
|
|
jfs_inode->cflag = 0;
|
|
|
|
/* Zero remaining fields */
|
|
memset(&jfs_inode->acl, 0, sizeof(dxd_t));
|
|
memset(&jfs_inode->ea, 0, sizeof(dxd_t));
|
|
jfs_inode->next_index = 0;
|
|
jfs_inode->acltype = 0;
|
|
jfs_inode->btorder = 0;
|
|
jfs_inode->btindex = 0;
|
|
jfs_inode->bxflag = 0;
|
|
jfs_inode->blid = 0;
|
|
jfs_inode->atlhead = 0;
|
|
jfs_inode->atltail = 0;
|
|
jfs_inode->xtlid = 0;
|
|
jfs_set_inode_flags(inode);
|
|
|
|
jfs_info("ialloc returns inode = 0x%p\n", inode);
|
|
|
|
return inode;
|
|
|
|
fail_drop:
|
|
dquot_drop(inode);
|
|
inode->i_flags |= S_NOQUOTA;
|
|
fail_unlock:
|
|
inode->i_nlink = 0;
|
|
unlock_new_inode(inode);
|
|
fail_put:
|
|
iput(inode);
|
|
fail:
|
|
return ERR_PTR(rc);
|
|
}
|