Release 4.11 fs/jfs/jfs_inode.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;
	unsigned int new_fl = 0;

	if (flags & JFS_IMMUTABLE_FL)
		new_fl |= S_IMMUTABLE;
	if (flags & JFS_APPEND_FL)
		new_fl |= S_APPEND;
	if (flags & JFS_NOATIME_FL)
		new_fl |= S_NOATIME;
	if (flags & JFS_DIRSYNC_FL)
		new_fl |= S_DIRSYNC;
	if (flags & JFS_SYNC_FL)
		new_fl |= S_SYNC;
	inode_set_flags(inode, new_fl, S_IMMUTABLE | S_APPEND | S_NOATIME |
			S_DIRSYNC | S_SYNC);
}

Contributors
Person
Tokens
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CommitProp
Herbert Pötzl
66
70.21%
1
50.00%
Fabian Frederick
28
29.79%
1
50.00%
Total
94
100.00%
2
100.00%



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;
}

Contributors
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CommitProp
Dave Kleikamp
97
100.00%
1
100.00%
Total
97
100.00%
1
100.00%

/*
 * 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_put;
	}

	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.
         */
	rc = dquot_initialize(inode);
	if (rc)
		goto fail_drop;
	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(inode);
	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", inode);

	return inode;

fail_drop:
	dquot_drop(inode);
	inode->i_flags |= S_NOQUOTA;
	clear_nlink(inode);
	unlock_new_inode(inode);
fail_put:
	iput(inode);
fail:
	return ERR_PTR(rc);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Dave Kleikamp
361
80.40%
8
44.44%
Herbert Pötzl
50
11.14%
1
5.56%
Christoph Hellwig
11
2.45%
3
16.67%
Akinobu Mita
10
2.23%
1
5.56%
Dmitriy Monakhov
7
1.56%
1
5.56%
Deepa Dinamani
4
0.89%
1
5.56%
Miklos Szeredi
3
0.67%
1
5.56%
Andi Kleen
2
0.45%
1
5.56%
Joe Perches
1
0.22%
1
5.56%
Total
449
100.00%
18
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Dave Kleikamp
484
72.67%
11
50.00%
Herbert Pötzl
116
17.42%
1
4.55%
Fabian Frederick
28
4.20%
1
4.55%
Christoph Hellwig
11
1.65%
3
13.64%
Akinobu Mita
10
1.50%
1
4.55%
Dmitriy Monakhov
7
1.05%
1
4.55%
Deepa Dinamani
4
0.60%
1
4.55%
Miklos Szeredi
3
0.45%
1
4.55%
Andi Kleen
2
0.30%
1
4.55%
Joe Perches
1
0.15%
1
4.55%
Total
666
100.00%
22
100.00%
Directory: fs/jfs

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