/*
 * super.c
 *
 * Copyright (C) 2001-2002 Will Dyson <will_dyson@pobox.com>
 *
 * Licensed under the GNU GPL. See the file COPYING for details.
 *
 */

#include <linux/fs.h>
#include <asm/page.h> /* for PAGE_SIZE */

#include "befs.h"
#include "super.h"

/*
 * befs_load_sb -- Read from disk and properly byteswap all the fields
 * of the befs superblock
 */
int
befs_load_sb(struct super_block *sb, befs_super_block *disk_sb)
{
	struct befs_sb_info *befs_sb = BEFS_SB(sb);

	/* Check the byte order of the filesystem */
	if (disk_sb->fs_byte_order == BEFS_BYTEORDER_NATIVE_LE)
		befs_sb->byte_order = BEFS_BYTESEX_LE;
	else if (disk_sb->fs_byte_order == BEFS_BYTEORDER_NATIVE_BE)
		befs_sb->byte_order = BEFS_BYTESEX_BE;

	befs_sb->magic1 = fs32_to_cpu(sb, disk_sb->magic1);
	befs_sb->magic2 = fs32_to_cpu(sb, disk_sb->magic2);
	befs_sb->magic3 = fs32_to_cpu(sb, disk_sb->magic3);
	befs_sb->block_size = fs32_to_cpu(sb, disk_sb->block_size);
	befs_sb->block_shift = fs32_to_cpu(sb, disk_sb->block_shift);
	befs_sb->num_blocks = fs64_to_cpu(sb, disk_sb->num_blocks);
	befs_sb->used_blocks = fs64_to_cpu(sb, disk_sb->used_blocks);
	befs_sb->inode_size = fs32_to_cpu(sb, disk_sb->inode_size);

	befs_sb->blocks_per_ag = fs32_to_cpu(sb, disk_sb->blocks_per_ag);
	befs_sb->ag_shift = fs32_to_cpu(sb, disk_sb->ag_shift);
	befs_sb->num_ags = fs32_to_cpu(sb, disk_sb->num_ags);

	befs_sb->flags = fs32_to_cpu(sb, disk_sb->flags);

	befs_sb->log_blocks = fsrun_to_cpu(sb, disk_sb->log_blocks);
	befs_sb->log_start = fs64_to_cpu(sb, disk_sb->log_start);
	befs_sb->log_end = fs64_to_cpu(sb, disk_sb->log_end);

	befs_sb->root_dir = fsrun_to_cpu(sb, disk_sb->root_dir);
	befs_sb->indices = fsrun_to_cpu(sb, disk_sb->indices);
	befs_sb->nls = NULL;

	return BEFS_OK;
}

int
befs_check_sb(struct super_block *sb)
{
	struct befs_sb_info *befs_sb = BEFS_SB(sb);

	/* Check magic headers of super block */
	if ((befs_sb->magic1 != BEFS_SUPER_MAGIC1)
	    || (befs_sb->magic2 != BEFS_SUPER_MAGIC2)
	    || (befs_sb->magic3 != BEFS_SUPER_MAGIC3)) {
		befs_error(sb, "invalid magic header");
		return BEFS_ERR;
	}

	/*
	 * Check blocksize of BEFS.
	 *
	 * Blocksize of BEFS is 1024, 2048, 4096 or 8192.
	 */

	if ((befs_sb->block_size != 1024)
	    && (befs_sb->block_size != 2048)
	    && (befs_sb->block_size != 4096)
	    && (befs_sb->block_size != 8192)) {
		befs_error(sb, "invalid blocksize: %u", befs_sb->block_size);
		return BEFS_ERR;
	}

	if (befs_sb->block_size > PAGE_SIZE) {
		befs_error(sb, "blocksize(%u) cannot be larger "
			   "than system pagesize(%lu)", befs_sb->block_size,
			   PAGE_SIZE);
		return BEFS_ERR;
	}

	/*
	 * block_shift and block_size encode the same information
	 * in different ways as a consistency check.
	 */

	if ((1 << befs_sb->block_shift) != befs_sb->block_size) {
		befs_error(sb, "block_shift disagrees with block_size. "
			   "Corruption likely.");
		return BEFS_ERR;
	}


	/* ag_shift also encodes the same information as blocks_per_ag in a
	 * different way, non-fatal consistency check
	 */
	if ((1 << befs_sb->ag_shift) != befs_sb->blocks_per_ag)
		befs_error(sb, "ag_shift disagrees with blocks_per_ag.");

	if (befs_sb->log_start != befs_sb->log_end ||
	    befs_sb->flags == BEFS_DIRTY) {
		befs_error(sb, "Filesystem not clean! There are blocks in the "
			   "journal. You must boot into BeOS and mount this "
			   "volume to make it clean.");
		return BEFS_ERR;
	}

	return BEFS_OK;
}
t/log/drivers/usb/common/led.c?h=nds-private-remove&amp;id=5e17da634a21b1200853fe82ba67d6571f2beabe'>led.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/common/led.c?h=nds-private-remove&amp;id=5e17da634a21b1200853fe82ba67d6571f2beabe&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-20 15:24:32 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-20 15:24:32 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/kvm/arm_vgic.h?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d'>3eb86259eca6a363ed7bb13ecea5cda809f7b97d</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/kvm/arm_vgic.h?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d'>39ad92d0c5496d4eab67741e6d5b61f3b9b0a370</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/kvm/arm_vgic.h?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d'>include/kvm/arm_vgic.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/kvm/arm_vgic.h?id=f95adbc1f7cef521d1d6b9146691d5971a660614'>f95adbc1f7cef521d1d6b9146691d5971a660614</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/kvm/arm_vgic.h?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d&amp;id2=f95adbc1f7cef521d1d6b9146691d5971a660614'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/kvm/arm_vgic.h?id=50f4d9bda9f8510db1392b4e832fca95c56295a1'>50f4d9bda9f8510db1392b4e832fca95c56295a1</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/kvm/arm_vgic.h?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d&amp;id2=50f4d9bda9f8510db1392b4e832fca95c56295a1'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'akpm' (patches from Andrew)</div><div class='commit-msg'>Merge final set of updates from Andrew Morton:

 - a series to make IMA play better across kexec

 - a handful of random fixes

* emailed patches from Andrew Morton &lt;akpm@linux-foundation.org&gt;:
  printk: fix typo in CONSOLE_LOGLEVEL_DEFAULT help text
  ratelimit: fix WARN_ON_RATELIMIT return value
  kcov: make kcov work properly with KASLR enabled
  arm64: setup: introduce kaslr_offset()
  mm: fadvise: avoid expensive remote LRU cache draining after FADV_DONTNEED
  ima: platform-independent hash value
  ima: define a canonical binary_runtime_measurements list format
  ima: support restoring multiple template formats
  ima: store the builtin/custom template definitions in a list
  ima: on soft reboot, save the measurement list
  powerpc: ima: send the kexec buffer to the next kernel
  ima: maintain memory size needed for serializing the measurement list
  ima: permit duplicate measurement list entries
  ima: on soft reboot, restore the measurement list
  powerpc: ima: get the kexec buffer passed by the previous kernel
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d'>Diffstat</a> (limited to 'include/kvm/arm_vgic.h')</div><table summary='diffstat' class='diffstat'>