/* * super.c * * Copyright (C) 2001-2002 Will Dyson * * Licensed under the GNU GPL. See the file COPYING for details. * */ #include #include /* 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; } e='this.form.submit();'>space:mode:
authorNicolae Rosia <Nicolae_Rosia@mentor.com>2016-11-12 14:42:14 +0200
committerMark Brown <broonie@kernel.org>2016-11-16 18:03:39 +0000
commitdab780a3b489b038a47d8fbbc49c33aae1e7a682 (patch)
treec9599a6970c187f95f7875d2a3e948f05cef1e45 /net/xfrm/xfrm_replay.c
parent1001354ca34179f3db924eb66672442a173147dc (diff)
regulator: twl-regulator: rework fixed regulator definition
TWL603X and TWL4030 are different and have different code logic. Rework the regulator definition method so we can split the file easily in twl4030 and twl6030. Signed-off-by: Nicolae Rosia <Nicolae_Rosia@mentor.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'net/xfrm/xfrm_replay.c')