diff options
Diffstat (limited to 'fs/partitions')
| -rw-r--r-- | fs/partitions/Makefile | 2 | ||||
| -rw-r--r-- | fs/partitions/ldm.c | 267 | ||||
| -rw-r--r-- | fs/partitions/msdos.c | 31 |
3 files changed, 163 insertions, 137 deletions
diff --git a/fs/partitions/Makefile b/fs/partitions/Makefile index d713ce6b3e12..67e665fdb7fc 100644 --- a/fs/partitions/Makefile +++ b/fs/partitions/Makefile @@ -2,7 +2,7 @@ # Makefile for the linux kernel. # -obj-y := check.o +obj-$(CONFIG_BLOCK) := check.o obj-$(CONFIG_ACORN_PARTITION) += acorn.o obj-$(CONFIG_AMIGA_PARTITION) += amiga.o diff --git a/fs/partitions/ldm.c b/fs/partitions/ldm.c index 7ab1c11dca4e..1a60926a4ccd 100644 --- a/fs/partitions/ldm.c +++ b/fs/partitions/ldm.c @@ -30,11 +30,6 @@ #include "check.h" #include "msdos.h" -typedef enum { - FALSE = 0, - TRUE = 1 -} BOOL; - /** * ldm_debug/info/error/crit - Output an error message * @f: A printf format string containing the message @@ -103,24 +98,24 @@ static int ldm_parse_hexbyte (const u8 *src) * * N.B. The GUID need not be NULL terminated. * - * Return: TRUE @dest contains binary GUID - * FALSE @dest contents are undefined + * Return: 'true' @dest contains binary GUID + * 'false' @dest contents are undefined */ -static BOOL ldm_parse_guid (const u8 *src, u8 *dest) +static bool ldm_parse_guid (const u8 *src, u8 *dest) { static const int size[] = { 4, 2, 2, 2, 6 }; int i, j, v; if (src[8] != '-' || src[13] != '-' || src[18] != '-' || src[23] != '-') - return FALSE; + return false; for (j = 0; j < 5; j++, src++) for (i = 0; i < size[j]; i++, src+=2, *dest++ = v) if ((v = ldm_parse_hexbyte (src)) < 0) - return FALSE; + return false; - return TRUE; + return true; } @@ -132,17 +127,17 @@ static BOOL ldm_parse_guid (const u8 *src, u8 *dest) * This parses the LDM database PRIVHEAD structure supplied in @data and * sets up the in-memory privhead structure @ph with the obtained information. * - * Return: TRUE @ph contains the PRIVHEAD data - * FALSE @ph contents are undefined + * Return: 'true' @ph contains the PRIVHEAD data + * 'false' @ph contents are undefined */ -static BOOL ldm_parse_privhead (const u8 *data, struct privhead *ph) +static bool ldm_parse_privhead (const u8 *data, struct privhead *ph) { BUG_ON (!data || !ph); if (MAGIC_PRIVHEAD != BE64 (data)) { ldm_error ("Cannot find PRIVHEAD structure. LDM database is" " corrupt. Aborting."); - return FALSE; + return false; } ph->ver_major = BE16 (data + 0x000C); @@ -155,7 +150,7 @@ static BOOL ldm_parse_privhead (const u8 *data, struct privhead *ph) if ((ph->ver_major != 2) || (ph->ver_minor != 11)) { ldm_error ("Expected PRIVHEAD version %d.%d, got %d.%d." " Aborting.", 2, 11, ph->ver_major, ph->ver_minor); - return FALSE; + return false; } if (ph->config_size != LDM_DB_SIZE) { /* 1 MiB in sectors. */ /* Warn the user and continue, carefully */ @@ -166,16 +161,16 @@ static BOOL ldm_parse_privhead (const u8 *data, struct privhead *ph) if ((ph->logical_disk_size == 0) || (ph->logical_disk_start + ph->logical_disk_size > ph->config_start)) { ldm_error ("PRIVHEAD disk size doesn't match real disk size"); - return FALSE; + return false; } if (!ldm_parse_guid (data + 0x0030, ph->disk_id)) { ldm_error ("PRIVHEAD contains an invalid GUID."); - return FALSE; + return false; } ldm_debug ("Parsed PRIVHEAD successfully."); - return TRUE; + return true; } /** @@ -189,16 +184,16 @@ static BOOL ldm_parse_privhead (const u8 *data, struct privhead *ph) * * N.B. The *_start and *_size values returned in @toc are not range-checked. * - * Return: TRUE @toc contains the TOCBLOCK data - * FALSE @toc contents are undefined + * Return: 'true' @toc contains the TOCBLOCK data + * 'false' @toc contents are undefined */ -static BOOL ldm_parse_tocblock (const u8 *data, struct tocblock *toc) +static bool ldm_parse_tocblock (const u8 *data, struct tocblock *toc) { BUG_ON (!data || !toc); if (MAGIC_TOCBLOCK != BE64 (data)) { ldm_crit ("Cannot find TOCBLOCK, database may be corrupt."); - return FALSE; + return false; } strncpy (toc->bitmap1_name, data + 0x24, sizeof (toc->bitmap1_name)); toc->bitmap1_name[sizeof (toc->bitmap1_name) - 1] = 0; @@ -209,7 +204,7 @@ static BOOL ldm_parse_tocblock (const u8 *data, struct tocblock *toc) sizeof (toc->bitmap1_name)) != 0) { ldm_crit ("TOCBLOCK's first bitmap is '%s', should be '%s'.", TOC_BITMAP1, toc->bitmap1_name); - return FALSE; + return false; } strncpy (toc->bitmap2_name, data + 0x46, sizeof (toc->bitmap2_name)); toc->bitmap2_name[sizeof (toc->bitmap2_name) - 1] = 0; @@ -219,10 +214,10 @@ static BOOL ldm_parse_tocblock (const u8 *data, struct tocblock *toc) sizeof (toc->bitmap2_name)) != 0) { ldm_crit ("TOCBLOCK's second bitmap is '%s', should be '%s'.", TOC_BITMAP2, toc->bitmap2_name); - return FALSE; + return false; } ldm_debug ("Parsed TOCBLOCK successfully."); - return TRUE; + return true; } /** @@ -235,16 +230,16 @@ static BOOL ldm_parse_tocblock (const u8 *data, struct tocblock *toc) * * N.B. The *_start, *_size and *_seq values will be range-checked later. * - * Return: TRUE @vm contains VMDB info - * FALSE @vm contents are undefined + * Return: 'true' @vm contains VMDB info + * 'false' @vm contents are undefined */ -static BOOL ldm_parse_vmdb (const u8 *data, struct vmdb *vm) +static bool ldm_parse_vmdb (const u8 *data, struct vmdb *vm) { BUG_ON (!data || !vm); if (MAGIC_VMDB != BE32 (data)) { ldm_crit ("Cannot find the VMDB, database may be corrupt."); - return FALSE; + return false; } vm->ver_major = BE16 (data + 0x12); @@ -252,7 +247,7 @@ static BOOL ldm_parse_vmdb (const u8 *data, struct vmdb *vm) if ((vm->ver_major != 4) || (vm->ver_minor != 10)) { ldm_error ("Expected VMDB version %d.%d, got %d.%d. " "Aborting.", 4, 10, vm->ver_major, vm->ver_minor); - return FALSE; + return false; } vm->vblk_size = BE32 (data + 0x08); @@ -260,7 +255,7 @@ static BOOL ldm_parse_vmdb (const u8 *data, struct vmdb *vm) vm->last_vblk_seq = BE32 (data + 0x04); ldm_debug ("Parsed VMDB successfully."); - return TRUE; + return true; } /** @@ -270,10 +265,10 @@ static BOOL ldm_parse_vmdb (const u8 *data, struct vmdb *vm) * * This compares the two privhead structures @ph1 and @ph2. * - * Return: TRUE Identical - * FALSE Different + * Return: 'true' Identical + * 'false' Different */ -static BOOL ldm_compare_privheads (const struct privhead *ph1, +static bool ldm_compare_privheads (const struct privhead *ph1, const struct privhead *ph2) { BUG_ON (!ph1 || !ph2); @@ -294,10 +289,10 @@ static BOOL ldm_compare_privheads (const struct privhead *ph1, * * This compares the two tocblock structures @toc1 and @toc2. * - * Return: TRUE Identical - * FALSE Different + * Return: 'true' Identical + * 'false' Different */ -static BOOL ldm_compare_tocblocks (const struct tocblock *toc1, +static bool ldm_compare_tocblocks (const struct tocblock *toc1, const struct tocblock *toc2) { BUG_ON (!toc1 || !toc2); @@ -323,17 +318,17 @@ static BOOL ldm_compare_tocblocks (const struct tocblock *toc1, * the configuration area (the database). The values are range-checked against * @hd, which contains the real size of the disk. * - * Return: TRUE Success - * FALSE Error + * Return: 'true' Success + * 'false' Error */ -static BOOL ldm_validate_privheads (struct block_device *bdev, +static bool ldm_validate_privheads (struct block_device *bdev, struct privhead *ph1) { static const int off[3] = { OFF_PRIV1, OFF_PRIV2, OFF_PRIV3 }; struct privhead *ph[3] = { ph1 }; Sector sect; u8 *data; - BOOL result = FALSE; + bool result = false; long num_sects; int i; @@ -393,7 +388,7 @@ static BOOL ldm_validate_privheads (struct block_device *bdev, goto out; }*/ ldm_debug ("Validated PRIVHEADs successfully."); - result = TRUE; + result = true; out: kfree (ph[1]); kfree (ph[2]); @@ -411,10 +406,10 @@ out: * * The offsets and sizes of the configs are range-checked against a privhead. * - * Return: TRUE @toc1 contains validated TOCBLOCK info - * FALSE @toc1 contents are undefined + * Return: 'true' @toc1 contains validated TOCBLOCK info + * 'false' @toc1 contents are undefined */ -static BOOL ldm_validate_tocblocks (struct block_device *bdev, +static bool ldm_validate_tocblocks (struct block_device *bdev, unsigned long base, struct ldmdb *ldb) { static const int off[4] = { OFF_TOCB1, OFF_TOCB2, OFF_TOCB3, OFF_TOCB4}; @@ -422,7 +417,7 @@ static BOOL ldm_validate_tocblocks (struct block_device *bdev, struct privhead *ph; Sector sect; u8 *data; - BOOL result = FALSE; + bool result = false; int i; BUG_ON (!bdev || !ldb); @@ -465,7 +460,7 @@ static BOOL ldm_validate_tocblocks (struct block_device *bdev, } ldm_debug ("Validated TOCBLOCKs successfully."); - result = TRUE; + result = true; out: kfree (tb[1]); kfree (tb[2]); @@ -482,15 +477,15 @@ out: * Find the vmdb of the LDM Database stored on @bdev and return the parsed * information in @ldb. * - * Return: TRUE @ldb contains validated VBDB info - * FALSE @ldb contents are undefined + * Return: 'true' @ldb contains validated VBDB info + * 'false' @ldb contents are undefined */ -static BOOL ldm_validate_vmdb (struct block_device *bdev, unsigned long base, +static bool ldm_validate_vmdb (struct block_device *bdev, unsigned long base, struct ldmdb *ldb) { Sector sect; u8 *data; - BOOL result = FALSE; + bool result = false; struct vmdb *vm; struct tocblock *toc; @@ -502,7 +497,7 @@ static BOOL ldm_validate_vmdb (struct block_device *bdev, unsigned long base, data = read_dev_sector (bdev, base + OFF_VMDB, §); if (!data) { ldm_crit ("Disk read failed."); - return FALSE; + return false; } if (!ldm_parse_vmdb (data, vm)) @@ -527,7 +522,7 @@ static BOOL ldm_validate_vmdb (struct block_device *bdev, unsigned long base, goto out; } - result = TRUE; + result = true; out: put_dev_sector (sect); return result; @@ -547,23 +542,23 @@ out: * only likely to happen if the underlying device is strange. If that IS * the case we should return zero to let someone else try. * - * Return: TRUE @bdev is a dynamic disk - * FALSE @bdev is not a dynamic disk, or an error occurred + * Return: 'true' @bdev is a dynamic disk + * 'false' @bdev is not a dynamic disk, or an error occurred */ -static BOOL ldm_validate_partition_table (struct block_device *bdev) +static bool ldm_validate_partition_table (struct block_device *bdev) { Sector sect; u8 *data; struct partition *p; int i; - BOOL result = FALSE; + bool result = false; BUG_ON (!bdev); data = read_dev_sector (bdev, 0, §); if (!data) { ldm_crit ("Disk read failed."); - return FALSE; + return false; } if (*(__le16*) (data + 0x01FE) != cpu_to_le16 (MSDOS_LABEL_MAGIC)) @@ -572,7 +567,7 @@ static BOOL ldm_validate_partition_table (struct block_device *bdev) p = (struct partition*)(data + 0x01BE); for (i = 0; i < 4; i++, p++) if (SYS_IND (p) == WIN2K_DYNAMIC_PARTITION) { - result = TRUE; + result = true; break; } @@ -625,10 +620,10 @@ static struct vblk * ldm_get_disk_objid (const struct ldmdb *ldb) * N.B. This function creates the partitions in the order it finds partition * objects in the linked list. * - * Return: TRUE Partition created - * FALSE Error, probably a range checking problem + * Return: 'true' Partition created + * 'false' Error, probably a range checking problem */ -static BOOL ldm_create_data_partitions (struct parsed_partitions *pp, +static bool ldm_create_data_partitions (struct parsed_partitions *pp, const struct ldmdb *ldb) { struct list_head *item; @@ -642,7 +637,7 @@ static BOOL ldm_create_data_partitions (struct parsed_partitions *pp, disk = ldm_get_disk_objid (ldb); if (!disk) { ldm_crit ("Can't find the ID of this disk in the database."); - return FALSE; + return false; } printk (" [LDM]"); @@ -661,7 +656,7 @@ static BOOL ldm_create_data_partitions (struct parsed_partitions *pp, } printk ("\n"); - return TRUE; + return true; } @@ -766,10 +761,10 @@ static int ldm_get_vstr (const u8 *block, u8 *buffer, int buflen) * * Read a raw VBLK Component object (version 3) into a vblk structure. * - * Return: TRUE @vb contains a Component VBLK - * FALSE @vb contents are not defined + * Return: 'true' @vb contains a Component VBLK + * 'false' @vb contents are not defined */ -static BOOL ldm_parse_cmp3 (const u8 *buffer, int buflen, struct vblk *vb) +static bool ldm_parse_cmp3 (const u8 *buffer, int buflen, struct vblk *vb) { int r_objid, r_name, r_vstate, r_child, r_parent, r_stripe, r_cols, len; struct vblk_comp *comp; @@ -792,11 +787,11 @@ static BOOL ldm_parse_cmp3 (const u8 *buffer, int buflen, struct vblk *vb) len = r_parent; } if (len < 0) - return FALSE; + return false; len += VBLK_SIZE_CMP3; if (len != BE32 (buffer + 0x14)) - return FALSE; + return false; comp = &vb->vblk.comp; ldm_get_vstr (buffer + 0x18 + r_name, comp->state, @@ -806,7 +801,7 @@ static BOOL ldm_parse_cmp3 (const u8 *buffer, int buflen, struct vblk *vb) comp->parent_id = ldm_get_vnum (buffer + 0x2D + r_child); comp->chunksize = r_stripe ? ldm_get_vnum (buffer+r_parent+0x2E) : 0; - return TRUE; + return true; } /** @@ -817,8 +812,8 @@ static BOOL ldm_parse_cmp3 (const u8 *buffer, int buflen, struct vblk *vb) * * Read a raw VBLK Disk Group object (version 3) into a vblk structure. * - * Return: TRUE @vb contains a Disk Group VBLK - * FALSE @vb contents are not defined + * Return: 'true' @vb contains a Disk Group VBLK + * 'false' @vb contents are not defined */ static int ldm_parse_dgr3 (const u8 *buffer, int buflen, struct vblk *vb) { @@ -841,16 +836,16 @@ static int ldm_parse_dgr3 (const u8 *buffer, int buflen, struct vblk *vb) len = r_diskid; } if (len < 0) - return FALSE; + return false; len += VBLK_SIZE_DGR3; if (len != BE32 (buffer + 0x14)) - return FALSE; + return false; dgrp = &vb->vblk.dgrp; ldm_get_vstr (buffer + 0x18 + r_name, dgrp->disk_id, sizeof (dgrp->disk_id)); - return TRUE; + return true; } /** @@ -861,10 +856,10 @@ static int ldm_parse_dgr3 (const u8 *buffer, int buflen, struct vblk *vb) * * Read a raw VBLK Disk Group object (version 4) into a vblk structure. * - * Return: TRUE @vb contains a Disk Group VBLK - * FALSE @vb contents are not defined + * Return: 'true' @vb contains a Disk Group VBLK + * 'false' @vb contents are not defined */ -static BOOL ldm_parse_dgr4 (const u8 *buffer, int buflen, struct vblk *vb) +static bool ldm_parse_dgr4 (const u8 *buffer, int buflen, struct vblk *vb) { char buf[64]; int r_objid, r_name, r_id1, r_id2, len; @@ -885,16 +880,16 @@ static BOOL ldm_parse_dgr4 (const u8 *buffer, int buflen, struct vblk *vb) len = r_name; } if (len < 0) - return FALSE; + return false; len += VBLK_SIZE_DGR4; if (len != BE32 (buffer + 0x14)) - return FALSE; + return false; dgrp = &vb->vblk.dgrp; ldm_get_vstr (buffer + 0x18 + r_objid, buf, sizeof (buf)); - return TRUE; + return true; } /** @@ -905,10 +900,10 @@ static BOOL ldm_parse_dgr4 (const u8 *buffer, int buflen, struct vblk *vb) * * Read a raw VBLK Disk object (version 3) into a vblk structure. * - * Return: TRUE @vb contains a Disk VBLK - * FALSE @vb contents are not defined + * Return: 'true' @vb contains a Disk VBLK + * 'false' @vb contents are not defined */ -static BOOL ldm_parse_dsk3 (const u8 *buffer, int buflen, struct vblk *vb) +static bool ldm_parse_dsk3 (const u8 *buffer, int buflen, struct vblk *vb) { int r_objid, r_name, r_diskid, r_altname, len; struct vblk_disk *disk; @@ -921,19 +916,19 @@ static BOOL ldm_parse_dsk3 (const u8 *buffer, int buflen, struct vblk *vb) r_altname = ldm_relative (buffer, buflen, 0x18, r_diskid); len = r_altname; if (len < 0) - return FALSE; + return false; len += VBLK_SIZE_DSK3; if (len != BE32 (buffer + 0x14)) - return FALSE; + return false; disk = &vb->vblk.disk; ldm_get_vstr (buffer + 0x18 + r_diskid, disk->alt_name, sizeof (disk->alt_name)); if (!ldm_parse_guid (buffer + 0x19 + r_name, disk->disk_id)) - return FALSE; + return false; - return TRUE; + return true; } /** @@ -944,10 +939,10 @@ static BOOL ldm_parse_dsk3 (const u8 *buffer, int buflen, struct vblk *vb) * * Read a raw VBLK Disk object (version 4) into a vblk structure. * - * Return: TRUE @vb contains a Disk VBLK - * FALSE @vb contents are not defined + * Return: 'true' @vb contains a Disk VBLK + * 'false' @vb contents are not defined */ -static BOOL ldm_parse_dsk4 (const u8 *buffer, int buflen, struct vblk *vb) +static bool ldm_parse_dsk4 (const u8 *buffer, int buflen, struct vblk *vb) { int r_objid, r_name, len; struct vblk_disk *disk; @@ -958,15 +953,15 @@ static BOOL ldm_parse_dsk4 (const u8 *buffer, int buflen, struct vblk *vb) r_name = ldm_relative (buffer, buflen, 0x18, r_objid); len = r_name; if (len < 0) - return FALSE; + return false; len += VBLK_SIZE_DSK4; if (len != BE32 (buffer + 0x14)) - return FALSE; + return false; disk = &vb->vblk.disk; memcpy (disk->disk_id, buffer + 0x18 + r_name, GUID_SIZE); - return TRUE; + return true; } /** @@ -977,10 +972,10 @@ static BOOL ldm_parse_dsk4 (const u8 *buffer, int buflen, struct vblk *vb) * * Read a raw VBLK Partition object (version 3) into a vblk structure. * - * Return: TRUE @vb contains a Partition VBLK - * FALSE @vb contents are not defined + * Return: 'true' @vb contains a Partition VBLK + * 'false' @vb contents are not defined */ -static BOOL ldm_parse_prt3 (const u8 *buffer, int buflen, struct vblk *vb) +static bool ldm_parse_prt3 (const u8 *buffer, int buflen, struct vblk *vb) { int r_objid, r_name, r_size, r_parent, r_diskid, r_index, len; struct vblk_part *part; @@ -1001,11 +996,11 @@ static BOOL ldm_parse_prt3 (const u8 *buffer, int buflen, struct vblk *vb) len = r_diskid; } if (len < 0) - return FALSE; + return false; len += VBLK_SIZE_PRT3; if (len != BE32 (buffer + 0x14)) - return FALSE; + return false; part = &vb->vblk.part; part->start = BE64 (buffer + 0x24 + r_name); @@ -1018,7 +1013,7 @@ static BOOL ldm_parse_prt3 (const u8 *buffer, int buflen, struct vblk *vb) else part->partnum = 0; - return TRUE; + return true; } /** @@ -1029,10 +1024,10 @@ static BOOL ldm_parse_prt3 (const u8 *buffer, int buflen, struct vblk *vb) * * Read a raw VBLK Volume object (version 5) into a vblk structure. * - * Return: TRUE @vb contains a Volume VBLK - * FALSE @vb contents are not defined + * Return: 'true' @vb contains a Volume VBLK + * 'false' @vb contents are not defined */ -static BOOL ldm_parse_vol5 (const u8 *buffer, int buflen, struct vblk *vb) +static bool ldm_parse_vol5 (const u8 *buffer, int buflen, struct vblk *vb) { int r_objid, r_name, r_vtype, r_child, r_size, r_id1, r_id2, r_size2; int r_drive, len; @@ -1068,11 +1063,11 @@ static BOOL ldm_parse_vol5 (const u8 *buffer, int buflen, struct vblk *vb) len = r_drive; if (len < 0) - return FALSE; + return false; len += VBLK_SIZE_VOL5; if (len != BE32 (buffer + 0x14)) - return FALSE; + return false; volu = &vb->vblk.volu; @@ -1087,7 +1082,7 @@ static BOOL ldm_parse_vol5 (const u8 *buffer, int buflen, struct vblk *vb) ldm_get_vstr (buffer + 0x53 + r_size, volu->drive_hint, sizeof (volu->drive_hint)); } - return TRUE; + return true; } /** @@ -1100,12 +1095,12 @@ static BOOL ldm_parse_vol5 (const u8 *buffer, int buflen, struct vblk *vb) * information common to all VBLK types, then delegates the rest of the work to * helper functions: ldm_parse_*. * - * Return: TRUE @vb contains a VBLK - * FALSE @vb contents are not defined + * Return: 'true' @vb contains a VBLK + * 'false' @vb contents are not defined */ -static BOOL ldm_parse_vblk (const u8 *buf, int len, struct vblk *vb) +static bool ldm_parse_vblk (const u8 *buf, int len, struct vblk *vb) { - BOOL result = FALSE; + bool result = false; int r_objid; BUG_ON (!buf || !vb); @@ -1113,7 +1108,7 @@ static BOOL ldm_parse_vblk (const u8 *buf, int len, struct vblk *vb) r_objid = ldm_relative (buf, len, 0x18, 0); if (r_objid < 0) { ldm_error ("VBLK header is corrupt."); - return FALSE; + return false; } vb->flags = buf[0x12]; @@ -1152,10 +1147,10 @@ static BOOL ldm_parse_vblk (const u8 *buf, int len, struct vblk *vb) * * N.B. This function does not check the validity of the VBLKs. * - * Return: TRUE The VBLK was added - * FALSE An error occurred + * Return: 'true' The VBLK was added + * 'false' An error occurred */ -static BOOL ldm_ldmdb_add (u8 *data, int len, struct ldmdb *ldb) +static bool ldm_ldmdb_add (u8 *data, int len, struct ldmdb *ldb) { struct vblk *vb; struct list_head *item; @@ -1165,12 +1160,12 @@ static BOOL ldm_ldmdb_add (u8 *data, int len, struct ldmdb *ldb) vb = kmalloc (sizeof (*vb), GFP_KERNEL); if (!vb) { ldm_crit ("Out of memory."); - return FALSE; + return false; } if (!ldm_parse_vblk (data, len, vb)) { kfree(vb); - return FALSE; /* Already logged */ + return false; /* Already logged */ } /* Put vblk into the correct list. */ @@ -1196,13 +1191,13 @@ static BOOL ldm_ldmdb_add (u8 *data, int len, struct ldmdb *ldb) if ((v->vblk.part.disk_id == vb->vblk.part.disk_id) && (v->vblk.part.start > vb->vblk.part.start)) { list_add_tail (&vb->list, &v->list); - return TRUE; + return true; } } list_add_tail (&vb->list, &ldb->v_part); break; } - return TRUE; + return true; } /** @@ -1214,10 +1209,10 @@ static BOOL ldm_ldmdb_add (u8 *data, int len, struct ldmdb *ldb) * Fragmented VBLKs may not be consecutive in the database, so they are placed * in a list so they can be pieced together later. * - * Return: TRUE Success, the VBLK was added to the list - * FALSE Error, a problem occurred + * Return: 'true' Success, the VBLK was added to the list + * 'false' Error, a problem occurred */ -static BOOL ldm_frag_add (const u8 *data, int size, struct list_head *frags) +static bool ldm_frag_add (const u8 *data, int size, struct list_head *frags) { struct frag *f; struct list_head *item; @@ -1230,7 +1225,7 @@ static BOOL ldm_frag_add (const u8 *data, int size, struct list_head *frags) num = BE16 (data + 0x0E); if ((num < 1) || (num > 4)) { ldm_error ("A VBLK claims to have %d parts.", num); - return FALSE; + return false; } list_for_each (item, frags) { @@ -1242,7 +1237,7 @@ static BOOL ldm_frag_add (const u8 *data, int size, struct list_head *frags) f = kmalloc (sizeof (*f) + size*num, GFP_KERNEL); if (!f) { ldm_crit ("Out of memory."); - return FALSE; + return false; } f->group = group; @@ -1255,7 +1250,7 @@ found: if (f->map & (1 << rec)) { ldm_error ("Duplicate VBLK, part %d.", rec); f->map &= 0x7F; /* Mark the group as broken */ - return FALSE; + return false; } f->map |= (1 << rec); @@ -1266,7 +1261,7 @@ found: } memcpy (f->data+rec*(size-VBLK_SIZE_HEAD)+VBLK_SIZE_HEAD, data, size); - return TRUE; + return true; } /** @@ -1295,10 +1290,10 @@ static void ldm_frag_free (struct list_head *list) * Now that all the fragmented VBLKs have been collected, they must be added to * the database for later use. * - * Return: TRUE All the fragments we added successfully - * FALSE One or more of the fragments we invalid + * Return: 'true' All the fragments we added successfully + * 'false' One or more of the fragments we invalid */ -static BOOL ldm_frag_commit (struct list_head *frags, struct ldmdb *ldb) +static bool ldm_frag_commit (struct list_head *frags, struct ldmdb *ldb) { struct frag *f; struct list_head *item; @@ -1311,13 +1306,13 @@ static BOOL ldm_frag_commit (struct list_head *frags, struct ldmdb *ldb) if (f->map != 0xFF) { ldm_error ("VBLK group %d is incomplete (0x%02x).", f->group, f->map); - return FALSE; + return false; } if (!ldm_ldmdb_add (f->data, f->num*ldb->vm.vblk_size, ldb)) - return FALSE; /* Already logged */ + return false; /* Already logged */ } - return TRUE; + return true; } /** @@ -1329,16 +1324,16 @@ static BOOL ldm_frag_commit (struct list_head *frags, struct ldmdb *ldb) * To use the information from the VBLKs, they need to be read from the disk, * unpacked and validated. We cache them in @ldb according to their type. * - * Return: TRUE All the VBLKs were read successfully - * FALSE An error occurred + * Return: 'true' All the VBLKs were read successfully + * 'false' An error occurred */ -static BOOL ldm_get_vblks (struct block_device *bdev, unsigned long base, +static bool ldm_get_vblks (struct block_device *bdev, unsigned long base, struct ldmdb *ldb) { int size, perbuf, skip, finish, s, v, recs; u8 *data = NULL; Sector sect; - BOOL result = FALSE; + bool result = false; LIST_HEAD (frags); BUG_ON (!bdev || !ldb); diff --git a/fs/partitions/msdos.c b/fs/partitions/msdos.c index 8f12587c3129..4f8df71e49d3 100644 --- a/fs/partitions/msdos.c +++ b/fs/partitions/msdos.c @@ -58,6 +58,31 @@ msdos_magic_present(unsigned char *p) return (p[0] == MSDOS_LABEL_MAGIC1 && p[1] == MSDOS_LABEL_MAGIC2); } +/* Value is EBCDIC 'IBMA' */ +#define AIX_LABEL_MAGIC1 0xC9 +#define AIX_LABEL_MAGIC2 0xC2 +#define AIX_LABEL_MAGIC3 0xD4 +#define AIX_LABEL_MAGIC4 0xC1 +static int aix_magic_present(unsigned char *p, struct block_device *bdev) +{ + Sector sect; + unsigned char *d; + int ret = 0; + + if (p[0] != AIX_LABEL_MAGIC1 && + p[1] != AIX_LABEL_MAGIC2 && + p[2] != AIX_LABEL_MAGIC3 && + p[3] != AIX_LABEL_MAGIC4) + return 0; + d = read_dev_sector(bdev, 7, §); + if (d) { + if (d[0] == '_' && d[1] == 'L' && d[2] == 'V' && d[3] == 'M') + ret = 1; + put_dev_sector(sect); + }; + return ret; +} + /* * Create devices for each logical partition in an extended partition. * The logical partitions form a linked list, with each entry being @@ -393,6 +418,12 @@ int msdos_partition(struct parsed_partitions *state, struct block_device *bdev) return 0; } + if (aix_magic_present(data, bdev)) { + put_dev_sector(sect); + printk( " [AIX]"); + return 0; + } + /* * Now that the 55aa signature is present, this is probably * either the boot sector of a FAT filesystem or a DOS-type |