[PATCH 19/21] partitions/msdos: remove LINUX_SWAP_PARTITION

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Just always use NEW_SOLARIS_X86_PARTITION and explain the situation,
as that is less confusing than two names for a single value.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 block/partitions/msdos.c        | 18 ++++++++++++------
 include/linux/msdos_partition.h |  3 +--
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/block/partitions/msdos.c b/block/partitions/msdos.c
index 88ee5ee7f442..e44e2f0a02cc 100644
--- a/block/partitions/msdos.c
+++ b/block/partitions/msdos.c
@@ -77,13 +77,19 @@ static int aix_magic_present(struct parsed_partitions *state, unsigned char *p)
 		p[2] == AIX_LABEL_MAGIC3 &&
 		p[3] == AIX_LABEL_MAGIC4))
 		return 0;
-	/* Assume the partition table is valid if Linux partitions exists */
+
+	/*
+	 * Assume the partition table is valid if Linux partitions exists.
+	 * Note that old Solaris/x86 partitions use the same indicator as
+	 * Linux swap partitions, so we consider that a Linux partition as
+	 * well.
+	 */
 	for (slot = 1; slot <= 4; slot++, pt++) {
-		if (pt->sys_ind == LINUX_SWAP_PARTITION ||
-			pt->sys_ind == LINUX_RAID_PARTITION ||
-			pt->sys_ind == LINUX_DATA_PARTITION ||
-			pt->sys_ind == LINUX_LVM_PARTITION ||
-			is_extended_partition(pt))
+		if (pt->sys_ind == SOLARIS_X86_PARTITION ||
+		    pt->sys_ind == LINUX_RAID_PARTITION ||
+		    pt->sys_ind == LINUX_DATA_PARTITION ||
+		    pt->sys_ind == LINUX_LVM_PARTITION ||
+		    is_extended_partition(pt))
 			return 0;
 	}
 	d = read_part_sector(state, 7, &sect);
diff --git a/include/linux/msdos_partition.h b/include/linux/msdos_partition.h
index e151af072cd1..2cb82db2a43c 100644
--- a/include/linux/msdos_partition.h
+++ b/include/linux/msdos_partition.h
@@ -27,12 +27,11 @@ enum msdos_sys_ind {
 	LINUX_EXTENDED_PARTITION = 0x85,
 	WIN98_EXTENDED_PARTITION = 0x0f,
 
-	LINUX_SWAP_PARTITION = 0x82,
 	LINUX_DATA_PARTITION = 0x83,
 	LINUX_LVM_PARTITION = 0x8e,
 	LINUX_RAID_PARTITION = 0xfd,	/* autodetect RAID partition */
 
-	SOLARIS_X86_PARTITION =	LINUX_SWAP_PARTITION,
+	SOLARIS_X86_PARTITION =	0x82,	/* also Linux swap partitions */
 	NEW_SOLARIS_X86_PARTITION = 0xbf,
 
 	DM6_AUX1PARTITION = 0x51,	/* no DDO:  use xlated geom */
-- 
2.25.1




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