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Commit 93dbfad7 authored by Heiko Carstens's avatar Heiko Carstens Committed by Chris Mason
Browse files

Btrfs: fix __ucmpdi2 compile bug on 32 bit builds 



We get this on 32 builds:

fs/built-in.o: In function `extent_fiemap':
(.text+0x1019f2): undefined reference to `__ucmpdi2'

Happens because of a switch statement with a 64 bit argument.
Convert this to an if statement to fix this.

Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 09771430

fs/btrfs/extent_io.c

+5 −11
Original line number Diff line number Diff line
@@ -2884,25 +2884,19 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, 
		disko = 0;

		flags = 0;



		switch (em->block_start) {

		case EXTENT_MAP_LAST_BYTE:

		if (em->block_start == EXTENT_MAP_LAST_BYTE) {

			end = 1;

			flags |= FIEMAP_EXTENT_LAST;

			break;

		case EXTENT_MAP_HOLE:

		} else if (em->block_start == EXTENT_MAP_HOLE) {

			flags |= FIEMAP_EXTENT_UNWRITTEN;

			break;

		case EXTENT_MAP_INLINE:

		} else if (em->block_start == EXTENT_MAP_INLINE) {

			flags |= (FIEMAP_EXTENT_DATA_INLINE |

				  FIEMAP_EXTENT_NOT_ALIGNED);

			break;

		case EXTENT_MAP_DELALLOC:

		} else if (em->block_start == EXTENT_MAP_DELALLOC) {

			flags |= (FIEMAP_EXTENT_DELALLOC |

				  FIEMAP_EXTENT_UNKNOWN);

			break;

		default:

		} else {

			disko = em->block_start;

			break;

		}

		if (test_bit(EXTENT_FLAG_COMPRESSED, &em->flags))

			flags |= FIEMAP_EXTENT_ENCODED;