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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-10 12:04:41 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-10 12:04:41 +0100 |
| commit | b17304245f0db0ac69b795c411407808f3f2796d (patch) | |
| tree | 63ed3915d9295bd08f640bf25c322064ba787fad /init/do_mounts_rd.c | |
| parent | bzip2/lzma: centralize format detection (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-async-2 (diff) | |
| download | linux-b17304245f0db0ac69b795c411407808f3f2796d.tar.xz linux-b17304245f0db0ac69b795c411407808f3f2796d.zip | |
Merge branch 'linus' into x86/setup-lzma
Conflicts:
init/do_mounts_rd.c
Diffstat (limited to 'init/do_mounts_rd.c')
| -rw-r--r-- | init/do_mounts_rd.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c index a06ed4f92e0e..a015e267fd17 100644 --- a/init/do_mounts_rd.c +++ b/init/do_mounts_rd.c @@ -9,6 +9,7 @@ #include <linux/string.h> #include "do_mounts.h" +#include "../fs/squashfs/squashfs_fs.h" #include <linux/decompress/generic.h> @@ -44,6 +45,7 @@ static int __init crd_load(int in_fd, int out_fd, decompress_fn deco); * ext2 * romfs * cramfs + * squashfs * gzip */ static int __init @@ -54,6 +56,7 @@ identify_ramdisk_image(int fd, int start_block, decompress_fn *decompressor) struct ext2_super_block *ext2sb; struct romfs_super_block *romfsb; struct cramfs_super *cramfsb; + struct squashfs_super_block *squashfsb; int nblocks = -1; unsigned char *buf; const char *compress_name; @@ -66,6 +69,7 @@ identify_ramdisk_image(int fd, int start_block, decompress_fn *decompressor) ext2sb = (struct ext2_super_block *) buf; romfsb = (struct romfs_super_block *) buf; cramfsb = (struct cramfs_super *) buf; + squashfsb = (struct squashfs_super_block *) buf; memset(buf, 0xe5, size); /* @@ -100,6 +104,16 @@ identify_ramdisk_image(int fd, int start_block, decompress_fn *decompressor) goto done; } + /* squashfs is at block zero too */ + if (le32_to_cpu(squashfsb->s_magic) == SQUASHFS_MAGIC) { + printk(KERN_NOTICE + "RAMDISK: squashfs filesystem found at block %d\n", + start_block); + nblocks = (le64_to_cpu(squashfsb->bytes_used) + BLOCK_SIZE - 1) + >> BLOCK_SIZE_BITS; + goto done; + } + /* * Read block 1 to test for minix and ext2 superblock */ |