Support BtrFS embedding.

* grub-core/fs/btrfs.c (grub_btrfs_embed) [GRUB_UTIL]: New function.
	(grub_btrfs_fs) [GRUB_UTIL]: Set embed.
	* include/grub/fs.h (grub_fs) [GRUB_UTIL]: New field embed.
	* util/grub-setup.c (setup): Use fs embedding if available.
	Add additional sanity check.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-11-05 14:47:25 +01:00
parent 455377d93d
commit c7ba4f6984
4 changed files with 74 additions and 7 deletions

View file

@ -25,6 +25,10 @@
#include <grub/types.h>
#include <grub/list.h>
/* For embedding types. */
#ifdef GRUB_UTIL
#include <grub/partition.h>
#endif
/* Forward declaration is required, because of mutual reference. */
struct grub_file;
@ -74,6 +78,11 @@ struct grub_fs
grub_err_t (*mtime) (grub_device_t device, grub_int32_t *timebuf);
#ifdef GRUB_UTIL
/* Determine sectors available for embedding. */
grub_err_t (*embed) (grub_device_t device, unsigned int *nsectors,
grub_embed_type_t embed_type,
grub_disk_addr_t **sectors);
/* Whether this filesystem reserves first sector for DOS-style boot. */
int reserved_first_sector;
#endif