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Commit 6ea4558f authored by Salah Triki's avatar Salah Triki Committed by Luis de Bethencourt
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befs: add flags field to validate superblock state 



For validating superblock state, add flags field to befs_sb_info, read the state from the disk
and check if it is equal to BEFS_DIRTY.

Signed-off-by: default avatarSalah Triki <salah.triki@gmail.com>
Signed-off-by: default avatarLuis de Bethencourt <luisbg@osg.samsung.com>
parent bb75e666

fs/befs/befs.h

+3 −0
Original line number Diff line number Diff line
@@ -43,6 +43,9 @@ struct befs_sb_info { 
	u32 ag_shift;

	u32 num_ags;



	/* State of the superblock */

	u32 flags;



	/* jornal log entry */

	befs_block_run log_blocks;

	befs_off_t log_start;

fs/befs/super.c

+3 −1
Original line number Diff line number Diff line
@@ -45,6 +45,8 @@ befs_load_sb(struct super_block *sb, befs_super_block * disk_sb) 
	befs_sb->ag_shift = fs32_to_cpu(sb, disk_sb->ag_shift);

	befs_sb->num_ags = fs32_to_cpu(sb, disk_sb->num_ags);



	befs_sb->flags = fs32_to_cpu(sb, disk_sb->flags);



	befs_sb->log_blocks = fsrun_to_cpu(sb, disk_sb->log_blocks);

	befs_sb->log_start = fs64_to_cpu(sb, disk_sb->log_start);

	befs_sb->log_end = fs64_to_cpu(sb, disk_sb->log_end);
@@ -101,7 +103,7 @@ befs_check_sb(struct super_block *sb) 
		return BEFS_ERR;

	}



	if (befs_sb->log_start != befs_sb->log_end) {

	if (befs_sb->log_start != befs_sb->log_end || befs_sb->flags == BEFS_DIRTY) {

		befs_error(sb, "Filesystem not clean! There are blocks in the "

			   "journal. You must boot into BeOS and mount this volume "

			   "to make it clean.");