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-rw-r--r--fs/ext2/ext2.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 170939f379d7..3fb93681bf7f 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -367,6 +367,7 @@ struct ext2_inode {
*/
#define EXT2_VALID_FS 0x0001 /* Unmounted cleanly */
#define EXT2_ERROR_FS 0x0002 /* Errors detected */
+#define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
/*
* Mount flags
@@ -739,6 +740,8 @@ extern unsigned long ext2_bg_num_gdb(struct super_block *sb, int group);
extern ext2_fsblk_t ext2_new_block(struct inode *, unsigned long, int *);
extern ext2_fsblk_t ext2_new_blocks(struct inode *, unsigned long,
unsigned long *, int *);
+extern int ext2_data_block_valid(struct ext2_sb_info *sbi, ext2_fsblk_t start_blk,
+ unsigned int count);
extern void ext2_free_blocks (struct inode *, unsigned long,
unsigned long);
extern unsigned long ext2_count_free_blocks (struct super_block *);