#define OCFS2_BLOCKCHECK_H
+/* Count errors and error correction from blockcheck.c */
+struct ocfs2_blockcheck_stats {
+ spinlock_t b_lock;
+ u64 b_check_count; /* Number of blocks we've checked */
+ u64 b_failure_count; /* Number of failed checksums */
+ u64 b_recover_count; /* Number of blocks fixed by ecc */
+
+ /*
+ * debugfs entries, used if this is passed to
+ * ocfs2_blockcheck_stats_debugfs_install()
+ */
+ struct dentry *b_debug_dir; /* Parent of the debugfs files */
+ struct dentry *b_debug_check; /* Exposes b_check_count */
+ struct dentry *b_debug_failure; /* Exposes b_failure_count */
+ struct dentry *b_debug_recover; /* Exposes b_recover_count */
+};
+
+
/* High level block API */
void ocfs2_compute_meta_ecc(struct super_block *sb, void *data,
struct ocfs2_block_check *bc);
void ocfs2_block_check_compute(void *data, size_t blocksize,
struct ocfs2_block_check *bc);
int ocfs2_block_check_validate(void *data, size_t blocksize,
- struct ocfs2_block_check *bc);
+ struct ocfs2_block_check *bc,
+ struct ocfs2_blockcheck_stats *stats);
void ocfs2_block_check_compute_bhs(struct buffer_head **bhs, int nr,
struct ocfs2_block_check *bc);
int ocfs2_block_check_validate_bhs(struct buffer_head **bhs, int nr,
- struct ocfs2_block_check *bc);
+ struct ocfs2_block_check *bc,
+ struct ocfs2_blockcheck_stats *stats);
+
+/* Debug Initialization */
+int ocfs2_blockcheck_stats_debugfs_install(struct ocfs2_blockcheck_stats *stats,
+ struct dentry *parent);
+void ocfs2_blockcheck_stats_debugfs_remove(struct ocfs2_blockcheck_stats *stats);
/*
* Hamming code functions