atomic_t read_errors; /* number of consecutive read errors that
* we have tried to ignore.
*/
+ struct timespec last_read_error; /* monotonic time since our
+ * last read error
+ */
atomic_t corrected_errors; /* number of corrected read errors,
* for reporting to userspace and storing
* in superblock.
unsigned int max_write_behind; /* 0 = sync */
struct bitmap *bitmap; /* the bitmap for the device */
- struct file *bitmap_file; /* the bitmap file */
- long bitmap_offset; /* offset from superblock of
- * start of bitmap. May be
- * negative, but not '0'
- */
- long default_bitmap_offset; /* this is the offset to use when
- * hot-adding a bitmap. It should
- * eventually be settable by sysfs.
- */
- struct mutex bitmap_mutex;
-
+ struct {
+ struct file *file; /* the bitmap file */
+ loff_t offset; /* offset from superblock of
+ * start of bitmap. May be
+ * negative, but not '0'
+ * For external metadata, offset
+ * from start of device.
+ */
+ loff_t default_offset; /* this is the offset to use when
+ * hot-adding a bitmap. It should
+ * eventually be settable by sysfs.
+ */
+ struct mutex mutex;
+ unsigned long chunksize;
+ unsigned long daemon_sleep; /* how many seconds between updates? */
+ unsigned long max_write_behind; /* write-behind mode */
+ int external;
+ } bitmap_info;
+
+ atomic_t max_corr_read_errors; /* max read retries */
struct list_head all_mddevs;
/* Generic barrier handling.
ssize_t (*show)(mddev_t *, char *);
ssize_t (*store)(mddev_t *, const char *, size_t);
};
-
+extern struct attribute_group md_bitmap_group;
static inline char * mdname (mddev_t * mddev)
{
extern void md_set_array_sectors(mddev_t *mddev, sector_t array_sectors);
extern int md_check_no_bitmap(mddev_t *mddev);
extern int md_integrity_register(mddev_t *mddev);
-void md_integrity_add_rdev(mdk_rdev_t *rdev, mddev_t *mddev);
+extern void md_integrity_add_rdev(mdk_rdev_t *rdev, mddev_t *mddev);
+extern int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale);
+extern void restore_bitmap_write_access(struct file *file);
#endif /* _MD_MD_H */