@@ -24,6 +24,7 @@
#include "radix-tree.h"
#include "extent-cache.h"
#include "extent_io.h"
+#include "ioctl.h"
struct btrfs_root;
struct btrfs_trans_handle;
@@ -250,7 +251,6 @@ static inline unsigned long btrfs_chunk_item_size(int num_stripes)
sizeof(struct btrfs_stripe) * (num_stripes - 1);
}
-#define BTRFS_FSID_SIZE 16
#define BTRFS_HEADER_FLAG_WRITTEN (1ULL << 0)
#define BTRFS_HEADER_FLAG_RELOC (1ULL << 1)
#define BTRFS_SUPER_FLAG_SEEDING (1ULL << 32)
@@ -23,8 +23,9 @@
#define BTRFS_IOCTL_MAGIC 0x94
#define BTRFS_VOL_NAME_MAX 255
-#define BTRFS_PATH_NAME_MAX 4087
+/* this should be 4k */
+#define BTRFS_PATH_NAME_MAX 4087
struct btrfs_ioctl_vol_args {
__s64 fd;
char name[BTRFS_PATH_NAME_MAX + 1];
@@ -44,6 +45,52 @@ struct btrfs_ioctl_vol_args_v2 {
#define BTRFS_FSID_SIZE 16
#define BTRFS_UUID_SIZE 16
+struct btrfs_scrub_progress {
+ __u64 data_extents_scrubbed;
+ __u64 tree_extents_scrubbed;
+ __u64 data_bytes_scrubbed;
+ __u64 tree_bytes_scrubbed;
+ __u64 read_errors;
+ __u64 csum_errors;
+ __u64 verify_errors;
+ __u64 no_csum;
+ __u64 csum_discards;
+ __u64 super_errors;
+ __u64 malloc_errors;
+ __u64 uncorrectable_errors;
+ __u64 corrected_errors;
+ __u64 last_physical;
+ __u64 unverified_errors;
+};
+
+#define BTRFS_SCRUB_READONLY 1
+struct btrfs_ioctl_scrub_args {
+ __u64 devid; /* in */
+ __u64 start; /* in */
+ __u64 end; /* in */
+ __u64 flags; /* in */
+ struct btrfs_scrub_progress progress; /* out */
+ /* pad to 1k */
+ __u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8];
+};
+
+#define BTRFS_DEVICE_PATH_NAME_MAX 1024
+struct btrfs_ioctl_dev_info_args {
+ __u64 devid; /* in/out */
+ __u8 uuid[BTRFS_UUID_SIZE]; /* in/out */
+ __u64 bytes_used; /* out */
+ __u64 total_bytes; /* out */
+ __u64 unused[379]; /* pad to 4k */
+ __u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
+};
+
+struct btrfs_ioctl_fs_info_args {
+ __u64 max_id; /* out */
+ __u64 num_devices; /* out */
+ __u8 fsid[BTRFS_FSID_SIZE]; /* out */
+ __u64 reserved[124]; /* pad to 1k */
+};
+
struct btrfs_ioctl_search_key {
/* which root are we searching. 0 is the tree of tree roots */
__u64 tree_id;
@@ -234,6 +281,11 @@ struct btrfs_ioctl_balance_start {
struct btrfs_ioctl_space_args)
#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
struct btrfs_ioctl_vol_args_v2)
+#define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \
+ struct btrfs_ioctl_scrub_args)
+#define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28)
+#define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \
+ struct btrfs_ioctl_scrub_args)
#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
struct btrfs_ioctl_dev_info_args)
#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
- scrub structs added - ioctls for scrub - BTRFS_FSID_SIZE moved Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net> --- ctree.h | 2 +- ioctl.h | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 54 insertions(+), 2 deletions(-)