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authorJan Schmidt <list.btrfs@jan-o-sch.net>2011-07-18 14:37:22 +0200
committerChris Mason <chris.mason@oracle.com>2011-10-25 09:18:59 -0400
commiteecfba1d345a5107cfd6efad0898a3f741a11e5a (patch)
tree47beafd7dbc443771adb96e416a426f806fc5dc4 /ioctl.h
parent19011f9ab6f9f9d05bde16761cd5613e1f815525 (diff)
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btrfs-progs: scrub ioctls
- scrub structs added - ioctls for scrub - BTRFS_FSID_SIZE moved Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net> Signed-off-by: Hugo Mills <hugo@carfax.org.uk>
Diffstat (limited to 'ioctl.h')
-rw-r--r--ioctl.h58
1 files changed, 57 insertions, 1 deletions
diff --git a/ioctl.h b/ioctl.h
index 5aa288b..a391695 100644
--- a/ioctl.h
+++ b/ioctl.h
@@ -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;
@@ -193,4 +240,13 @@ struct btrfs_ioctl_space_args {
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, \
+ struct btrfs_ioctl_fs_info_args)
#endif