From eecfba1d345a5107cfd6efad0898a3f741a11e5a Mon Sep 17 00:00:00 2001 From: Jan Schmidt Date: Mon, 18 Jul 2011 14:37:22 +0200 Subject: btrfs-progs: scrub ioctls - scrub structs added - ioctls for scrub - BTRFS_FSID_SIZE moved Signed-off-by: Jan Schmidt Signed-off-by: Hugo Mills --- ctree.h | 2 +- ioctl.h | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 58 insertions(+), 2 deletions(-) diff --git a/ctree.h b/ctree.h index 61eb6397..6e1b80b7 100644 --- a/ctree.h +++ b/ctree.h @@ -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) diff --git a/ioctl.h b/ioctl.h index 5aa288bf..a391695c 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 -- cgit v1.2.3