From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/include/uapi/linux/btrfs.h | 78 +++++++++++++++++++++++++++++++-------
1 files changed, 63 insertions(+), 15 deletions(-)
diff --git a/kernel/include/uapi/linux/btrfs.h b/kernel/include/uapi/linux/btrfs.h
index 5ca1d21..e65300d 100644
--- a/kernel/include/uapi/linux/btrfs.h
+++ b/kernel/include/uapi/linux/btrfs.h
@@ -36,17 +36,22 @@
#define BTRFS_DEVICE_PATH_NAME_MAX 1024
#define BTRFS_SUBVOL_NAME_MAX 4039
-#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
+#ifndef __KERNEL__
+/* Deprecated since 5.7 */
+# define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
+#endif
#define BTRFS_SUBVOL_RDONLY (1ULL << 1)
#define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2)
#define BTRFS_DEVICE_SPEC_BY_ID (1ULL << 3)
+#define BTRFS_SUBVOL_SPEC_BY_ID (1ULL << 4)
+
#define BTRFS_VOL_ARG_V2_FLAGS_SUPPORTED \
- (BTRFS_SUBVOL_CREATE_ASYNC | \
- BTRFS_SUBVOL_RDONLY | \
+ (BTRFS_SUBVOL_RDONLY | \
BTRFS_SUBVOL_QGROUP_INHERIT | \
- BTRFS_DEVICE_SPEC_BY_ID)
+ BTRFS_DEVICE_SPEC_BY_ID | \
+ BTRFS_SUBVOL_SPEC_BY_ID)
#define BTRFS_FSID_SIZE 16
#define BTRFS_UUID_SIZE 16
@@ -97,15 +102,28 @@
};
/*
- * flags for subvolumes
+ * Arguments for specification of subvolumes or devices, supporting by-name or
+ * by-id and flags
*
- * Used by:
- * struct btrfs_ioctl_vol_args_v2.flags
+ * The set of supported flags depends on the ioctl
*
* BTRFS_SUBVOL_RDONLY is also provided/consumed by the following ioctls:
* - BTRFS_IOC_SUBVOL_GETFLAGS
* - BTRFS_IOC_SUBVOL_SETFLAGS
*/
+
+/* Supported flags for BTRFS_IOC_RM_DEV_V2 */
+#define BTRFS_DEVICE_REMOVE_ARGS_MASK \
+ (BTRFS_DEVICE_SPEC_BY_ID)
+
+/* Supported flags for BTRFS_IOC_SNAP_CREATE_V2 and BTRFS_IOC_SUBVOL_CREATE_V2 */
+#define BTRFS_SUBVOL_CREATE_ARGS_MASK \
+ (BTRFS_SUBVOL_RDONLY | \
+ BTRFS_SUBVOL_QGROUP_INHERIT)
+
+/* Supported flags for BTRFS_IOC_SNAP_DESTROY_V2 */
+#define BTRFS_SUBVOL_DELETE_ARGS_MASK \
+ (BTRFS_SUBVOL_SPEC_BY_ID)
struct btrfs_ioctl_vol_args_v2 {
__s64 fd;
@@ -121,6 +139,7 @@
union {
char name[BTRFS_SUBVOL_NAME_MAX + 1];
__u64 devid;
+ __u64 subvolid;
};
};
@@ -162,6 +181,7 @@
};
#define BTRFS_SCRUB_READONLY 1
+#define BTRFS_SCRUB_SUPPORTED_FLAGS (BTRFS_SCRUB_READONLY)
struct btrfs_ioctl_scrub_args {
__u64 devid; /* in */
__u64 start; /* in */
@@ -224,6 +244,18 @@
__u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
};
+/*
+ * Retrieve information about the filesystem
+ */
+
+/* Request information about checksum type and size */
+#define BTRFS_FS_INFO_FLAG_CSUM_INFO (1 << 0)
+
+/* Request information about filesystem generation */
+#define BTRFS_FS_INFO_FLAG_GENERATION (1 << 1)
+/* Request information about filesystem metadata UUID */
+#define BTRFS_FS_INFO_FLAG_METADATA_UUID (1 << 2)
+
struct btrfs_ioctl_fs_info_args {
__u64 max_id; /* out */
__u64 num_devices; /* out */
@@ -231,8 +263,13 @@
__u32 nodesize; /* out */
__u32 sectorsize; /* out */
__u32 clone_alignment; /* out */
- __u32 reserved32;
- __u64 reserved[122]; /* pad to 1k */
+ /* See BTRFS_FS_INFO_FLAG_* */
+ __u16 csum_type; /* out */
+ __u16 csum_size; /* out */
+ __u64 flags; /* in/out */
+ __u64 generation; /* out */
+ __u8 metadata_uuid[BTRFS_FSID_SIZE]; /* out */
+ __u8 reserved[944]; /* pad to 1k */
};
/*
@@ -269,6 +306,8 @@
#define BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7)
#define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8)
#define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9)
+#define BTRFS_FEATURE_INCOMPAT_METADATA_UUID (1ULL << 10)
+#define BTRFS_FEATURE_INCOMPAT_RAID1C34 (1ULL << 11)
struct btrfs_ioctl_feature_flags {
__u64 compat_flags;
@@ -664,7 +703,12 @@
/* out values: */
__u64 values[BTRFS_DEV_STAT_VALUES_MAX];
- __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */
+ /*
+ * This pads the struct to 1032 bytes. It was originally meant to pad to
+ * 1024 bytes, but when adding the flags field, the padding calculation
+ * was not adjusted.
+ */
+ __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX];
};
#define BTRFS_QUOTA_CTL_ENABLE 1
@@ -825,7 +869,9 @@
BTRFS_ERROR_DEV_TGT_REPLACE,
BTRFS_ERROR_DEV_MISSING_NOT_FOUND,
BTRFS_ERROR_DEV_ONLY_WRITABLE,
- BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS
+ BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS,
+ BTRFS_ERROR_DEV_RAID1C3_MIN_NOT_MET,
+ BTRFS_ERROR_DEV_RAID1C4_MIN_NOT_MET,
};
#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
@@ -835,6 +881,8 @@
#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
+ struct btrfs_ioctl_vol_args)
+#define BTRFS_IOC_FORGET_DEV _IOW(BTRFS_IOCTL_MAGIC, 5, \
struct btrfs_ioctl_vol_args)
/* trans start and trans end are dangerous, and only for
* use by applications that know how to avoid the
@@ -914,10 +962,8 @@
#define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \
struct btrfs_ioctl_quota_rescan_args)
#define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
-#define BTRFS_IOC_GET_FSLABEL _IOR(BTRFS_IOCTL_MAGIC, 49, \
- char[BTRFS_LABEL_SIZE])
-#define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, \
- char[BTRFS_LABEL_SIZE])
+#define BTRFS_IOC_GET_FSLABEL FS_IOC_GETFSLABEL
+#define BTRFS_IOC_SET_FSLABEL FS_IOC_SETFSLABEL
#define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \
struct btrfs_ioctl_get_dev_stats)
#define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \
@@ -940,5 +986,7 @@
struct btrfs_ioctl_get_subvol_rootref_args)
#define BTRFS_IOC_INO_LOOKUP_USER _IOWR(BTRFS_IOCTL_MAGIC, 62, \
struct btrfs_ioctl_ino_lookup_user_args)
+#define BTRFS_IOC_SNAP_DESTROY_V2 _IOW(BTRFS_IOCTL_MAGIC, 63, \
+ struct btrfs_ioctl_vol_args_v2)
#endif /* _UAPI_LINUX_BTRFS_H */
--
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