mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2025-01-07 21:53:44 +00:00
bcachefs: Convert to __packed and __aligned
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet
parent
e5baf3dad9
commit
fd0c767966
@ -151,7 +151,7 @@ struct bpos {
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#else
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#error edit for your odd byteorder.
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#endif
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} __attribute__((packed, aligned(4)));
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} __packed __aligned(4);
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#define KEY_INODE_MAX ((__u64)~0ULL)
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#define KEY_OFFSET_MAX ((__u64)~0ULL)
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@ -185,7 +185,7 @@ struct bversion {
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__u32 hi;
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__u64 lo;
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#endif
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} __attribute__((packed, aligned(4)));
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} __packed __aligned(4);
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struct bkey {
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/* Size of combined key and value, in u64s */
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@ -218,7 +218,7 @@ struct bkey {
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__u8 pad[1];
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#endif
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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struct bkey_packed {
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__u64 _data[0];
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@ -252,7 +252,7 @@ struct bkey_packed {
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* to the same size as struct bkey should hopefully be safest.
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*/
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__u8 pad[sizeof(struct bkey) - 3];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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#define BKEY_U64s (sizeof(struct bkey) / sizeof(__u64))
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#define BKEY_U64s_MAX U8_MAX
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@ -480,7 +480,7 @@ struct bch_set {
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struct bch_csum {
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__le64 lo;
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__le64 hi;
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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#define BCH_EXTENT_ENTRY_TYPES() \
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x(ptr, 0) \
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@ -517,7 +517,7 @@ struct bch_extent_crc32 {
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_compressed_size:7,
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type:2;
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#endif
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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#define CRC32_SIZE_MAX (1U << 7)
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#define CRC32_NONCE_MAX 0
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@ -543,7 +543,7 @@ struct bch_extent_crc64 {
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type:3;
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#endif
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__u64 csum_lo;
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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#define CRC64_SIZE_MAX (1U << 9)
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#define CRC64_NONCE_MAX ((1U << 10) - 1)
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@ -567,7 +567,7 @@ struct bch_extent_crc128 {
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type:4;
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#endif
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struct bch_csum csum;
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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#define CRC128_SIZE_MAX (1U << 13)
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#define CRC128_NONCE_MAX ((1U << 13) - 1)
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@ -593,7 +593,7 @@ struct bch_extent_ptr {
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cached:1,
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type:1;
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#endif
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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struct bch_extent_stripe_ptr {
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#if defined(__LITTLE_ENDIAN_BITFIELD)
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@ -645,7 +645,7 @@ struct bch_btree_ptr {
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__u64 _data[0];
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struct bch_extent_ptr start[];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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struct bch_btree_ptr_v2 {
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struct bch_val v;
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@ -657,7 +657,7 @@ struct bch_btree_ptr_v2 {
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struct bpos min_key;
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__u64 _data[0];
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struct bch_extent_ptr start[];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1);
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@ -666,7 +666,7 @@ struct bch_extent {
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__u64 _data[0];
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union bch_extent_entry start[];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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struct bch_reservation {
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struct bch_val v;
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@ -674,7 +674,7 @@ struct bch_reservation {
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__le32 generation;
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__u8 nr_replicas;
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__u8 pad[3];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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/* Maximum size (in u64s) a single pointer could be: */
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#define BKEY_EXTENT_PTR_U64s_MAX\
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@ -708,7 +708,7 @@ struct bch_inode {
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__le32 bi_flags;
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__le16 bi_mode;
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__u8 fields[0];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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struct bch_inode_v2 {
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struct bch_val v;
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@ -718,14 +718,14 @@ struct bch_inode_v2 {
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__le64 bi_flags;
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__le16 bi_mode;
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__u8 fields[0];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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struct bch_inode_generation {
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struct bch_val v;
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__le32 bi_generation;
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__le32 pad;
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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/*
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* bi_subvol and bi_parent_subvol are only set for subvolume roots:
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@ -846,7 +846,7 @@ struct bch_dirent {
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__u8 d_type;
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__u8 d_name[];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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#define DT_SUBVOL 16
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#define BCH_DT_MAX 17
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@ -869,7 +869,7 @@ struct bch_xattr {
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__u8 x_name_len;
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__le16 x_val_len;
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__u8 x_name[];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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/* Bucket/allocation information: */
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@ -878,7 +878,7 @@ struct bch_alloc {
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__u8 fields;
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__u8 gen;
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__u8 data[];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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#define BCH_ALLOC_FIELDS_V1() \
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x(read_time, 16) \
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@ -897,7 +897,7 @@ struct bch_alloc_v2 {
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__u8 oldest_gen;
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__u8 data_type;
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__u8 data[];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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#define BCH_ALLOC_FIELDS_V2() \
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x(read_time, 64) \
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@ -916,7 +916,7 @@ struct bch_alloc_v3 {
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__u8 oldest_gen;
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__u8 data_type;
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__u8 data[];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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struct bch_alloc_v4 {
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struct bch_val v;
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@ -932,7 +932,7 @@ struct bch_alloc_v4 {
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__u32 stripe;
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__u32 nr_external_backpointers;
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struct bpos backpointers[0];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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LE32_BITMASK(BCH_ALLOC_V3_NEED_DISCARD,struct bch_alloc_v3, flags, 0, 1)
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LE32_BITMASK(BCH_ALLOC_V3_NEED_INC_GEN,struct bch_alloc_v3, flags, 1, 2)
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@ -971,7 +971,7 @@ struct bch_quota_counter {
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struct bch_quota {
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struct bch_val v;
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struct bch_quota_counter c[Q_COUNTERS];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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/* Erasure coding */
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@ -987,7 +987,7 @@ struct bch_stripe {
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__u8 pad;
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struct bch_extent_ptr ptrs[];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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/* Reflink: */
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@ -1004,14 +1004,14 @@ struct bch_reflink_p {
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*/
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__le32 front_pad;
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__le32 back_pad;
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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struct bch_reflink_v {
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struct bch_val v;
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__le64 refcount;
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union bch_extent_entry start[0];
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__u64 _data[0];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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struct bch_indirect_inline_data {
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struct bch_val v;
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@ -1068,7 +1068,7 @@ LE32_BITMASK(BCH_SNAPSHOT_SUBVOL, struct bch_snapshot, flags, 1, 2)
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struct bch_lru {
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struct bch_val v;
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__le64 idx;
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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#define LRU_ID_STRIPES (1U << 16)
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@ -1267,19 +1267,19 @@ struct bch_replicas_entry_v0 {
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__u8 data_type;
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__u8 nr_devs;
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__u8 devs[];
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} __attribute__((packed));
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} __packed;
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struct bch_sb_field_replicas_v0 {
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struct bch_sb_field field;
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struct bch_replicas_entry_v0 entries[];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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struct bch_replicas_entry {
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__u8 data_type;
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__u8 nr_devs;
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__u8 nr_required;
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__u8 devs[];
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} __attribute__((packed));
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} __packed;
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#define replicas_entry_bytes(_i) \
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(offsetof(typeof(*(_i)), devs) + (_i)->nr_devs)
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@ -1287,7 +1287,7 @@ struct bch_replicas_entry {
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struct bch_sb_field_replicas {
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struct bch_sb_field field;
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struct bch_replicas_entry entries[];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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/* BCH_SB_FIELD_quota: */
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@ -1304,7 +1304,7 @@ struct bch_sb_quota_type {
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struct bch_sb_field_quota {
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struct bch_sb_field field;
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struct bch_sb_quota_type q[QTYP_NR];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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/* BCH_SB_FIELD_disk_groups: */
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@ -1313,7 +1313,7 @@ struct bch_sb_field_quota {
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struct bch_disk_group {
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__u8 label[BCH_SB_LABEL_SIZE];
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__le64 flags[2];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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LE64_BITMASK(BCH_GROUP_DELETED, struct bch_disk_group, flags[0], 0, 1)
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LE64_BITMASK(BCH_GROUP_DATA_ALLOWED, struct bch_disk_group, flags[0], 1, 6)
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@ -1322,7 +1322,7 @@ LE64_BITMASK(BCH_GROUP_PARENT, struct bch_disk_group, flags[0], 6, 24)
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struct bch_sb_field_disk_groups {
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struct bch_sb_field field;
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struct bch_disk_group entries[0];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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/* BCH_SB_FIELD_counters */
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@ -1504,7 +1504,7 @@ struct bch_sb_layout {
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__u8 nr_superblocks;
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__u8 pad[5];
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__le64 sb_offset[61];
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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#define BCH_SB_LAYOUT_SECTOR 7
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@ -1555,7 +1555,7 @@ struct bch_sb {
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struct bch_sb_field start[0];
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__le64 _data[0];
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};
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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/*
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* Flags:
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@ -1914,26 +1914,26 @@ enum {
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struct jset_entry_usage {
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struct jset_entry entry;
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__le64 v;
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} __attribute__((packed));
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} __packed;
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struct jset_entry_data_usage {
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struct jset_entry entry;
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__le64 v;
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struct bch_replicas_entry r;
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} __attribute__((packed));
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} __packed;
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struct jset_entry_clock {
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struct jset_entry entry;
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__u8 rw;
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__u8 pad[7];
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__le64 time;
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} __attribute__((packed));
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} __packed;
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struct jset_entry_dev_usage_type {
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__le64 buckets;
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__le64 sectors;
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__le64 fragmented;
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} __attribute__((packed));
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} __packed;
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struct jset_entry_dev_usage {
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struct jset_entry entry;
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@ -1944,7 +1944,7 @@ struct jset_entry_dev_usage {
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__le64 _buckets_unavailable; /* No longer used */
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struct jset_entry_dev_usage_type d[];
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} __attribute__((packed));
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} __packed;
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static inline unsigned jset_entry_dev_usage_nr_types(struct jset_entry_dev_usage *u)
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{
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@ -1955,7 +1955,7 @@ static inline unsigned jset_entry_dev_usage_nr_types(struct jset_entry_dev_usage
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struct jset_entry_log {
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struct jset_entry entry;
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u8 d[];
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} __attribute__((packed));
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} __packed;
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/*
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* On disk format for a journal entry:
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@ -1990,7 +1990,7 @@ struct jset {
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struct jset_entry start[0];
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__u64 _data[0];
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};
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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LE32_BITMASK(JSET_CSUM_TYPE, struct jset, flags, 0, 4);
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LE32_BITMASK(JSET_BIG_ENDIAN, struct jset, flags, 4, 5);
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@ -2052,7 +2052,7 @@ struct bset {
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struct bkey_packed start[0];
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__u64 _data[0];
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};
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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LE32_BITMASK(BSET_CSUM_TYPE, struct bset, flags, 0, 4);
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@ -2085,7 +2085,7 @@ struct btree_node {
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};
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};
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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LE64_BITMASK(BTREE_NODE_ID, struct btree_node, flags, 0, 4);
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LE64_BITMASK(BTREE_NODE_LEVEL, struct btree_node, flags, 4, 8);
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@ -2106,6 +2106,6 @@ struct btree_node_entry {
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};
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};
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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#endif /* _BCACHEFS_FORMAT_H */
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@ -208,7 +208,7 @@ struct bch_ioctl_data {
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__u64 pad[8];
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};
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};
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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enum bch_data_event {
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BCH_DATA_EVENT_PROGRESS = 0,
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@ -224,7 +224,7 @@ struct bch_ioctl_data_progress {
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__u64 sectors_done;
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__u64 sectors_total;
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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struct bch_ioctl_data_event {
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__u8 type;
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@ -233,12 +233,12 @@ struct bch_ioctl_data_event {
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struct bch_ioctl_data_progress p;
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__u64 pad2[15];
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};
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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struct bch_replicas_usage {
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__u64 sectors;
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struct bch_replicas_entry r;
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} __attribute__((packed));
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} __packed;
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static inline struct bch_replicas_usage *
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replicas_usage_next(struct bch_replicas_usage *u)
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@ -313,7 +313,7 @@ struct btree_key_cache {
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struct bkey_cached_key {
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u32 btree_id;
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struct bpos pos;
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} __attribute__((packed, aligned(4)));
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} __packed __aligned(4);
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#define BKEY_CACHED_ACCESSED 0
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#define BKEY_CACHED_DIRTY 1
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@ -66,7 +66,7 @@ struct bkey_inode_buf {
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#define x(_name, _bits) + 8 + _bits / 8
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u8 _pad[0 + BCH_INODE_FIELDS()];
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#undef x
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} __attribute__((packed, aligned(8)));
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} __packed __aligned(8);
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void bch2_inode_pack(struct bch_fs *, struct bkey_inode_buf *,
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const struct bch_inode_unpacked *);
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