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firmware/br-ext-chip-allwinner/board/v83x/kernel/patches/00000-include_linux_f2fs_fs...

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diff -drupN a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
--- a/include/linux/f2fs_fs.h 2018-08-06 17:23:04.000000000 +0300
+++ b/include/linux/f2fs_fs.h 2022-06-12 05:28:14.000000000 +0300
@@ -21,6 +21,7 @@
#define F2FS_BLKSIZE 4096 /* support only 4KB block */
#define F2FS_BLKSIZE_BITS 12 /* bits for F2FS_BLKSIZE */
#define F2FS_MAX_EXTENSION 64 /* # of extension entries */
+#define F2FS_EXTENSION_LEN 8 /* max size of extension */
#define F2FS_BLK_ALIGN(x) (((x) + F2FS_BLKSIZE - 1) >> F2FS_BLKSIZE_BITS)
#define NULL_ADDR ((block_t)0) /* used as block_t addresses */
@@ -32,13 +33,20 @@
/* 0, 1(node nid), 2(meta nid) are reserved node id */
#define F2FS_RESERVED_NODE_NUM 3
-#define F2FS_ROOT_INO(sbi) (sbi->root_ino_num)
-#define F2FS_NODE_INO(sbi) (sbi->node_ino_num)
-#define F2FS_META_INO(sbi) (sbi->meta_ino_num)
+#define F2FS_ROOT_INO(sbi) ((sbi)->root_ino_num)
+#define F2FS_NODE_INO(sbi) ((sbi)->node_ino_num)
+#define F2FS_META_INO(sbi) ((sbi)->meta_ino_num)
+
+#define F2FS_MAX_QUOTAS 3
+
+#define F2FS_IO_SIZE(sbi) (1 << F2FS_OPTION(sbi).write_io_size_bits) /* Blocks */
+#define F2FS_IO_SIZE_KB(sbi) (1 << (F2FS_OPTION(sbi).write_io_size_bits + 2)) /* KB */
+#define F2FS_IO_SIZE_BYTES(sbi) (1 << (F2FS_OPTION(sbi).write_io_size_bits + 12)) /* B */
+#define F2FS_IO_SIZE_BITS(sbi) (F2FS_OPTION(sbi).write_io_size_bits) /* power of 2 */
+#define F2FS_IO_SIZE_MASK(sbi) (F2FS_IO_SIZE(sbi) - 1)
/* This flag is used by node and meta inodes, and by recovery */
#define GFP_F2FS_ZERO (GFP_NOFS | __GFP_ZERO)
-#define GFP_F2FS_HIGH_ZERO (GFP_NOFS | __GFP_ZERO | __GFP_HIGHMEM)
/*
* For further optimization on multi-head logs, on-disk layout supports maximum
@@ -52,10 +60,17 @@
#define VERSION_LEN 256
#define MAX_VOLUME_NAME 512
+#define MAX_PATH_LEN 64
+#define MAX_DEVICES 8
/*
* For superblock
*/
+struct f2fs_device {
+ __u8 path[MAX_PATH_LEN];
+ __le32 total_segments;
+} __packed;
+
struct f2fs_super_block {
__le32 magic; /* Magic Number */
__le16 major_ver; /* Major Version */
@@ -87,19 +102,26 @@ struct f2fs_super_block {
__u8 uuid[16]; /* 128-bit uuid for volume */
__le16 volume_name[MAX_VOLUME_NAME]; /* volume name */
__le32 extension_count; /* # of extensions below */
- __u8 extension_list[F2FS_MAX_EXTENSION][8]; /* extension array */
+ __u8 extension_list[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];/* extension array */
__le32 cp_payload;
__u8 version[VERSION_LEN]; /* the kernel version */
__u8 init_version[VERSION_LEN]; /* the initial kernel version */
__le32 feature; /* defined features */
__u8 encryption_level; /* versioning level for encryption */
__u8 encrypt_pw_salt[16]; /* Salt used for string2key algorithm */
- __u8 reserved[871]; /* valid reserved region */
+ struct f2fs_device devs[MAX_DEVICES]; /* device list */
+ __le32 qf_ino[F2FS_MAX_QUOTAS]; /* quota inode numbers */
+ __u8 hot_ext_count; /* # of hot file extension */
+ __u8 reserved[314]; /* valid reserved region */
} __packed;
/*
* For checkpoint
*/
+#define CP_LARGE_NAT_BITMAP_FLAG 0x00000400
+#define CP_NOCRC_RECOVERY_FLAG 0x00000200
+#define CP_TRIMMED_FLAG 0x00000100
+#define CP_NAT_BITS_FLAG 0x00000080
#define CP_CRC_RECOVERY_FLAG 0x00000040
#define CP_FASTBOOT_FLAG 0x00000020
#define CP_FSCK_FLAG 0x00000010
@@ -146,7 +168,7 @@ struct f2fs_checkpoint {
*/
#define F2FS_ORPHANS_PER_BLOCK 1020
-#define GET_ORPHAN_BLOCKS(n) ((n + F2FS_ORPHANS_PER_BLOCK - 1) / \
+#define GET_ORPHAN_BLOCKS(n) (((n) + F2FS_ORPHANS_PER_BLOCK - 1) / \
F2FS_ORPHANS_PER_BLOCK)
struct f2fs_orphan_block {
@@ -168,8 +190,11 @@ struct f2fs_extent {
} __packed;
#define F2FS_NAME_LEN 255
-#define F2FS_INLINE_XATTR_ADDRS 50 /* 200 bytes for inline xattrs */
+/* 200 bytes for inline xattrs by default */
+#define DEFAULT_INLINE_XATTR_ADDRS 50
#define DEF_ADDRS_PER_INODE 923 /* Address Pointers in an Inode */
+#define CUR_ADDRS_PER_INODE(inode) (DEF_ADDRS_PER_INODE - \
+ get_extra_isize(inode))
#define DEF_NIDS_PER_INODE 5 /* Node IDs in an Inode */
#define ADDRS_PER_INODE(inode) addrs_per_inode(inode)
#define ADDRS_PER_BLOCK 1018 /* Address Pointers in a Direct Block */
@@ -189,9 +214,8 @@ struct f2fs_extent {
#define F2FS_INLINE_DENTRY 0x04 /* file inline dentry flag */
#define F2FS_DATA_EXIST 0x08 /* file inline data exist flag */
#define F2FS_INLINE_DOTS 0x10 /* file having implicit dot dentries */
-
-#define MAX_INLINE_DATA (sizeof(__le32) * (DEF_ADDRS_PER_INODE - \
- F2FS_INLINE_XATTR_ADDRS - 1))
+#define F2FS_EXTRA_ATTR 0x20 /* file having extra attribute */
+#define F2FS_PIN_FILE 0x40 /* file should not be gced */
struct f2fs_inode {
__le16 i_mode; /* file mode */
@@ -209,7 +233,13 @@ struct f2fs_inode {
__le32 i_ctime_nsec; /* change time in nano scale */
__le32 i_mtime_nsec; /* modification time in nano scale */
__le32 i_generation; /* file version (for NFS) */
- __le32 i_current_depth; /* only for directory depth */
+ union {
+ __le32 i_current_depth; /* only for directory depth */
+ __le16 i_gc_failures; /*
+ * # of gc failures on pinned file.
+ * only for regular files.
+ */
+ };
__le32 i_xattr_nid; /* nid to save xattr */
__le32 i_flags; /* file attributes */
__le32 i_pino; /* parent inode number */
@@ -219,8 +249,18 @@ struct f2fs_inode {
struct f2fs_extent i_ext; /* caching a largest extent */
- __le32 i_addr[DEF_ADDRS_PER_INODE]; /* Pointers to data blocks */
-
+ union {
+ struct {
+ __le16 i_extra_isize; /* extra inode attribute size */
+ __le16 i_inline_xattr_size; /* inline xattr size, unit: 4 bytes */
+ __le32 i_projid; /* project id */
+ __le32 i_inode_checksum;/* inode meta checksum */
+ __le64 i_crtime; /* creation time */
+ __le32 i_crtime_nsec; /* creation time in nano scale */
+ __le32 i_extra_end[0]; /* for attribute size calculation */
+ } __packed;
+ __le32 i_addr[DEF_ADDRS_PER_INODE]; /* Pointers to data blocks */
+ };
__le32 i_nid[DEF_NIDS_PER_INODE]; /* direct(2), indirect(2),
double_indirect(1) node id */
} __packed;
@@ -264,6 +304,11 @@ struct f2fs_node {
* For NAT entries
*/
#define NAT_ENTRY_PER_BLOCK (PAGE_SIZE / sizeof(struct f2fs_nat_entry))
+#define NAT_ENTRY_BITMAP_SIZE ((NAT_ENTRY_PER_BLOCK + 7) / 8)
+#define NAT_ENTRY_BITMAP_SIZE_ALIGNED \
+ ((NAT_ENTRY_BITMAP_SIZE + BITS_PER_LONG - 1) / \
+ BITS_PER_LONG * BITS_PER_LONG)
+
struct f2fs_nat_entry {
__u8 version; /* latest version of cached nat entry */
@@ -439,7 +484,7 @@ typedef __le32 f2fs_hash_t;
#define F2FS_SLOT_LEN 8
#define F2FS_SLOT_LEN_BITS 3
-#define GET_DENTRY_SLOTS(x) ((x + F2FS_SLOT_LEN - 1) >> F2FS_SLOT_LEN_BITS)
+#define GET_DENTRY_SLOTS(x) (((x) + F2FS_SLOT_LEN - 1) >> F2FS_SLOT_LEN_BITS)
/* MAX level for dir lookup */
#define MAX_DIR_HASH_DEPTH 63
@@ -448,7 +493,7 @@ typedef __le32 f2fs_hash_t;
#define MAX_DIR_BUCKETS (1 << ((MAX_DIR_HASH_DEPTH / 2) - 1))
/*
- * space utilization of regular dentry and inline dentry
+ * space utilization of regular dentry and inline dentry (w/o extra reservation)
* regular dentry inline dentry
* bitmap 1 * 27 = 27 1 * 23 = 23
* reserved 1 * 3 = 3 1 * 7 = 7
@@ -484,24 +529,6 @@ struct f2fs_dentry_block {
__u8 filename[NR_DENTRY_IN_BLOCK][F2FS_SLOT_LEN];
} __packed;
-/* for inline dir */
-#define NR_INLINE_DENTRY (MAX_INLINE_DATA * BITS_PER_BYTE / \
- ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
- BITS_PER_BYTE + 1))
-#define INLINE_DENTRY_BITMAP_SIZE ((NR_INLINE_DENTRY + \
- BITS_PER_BYTE - 1) / BITS_PER_BYTE)
-#define INLINE_RESERVED_SIZE (MAX_INLINE_DATA - \
- ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
- NR_INLINE_DENTRY + INLINE_DENTRY_BITMAP_SIZE))
-
-/* inline directory entry structure */
-struct f2fs_inline_dentry {
- __u8 dentry_bitmap[INLINE_DENTRY_BITMAP_SIZE];
- __u8 reserved[INLINE_RESERVED_SIZE];
- struct f2fs_dir_entry dentry[NR_INLINE_DENTRY];
- __u8 filename[NR_INLINE_DENTRY][F2FS_SLOT_LEN];
-} __packed;
-
/* file types used in inode_info->flags */
enum {
F2FS_FT_UNKNOWN,
@@ -517,4 +544,6 @@ enum {
#define S_SHIFT 12
+#define F2FS_DEF_PROJID 0 /* default project ID */
+
#endif /* _LINUX_F2FS_FS_H */
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