29b24f6ca112d drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:31 +0800 1) /* SPDX-License-Identifier: GPL-2.0-only */
29b24f6ca112d drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:31 +0800 2) /*
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 3) * Copyright (C) 2017-2018 HUAWEI, Inc.
592e7cd00bb9d fs/erofs/internal.h (Alexander A. Klimov 2020-07-13 15:09:44 +0200 4) * https://www.huawei.com/
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 5) * Created by Gao Xiang <gaoxiang25@huawei.com>
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 6) */
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 7) #ifndef __EROFS_INTERNAL_H
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 8) #define __EROFS_INTERNAL_H
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 9)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 10) #include <linux/fs.h>
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 11) #include <linux/dcache.h>
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 12) #include <linux/mm.h>
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 13) #include <linux/pagemap.h>
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 14) #include <linux/bio.h>
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 15) #include <linux/buffer_head.h>
47e4937a4a7ca fs/erofs/internal.h (Gao Xiang 2019-08-23 05:36:59 +0800 16) #include <linux/magic.h>
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 17) #include <linux/slab.h>
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 18) #include <linux/vmalloc.h>
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 19) #include "erofs_fs.h"
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 20)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 21) /* redefine pr_fmt "erofs: " */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 22) #undef pr_fmt
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 23) #define pr_fmt(fmt) "erofs: " fmt
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 24)
4f761fa253b49 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:09:09 +0800 25) __printf(3, 4) void _erofs_err(struct super_block *sb,
4f761fa253b49 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:09:09 +0800 26) const char *function, const char *fmt, ...);
4f761fa253b49 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:09:09 +0800 27) #define erofs_err(sb, fmt, ...) \
4f761fa253b49 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:09:09 +0800 28) _erofs_err(sb, __func__, fmt "\n", ##__VA_ARGS__)
4f761fa253b49 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:09:09 +0800 29) __printf(3, 4) void _erofs_info(struct super_block *sb,
4f761fa253b49 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:09:09 +0800 30) const char *function, const char *fmt, ...);
4f761fa253b49 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:09:09 +0800 31) #define erofs_info(sb, fmt, ...) \
4f761fa253b49 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:09:09 +0800 32) _erofs_info(sb, __func__, fmt "\n", ##__VA_ARGS__)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 33) #ifdef CONFIG_EROFS_FS_DEBUG
4f761fa253b49 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:09:09 +0800 34) #define erofs_dbg(x, ...) pr_debug(x "\n", ##__VA_ARGS__)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 35) #define DBG_BUGON BUG_ON
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 36) #else
4f761fa253b49 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:09:09 +0800 37) #define erofs_dbg(x, ...) ((void)0)
eef1687898665 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:15:59 +0800 38) #define DBG_BUGON(x) ((void)(x))
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 39) #endif /* !CONFIG_EROFS_FS_DEBUG */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 40)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 41) /* EROFS_SUPER_MAGIC_V1 to represent the whole file system */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 42) #define EROFS_SUPER_MAGIC EROFS_SUPER_MAGIC_V1
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 43)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 44) typedef u64 erofs_nid_t;
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 45) typedef u64 erofs_off_t;
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 46) /* data type for filesystem-wide blocks number */
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 47) typedef u32 erofs_blk_t;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 48)
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 49) struct erofs_fs_context {
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 50) #ifdef CONFIG_EROFS_FS_ZIP
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 51) /* current strategy of how to use managed cache */
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 52) unsigned char cache_strategy;
30048cdac4b92 fs/erofs/internal.h (Huang Jianan 2021-03-17 11:54:48 +0800 53) /* strategy of sync decompression (false - auto, true - force on) */
30048cdac4b92 fs/erofs/internal.h (Huang Jianan 2021-03-17 11:54:48 +0800 54) bool readahead_sync_decompress;
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 55)
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 56) /* threshold for decompression synchronously */
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 57) unsigned int max_sync_decompress_pages;
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 58) #endif
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 59) unsigned int mount_opt;
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 60) };
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 61)
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 62) /* all filesystem-wide lz4 configurations */
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 63) struct erofs_sb_lz4_info {
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 64) /* # of pages needed for EROFS lz4 rolling decompression */
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 65) u16 max_distance_pages;
4fea63f7d76e4 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:23 +0800 66) /* maximum possible blocks for pclusters in the filesystem */
4fea63f7d76e4 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:23 +0800 67) u16 max_pclusterblks;
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 68) };
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 69)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 70) struct erofs_sb_info {
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 71) #ifdef CONFIG_EROFS_FS_ZIP
2497ee41295c7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:03 +0800 72) /* list for all registered superblocks, mainly for shrinker */
2497ee41295c7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:03 +0800 73) struct list_head list;
a15813126272e drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:04 +0800 74) struct mutex umount_mutex;
2497ee41295c7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:03 +0800 75)
64094a04414f0 fs/erofs/internal.h (Gao Xiang 2020-02-20 10:46:42 +0800 76) /* managed XArray arranged in physical block number */
64094a04414f0 fs/erofs/internal.h (Gao Xiang 2020-02-20 10:46:42 +0800 77) struct xarray managed_pslots;
105d4ad857dcb drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:07 +0800 78)
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 79) unsigned int shrinker_run_no;
14373711dd54b fs/erofs/internal.h (Gao Xiang 2021-03-29 18:00:12 +0800 80) u16 available_compr_algs;
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 81)
4279f3f9889f2 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:49 +0800 82) /* pseudo inode to manage cached pages */
4279f3f9889f2 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:49 +0800 83) struct inode *managed_cache;
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 84)
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 85) struct erofs_sb_lz4_info lz4;
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 86) #endif /* CONFIG_EROFS_FS_ZIP */
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 87) u32 blocks;
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 88) u32 meta_blkaddr;
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 89) #ifdef CONFIG_EROFS_FS_XATTR
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 90) u32 xattr_blkaddr;
02827e1796b33 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:58 +0800 91) #endif
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 92)
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 93) /* inode slot unit size in bit shift */
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 94) unsigned char islotbits;
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 95)
14373711dd54b fs/erofs/internal.h (Gao Xiang 2021-03-29 18:00:12 +0800 96) u32 sb_size; /* total superblock size */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 97) u32 build_time_nsec;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 98) u64 build_time;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 99)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 100) /* what we really care is nid, rather than ino.. */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 101) erofs_nid_t root_nid;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 102) /* used for statfs, f_files - f_favail */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 103) u64 inos;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 104)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 105) u8 uuid[16]; /* 128-bit uuid for volume */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 106) u8 volume_name[16]; /* volume name */
b858a4844cfba fs/erofs/internal.h (Pratik Shinde 2019-11-04 10:49:37 +0800 107) u32 feature_compat;
426a930891cf1 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:53 +0800 108) u32 feature_incompat;
5efe5137f05bb drivers/staging/erofs/internal.h (Gao Xiang 2019-06-13 16:35:41 +0800 109)
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 110) struct erofs_fs_context ctx; /* options */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 111) };
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 112)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 113) #define EROFS_SB(sb) ((struct erofs_sb_info *)(sb)->s_fs_info)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 114) #define EROFS_I_SB(inode) ((struct erofs_sb_info *)(inode)->i_sb->s_fs_info)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 115)
b17500a0fdbae drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:52 +0800 116) /* Mount flags set via mount options or defaults */
b17500a0fdbae drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:52 +0800 117) #define EROFS_MOUNT_XATTR_USER 0x00000010
b17500a0fdbae drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:52 +0800 118) #define EROFS_MOUNT_POSIX_ACL 0x00000020
b17500a0fdbae drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:52 +0800 119)
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 120) #define clear_opt(ctx, option) ((ctx)->mount_opt &= ~EROFS_MOUNT_##option)
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 121) #define set_opt(ctx, option) ((ctx)->mount_opt |= EROFS_MOUNT_##option)
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 122) #define test_opt(ctx, option) ((ctx)->mount_opt & EROFS_MOUNT_##option)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 123)
4279f3f9889f2 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:49 +0800 124) enum {
4279f3f9889f2 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:49 +0800 125) EROFS_ZIP_CACHE_DISABLED,
4279f3f9889f2 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:49 +0800 126) EROFS_ZIP_CACHE_READAHEAD,
4279f3f9889f2 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:49 +0800 127) EROFS_ZIP_CACHE_READAROUND
4279f3f9889f2 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:49 +0800 128) };
4279f3f9889f2 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:49 +0800 129)
f57a3fe44995a fs/erofs/internal.h (Chao Yu 2020-05-29 18:48:36 +0800 130) #ifdef CONFIG_EROFS_FS_ZIP
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 131) #define EROFS_LOCKED_MAGIC (INT_MIN | 0xE0F510CCL)
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 132)
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 133) /* basic unit of the workstation of a super_block */
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 134) struct erofs_workgroup {
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 135) /* the workgroup index in the workstation */
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 136) pgoff_t index;
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 137)
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 138) /* overall workgroup reference count */
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 139) atomic_t refcount;
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 140) };
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 141)
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 142) #if defined(CONFIG_SMP)
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 143) static inline bool erofs_workgroup_try_to_freeze(struct erofs_workgroup *grp,
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 144) int val)
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 145) {
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 146) preempt_disable();
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 147) if (val != atomic_cmpxchg(&grp->refcount, val, EROFS_LOCKED_MAGIC)) {
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 148) preempt_enable();
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 149) return false;
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 150) }
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 151) return true;
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 152) }
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 153)
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 154) static inline void erofs_workgroup_unfreeze(struct erofs_workgroup *grp,
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 155) int orig_val)
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 156) {
948bbdb1818b7 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:03 +0800 157) /*
948bbdb1818b7 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:03 +0800 158) * other observers should notice all modifications
948bbdb1818b7 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:03 +0800 159) * in the freezing period.
948bbdb1818b7 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:03 +0800 160) */
948bbdb1818b7 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:03 +0800 161) smp_mb();
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 162) atomic_set(&grp->refcount, orig_val);
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 163) preempt_enable();
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 164) }
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 165)
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 166) static inline int erofs_wait_on_workgroup_freezed(struct erofs_workgroup *grp)
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 167) {
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 168) return atomic_cond_read_relaxed(&grp->refcount,
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 169) VAL != EROFS_LOCKED_MAGIC);
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 170) }
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 171) #else
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 172) static inline bool erofs_workgroup_try_to_freeze(struct erofs_workgroup *grp,
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 173) int val)
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 174) {
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 175) preempt_disable();
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 176) /* no need to spin on UP platforms, let's just disable preemption. */
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 177) if (val != atomic_read(&grp->refcount)) {
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 178) preempt_enable();
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 179) return false;
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 180) }
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 181) return true;
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 182) }
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 183)
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 184) static inline void erofs_workgroup_unfreeze(struct erofs_workgroup *grp,
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 185) int orig_val)
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 186) {
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 187) preempt_enable();
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 188) }
73f5c66df3e26 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:02 +0800 189)
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 190) static inline int erofs_wait_on_workgroup_freezed(struct erofs_workgroup *grp)
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 191) {
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 192) int v = atomic_read(&grp->refcount);
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 193)
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 194) /* workgroup is never freezed on uniprocessor systems */
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 195) DBG_BUGON(v == EROFS_LOCKED_MAGIC);
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 196) return v;
df134b8d17b90 drivers/staging/erofs/internal.h (Gao Xiang 2018-11-23 01:16:01 +0800 197) }
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 198) #endif /* !CONFIG_SMP */
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 199) #endif /* !CONFIG_EROFS_FS_ZIP */
e7e9a307be9d7 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:22:05 +0800 200)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 201) /* we strictly follow PAGE_SIZE and no buffer head yet */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 202) #define LOG_BLOCK_SIZE PAGE_SHIFT
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 203)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 204) #undef LOG_SECTORS_PER_BLOCK
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 205) #define LOG_SECTORS_PER_BLOCK (PAGE_SHIFT - 9)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 206)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 207) #undef SECTORS_PER_BLOCK
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 208) #define SECTORS_PER_BLOCK (1 << SECTORS_PER_BLOCK)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 209)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 210) #define EROFS_BLKSIZ (1 << LOG_BLOCK_SIZE)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 211)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 212) #if (EROFS_BLKSIZ % 4096 || !EROFS_BLKSIZ)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 213) #error erofs cannot be used in this platform
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 214) #endif
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 215)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 216) #define ROOT_NID(sb) ((sb)->root_nid)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 217)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 218) #define erofs_blknr(addr) ((addr) / EROFS_BLKSIZ)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 219) #define erofs_blkoff(addr) ((addr) % EROFS_BLKSIZ)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 220) #define blknr_to_addr(nr) ((erofs_off_t)(nr) * EROFS_BLKSIZ)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 221)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 222) static inline erofs_off_t iloc(struct erofs_sb_info *sbi, erofs_nid_t nid)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 223) {
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 224) return blknr_to_addr(sbi->meta_blkaddr) + (nid << sbi->islotbits);
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 225) }
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 226)
de06a6a375414 fs/erofs/internal.h (Gao Xiang 2021-03-29 09:23:05 +0800 227) #define EROFS_FEATURE_FUNCS(name, compat, feature) \
de06a6a375414 fs/erofs/internal.h (Gao Xiang 2021-03-29 09:23:05 +0800 228) static inline bool erofs_sb_has_##name(struct erofs_sb_info *sbi) \
de06a6a375414 fs/erofs/internal.h (Gao Xiang 2021-03-29 09:23:05 +0800 229) { \
de06a6a375414 fs/erofs/internal.h (Gao Xiang 2021-03-29 09:23:05 +0800 230) return sbi->feature_##compat & EROFS_FEATURE_##feature; \
de06a6a375414 fs/erofs/internal.h (Gao Xiang 2021-03-29 09:23:05 +0800 231) }
de06a6a375414 fs/erofs/internal.h (Gao Xiang 2021-03-29 09:23:05 +0800 232)
de06a6a375414 fs/erofs/internal.h (Gao Xiang 2021-03-29 09:23:05 +0800 233) EROFS_FEATURE_FUNCS(lz4_0padding, incompat, INCOMPAT_LZ4_0PADDING)
14373711dd54b fs/erofs/internal.h (Gao Xiang 2021-03-29 18:00:12 +0800 234) EROFS_FEATURE_FUNCS(compr_cfgs, incompat, INCOMPAT_COMPR_CFGS)
5404c33010cb8 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:22 +0800 235) EROFS_FEATURE_FUNCS(big_pcluster, incompat, INCOMPAT_BIG_PCLUSTER)
de06a6a375414 fs/erofs/internal.h (Gao Xiang 2021-03-29 09:23:05 +0800 236) EROFS_FEATURE_FUNCS(sb_chksum, compat, COMPAT_SB_CHKSUM)
de06a6a375414 fs/erofs/internal.h (Gao Xiang 2021-03-29 09:23:05 +0800 237)
62dc45979f3f8 drivers/staging/erofs/internal.h (Gao Xiang 2019-02-18 15:19:04 +0800 238) /* atomic flag definitions */
a5876e24f13f1 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:56 +0800 239) #define EROFS_I_EA_INITED_BIT 0
a5876e24f13f1 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:56 +0800 240) #define EROFS_I_Z_INITED_BIT 1
62dc45979f3f8 drivers/staging/erofs/internal.h (Gao Xiang 2019-02-18 15:19:04 +0800 241)
62dc45979f3f8 drivers/staging/erofs/internal.h (Gao Xiang 2019-02-18 15:19:04 +0800 242) /* bitlock definitions (arranged in reverse order) */
a5876e24f13f1 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:56 +0800 243) #define EROFS_I_BL_XATTR_BIT (BITS_PER_LONG - 1)
a5876e24f13f1 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:56 +0800 244) #define EROFS_I_BL_Z_BIT (BITS_PER_LONG - 2)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 245)
a5876e24f13f1 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:56 +0800 246) struct erofs_inode {
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 247) erofs_nid_t nid;
62dc45979f3f8 drivers/staging/erofs/internal.h (Gao Xiang 2019-02-18 15:19:04 +0800 248)
62dc45979f3f8 drivers/staging/erofs/internal.h (Gao Xiang 2019-02-18 15:19:04 +0800 249) /* atomic flags (including bitlocks) */
62dc45979f3f8 drivers/staging/erofs/internal.h (Gao Xiang 2019-02-18 15:19:04 +0800 250) unsigned long flags;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 251)
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 252) unsigned char datalayout;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 253) unsigned char inode_isize;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 254) unsigned short xattr_isize;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 255)
e82a9a17d49c5 drivers/staging/erofs/internal.h (Pratik Shinde 2019-07-15 17:51:27 +0530 256) unsigned int xattr_shared_count;
e82a9a17d49c5 drivers/staging/erofs/internal.h (Pratik Shinde 2019-07-15 17:51:27 +0530 257) unsigned int *xattr_shared_xattrs;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 258)
152a333a58956 drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:52 +0800 259) union {
152a333a58956 drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:52 +0800 260) erofs_blk_t raw_blkaddr;
152a333a58956 drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:52 +0800 261) #ifdef CONFIG_EROFS_FS_ZIP
152a333a58956 drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:52 +0800 262) struct {
152a333a58956 drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:52 +0800 263) unsigned short z_advise;
152a333a58956 drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:52 +0800 264) unsigned char z_algorithmtype[2];
152a333a58956 drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:52 +0800 265) unsigned char z_logical_clusterbits;
152a333a58956 drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:52 +0800 266) };
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 267) #endif /* CONFIG_EROFS_FS_ZIP */
152a333a58956 drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:52 +0800 268) };
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 269) /* the corresponding vfs inode */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 270) struct inode vfs_inode;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 271) };
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 272)
a5876e24f13f1 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:56 +0800 273) #define EROFS_I(ptr) \
a5876e24f13f1 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:56 +0800 274) container_of(ptr, struct erofs_inode, vfs_inode)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 275)
99634bf388db0 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:09:05 +0800 276) static inline unsigned long erofs_inode_datablocks(struct inode *inode)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 277) {
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 278) /* since i_size cannot be changed */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 279) return DIV_ROUND_UP(inode->i_size, EROFS_BLKSIZ);
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 280) }
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 281)
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 282) static inline unsigned int erofs_bitrange(unsigned int value, unsigned int bit,
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 283) unsigned int bits)
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 284) {
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 285)
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 286) return (value >> bit) & ((1 << bits) - 1);
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 287) }
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 288)
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 289)
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 290) static inline unsigned int erofs_inode_version(unsigned int value)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 291) {
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 292) return erofs_bitrange(value, EROFS_I_VERSION_BIT,
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 293) EROFS_I_VERSION_BITS);
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 294) }
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 295)
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 296) static inline unsigned int erofs_inode_datalayout(unsigned int value)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 297) {
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 298) return erofs_bitrange(value, EROFS_I_DATALAYOUT_BIT,
8a76568225dea fs/erofs/internal.h (Gao Xiang 2019-09-04 10:08:54 +0800 299) EROFS_I_DATALAYOUT_BITS);
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 300) }
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 301)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 302) extern const struct super_operations erofs_sops;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 303)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 304) extern const struct address_space_operations erofs_raw_access_aops;
0c638f70d7310 fs/erofs/internal.h (Gao Xiang 2019-11-08 11:37:33 +0800 305) extern const struct address_space_operations z_erofs_aops;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 306)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 307) /*
8137824eddd2e fs/erofs/internal.h (Yue Hu 2021-03-25 15:10:08 +0800 308) * Logical to physical block mapping
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 309) *
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 310) * Different with other file systems, it is used for 2 access modes:
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 311) *
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 312) * 1) RAW access mode:
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 313) *
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 314) * Users pass a valid (m_lblk, m_lofs -- usually 0) pair,
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 315) * and get the valid m_pblk, m_pofs and the longest m_len(in bytes).
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 316) *
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 317) * Note that m_lblk in the RAW access mode refers to the number of
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 318) * the compressed ondisk block rather than the uncompressed
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 319) * in-memory block for the compressed file.
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 320) *
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 321) * m_pofs equals to m_lofs except for the inline data page.
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 322) *
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 323) * 2) Normal access mode:
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 324) *
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 325) * If the inode is not compressed, it has no difference with
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 326) * the RAW access mode. However, if the inode is compressed,
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 327) * users should pass a valid (m_lblk, m_lofs) pair, and get
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 328) * the needed m_pblk, m_pofs, m_len to get the compressed data
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 329) * and the updated m_lblk, m_lofs which indicates the start
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 330) * of the corresponding uncompressed data in the file.
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 331) */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 332) enum {
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 333) BH_Zipped = BH_PrivateStart,
b6a76183dea8d drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:58 +0800 334) BH_FullMapped,
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 335) };
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 336)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 337) /* Has a disk mapping */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 338) #define EROFS_MAP_MAPPED (1 << BH_Mapped)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 339) /* Located in metadata (could be copied from bd_inode) */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 340) #define EROFS_MAP_META (1 << BH_Meta)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 341) /* The extent has been compressed */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 342) #define EROFS_MAP_ZIPPED (1 << BH_Zipped)
b6a76183dea8d drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:58 +0800 343) /* The length of extent is full */
b6a76183dea8d drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:58 +0800 344) #define EROFS_MAP_FULL_MAPPED (1 << BH_FullMapped)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 345)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 346) struct erofs_map_blocks {
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 347) erofs_off_t m_pa, m_la;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 348) u64 m_plen, m_llen;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 349)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 350) unsigned int m_flags;
3b423417d0d1d drivers/staging/erofs/internal.h (Chao Yu 2019-01-15 09:42:21 +0800 351)
3b423417d0d1d drivers/staging/erofs/internal.h (Chao Yu 2019-01-15 09:42:21 +0800 352) struct page *mpage;
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 353) };
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 354)
8137824eddd2e fs/erofs/internal.h (Yue Hu 2021-03-25 15:10:08 +0800 355) /* Flags used by erofs_map_blocks_flatmode() */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 356) #define EROFS_GET_BLOCKS_RAW 0x0001
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 357)
152a333a58956 drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:52 +0800 358) /* zmap.c */
3b423417d0d1d drivers/staging/erofs/internal.h (Chao Yu 2019-01-15 09:42:21 +0800 359) #ifdef CONFIG_EROFS_FS_ZIP
152a333a58956 drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:52 +0800 360) int z_erofs_fill_inode(struct inode *inode);
3b423417d0d1d drivers/staging/erofs/internal.h (Chao Yu 2019-01-15 09:42:21 +0800 361) int z_erofs_map_blocks_iter(struct inode *inode,
3b423417d0d1d drivers/staging/erofs/internal.h (Chao Yu 2019-01-15 09:42:21 +0800 362) struct erofs_map_blocks *map,
3b423417d0d1d drivers/staging/erofs/internal.h (Chao Yu 2019-01-15 09:42:21 +0800 363) int flags);
3b423417d0d1d drivers/staging/erofs/internal.h (Chao Yu 2019-01-15 09:42:21 +0800 364) #else
ff784a78af117 drivers/staging/erofs/internal.h (Gao Xiang 2019-08-14 18:37:05 +0800 365) static inline int z_erofs_fill_inode(struct inode *inode) { return -EOPNOTSUPP; }
3b423417d0d1d drivers/staging/erofs/internal.h (Chao Yu 2019-01-15 09:42:21 +0800 366) static inline int z_erofs_map_blocks_iter(struct inode *inode,
3b423417d0d1d drivers/staging/erofs/internal.h (Chao Yu 2019-01-15 09:42:21 +0800 367) struct erofs_map_blocks *map,
3b423417d0d1d drivers/staging/erofs/internal.h (Chao Yu 2019-01-15 09:42:21 +0800 368) int flags)
3b423417d0d1d drivers/staging/erofs/internal.h (Chao Yu 2019-01-15 09:42:21 +0800 369) {
ff784a78af117 drivers/staging/erofs/internal.h (Gao Xiang 2019-08-14 18:37:05 +0800 370) return -EOPNOTSUPP;
3b423417d0d1d drivers/staging/erofs/internal.h (Chao Yu 2019-01-15 09:42:21 +0800 371) }
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 372) #endif /* !CONFIG_EROFS_FS_ZIP */
3b423417d0d1d drivers/staging/erofs/internal.h (Chao Yu 2019-01-15 09:42:21 +0800 373)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 374) /* data.c */
e655b5b3a29c5 fs/erofs/internal.h (Gao Xiang 2019-09-04 10:09:03 +0800 375) struct page *erofs_get_meta_page(struct super_block *sb, erofs_blk_t blkaddr);
6e78901a9f233 drivers/staging/erofs/internal.h (Gao Xiang 2018-08-21 22:49:30 +0800 376)
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 377) /* inode.c */
2abd781413877 drivers/staging/erofs/internal.h (Gao Xiang 2018-10-09 22:07:13 +0800 378) static inline unsigned long erofs_inode_hash(erofs_nid_t nid)
2abd781413877 drivers/staging/erofs/internal.h (Gao Xiang 2018-10-09 22:07:13 +0800 379) {
2abd781413877 drivers/staging/erofs/internal.h (Gao Xiang 2018-10-09 22:07:13 +0800 380) #if BITS_PER_LONG == 32
2abd781413877 drivers/staging/erofs/internal.h (Gao Xiang 2018-10-09 22:07:13 +0800 381) return (nid >> 32) ^ (nid & 0xffffffff);
2abd781413877 drivers/staging/erofs/internal.h (Gao Xiang 2018-10-09 22:07:13 +0800 382) #else
2abd781413877 drivers/staging/erofs/internal.h (Gao Xiang 2018-10-09 22:07:13 +0800 383) return nid;
2abd781413877 drivers/staging/erofs/internal.h (Gao Xiang 2018-10-09 22:07:13 +0800 384) #endif
2abd781413877 drivers/staging/erofs/internal.h (Gao Xiang 2018-10-09 22:07:13 +0800 385) }
2abd781413877 drivers/staging/erofs/internal.h (Gao Xiang 2018-10-09 22:07:13 +0800 386)
609398266c542 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-14 19:40:24 +0800 387) extern const struct inode_operations erofs_generic_iops;
609398266c542 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-14 19:40:24 +0800 388) extern const struct inode_operations erofs_symlink_iops;
609398266c542 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-14 19:40:24 +0800 389) extern const struct inode_operations erofs_fast_symlink_iops;
b17500a0fdbae drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:52 +0800 390)
2e1d66379ece5 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-16 16:59:56 +0800 391) struct inode *erofs_iget(struct super_block *sb, erofs_nid_t nid, bool dir);
549c7297717c3 fs/erofs/internal.h (Christian Brauner 2021-01-21 14:19:43 +0100 392) int erofs_getattr(struct user_namespace *mnt_userns, const struct path *path,
549c7297717c3 fs/erofs/internal.h (Christian Brauner 2021-01-21 14:19:43 +0100 393) struct kstat *stat, u32 request_mask,
549c7297717c3 fs/erofs/internal.h (Christian Brauner 2021-01-21 14:19:43 +0100 394) unsigned int query_flags);
2e1d66379ece5 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-16 16:59:56 +0800 395)
609398266c542 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-14 19:40:24 +0800 396) /* namei.c */
609398266c542 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-14 19:40:24 +0800 397) extern const struct inode_operations erofs_dir_iops;
609398266c542 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-14 19:40:24 +0800 398)
609398266c542 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-14 19:40:24 +0800 399) int erofs_namei(struct inode *dir, struct qstr *name,
609398266c542 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-14 19:40:24 +0800 400) erofs_nid_t *nid, unsigned int *d_type);
609398266c542 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-14 19:40:24 +0800 401)
609398266c542 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-14 19:40:24 +0800 402) /* dir.c */
609398266c542 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-14 19:40:24 +0800 403) extern const struct file_operations erofs_dir_fops;
609398266c542 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-14 19:40:24 +0800 404)
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 405) static inline void *erofs_vm_map_ram(struct page **pages, unsigned int count)
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 406) {
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 407) int retried = 0;
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 408)
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 409) while (1) {
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 410) void *p = vm_map_ram(pages, count, -1);
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 411)
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 412) /* retry two more times (totally 3 times) */
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 413) if (p || ++retried >= 3)
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 414) return p;
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 415) vm_unmap_aliases();
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 416) }
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 417) return NULL;
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 418) }
598162d050801 fs/erofs/internal.h (Gao Xiang 2021-04-07 12:39:26 +0800 419)
524887347fcb6 fs/erofs/internal.h (Gao Xiang 2021-04-10 03:06:30 +0800 420) /* pcpubuf.c */
524887347fcb6 fs/erofs/internal.h (Gao Xiang 2021-04-10 03:06:30 +0800 421) void *erofs_get_pcpubuf(unsigned int requiredpages);
524887347fcb6 fs/erofs/internal.h (Gao Xiang 2021-04-10 03:06:30 +0800 422) void erofs_put_pcpubuf(void *ptr);
524887347fcb6 fs/erofs/internal.h (Gao Xiang 2021-04-10 03:06:30 +0800 423) int erofs_pcpubuf_growsize(unsigned int nrpages);
524887347fcb6 fs/erofs/internal.h (Gao Xiang 2021-04-10 03:06:30 +0800 424) void erofs_pcpubuf_init(void);
524887347fcb6 fs/erofs/internal.h (Gao Xiang 2021-04-10 03:06:30 +0800 425) void erofs_pcpubuf_exit(void);
524887347fcb6 fs/erofs/internal.h (Gao Xiang 2021-04-10 03:06:30 +0800 426)
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 427) /* utils.c / zdata.c */
5ddcee1f3a1cc fs/erofs/internal.h (Gao Xiang 2019-11-21 21:59:54 +0800 428) struct page *erofs_allocpage(struct list_head *pool, gfp_t gfp);
fa61a33f53760 drivers/staging/erofs/internal.h (Gao Xiang 2019-06-24 15:22:53 +0800 429)
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 430) #ifdef CONFIG_EROFS_FS_ZIP
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 431) int erofs_workgroup_put(struct erofs_workgroup *grp);
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 432) struct erofs_workgroup *erofs_find_workgroup(struct super_block *sb,
997626d838387 fs/erofs/internal.h (Vladimir Zapolskiy 2020-01-02 14:01:16 +0200 433) pgoff_t index);
64094a04414f0 fs/erofs/internal.h (Gao Xiang 2020-02-20 10:46:42 +0800 434) struct erofs_workgroup *erofs_insert_workgroup(struct super_block *sb,
64094a04414f0 fs/erofs/internal.h (Gao Xiang 2020-02-20 10:46:42 +0800 435) struct erofs_workgroup *grp);
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 436) void erofs_workgroup_free_rcu(struct erofs_workgroup *grp);
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 437) void erofs_shrinker_register(struct super_block *sb);
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 438) void erofs_shrinker_unregister(struct super_block *sb);
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 439) int __init erofs_init_shrinker(void);
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 440) void erofs_exit_shrinker(void);
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 441) int __init z_erofs_init_zip_subsystem(void);
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 442) void z_erofs_exit_zip_subsystem(void);
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 443) int erofs_try_to_free_all_cached_pages(struct erofs_sb_info *sbi,
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 444) struct erofs_workgroup *egrp);
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 445) int erofs_try_to_free_cached_page(struct address_space *mapping,
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 446) struct page *page);
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 447) int z_erofs_load_lz4_config(struct super_block *sb,
46249cded18ac fs/erofs/internal.h (Gao Xiang 2021-03-29 09:23:07 +0800 448) struct erofs_super_block *dsb,
46249cded18ac fs/erofs/internal.h (Gao Xiang 2021-03-29 09:23:07 +0800 449) struct z_erofs_lz4_cfgs *lz4, int len);
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 450) #else
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 451) static inline void erofs_shrinker_register(struct super_block *sb) {}
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 452) static inline void erofs_shrinker_unregister(struct super_block *sb) {}
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 453) static inline int erofs_init_shrinker(void) { return 0; }
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 454) static inline void erofs_exit_shrinker(void) {}
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 455) static inline int z_erofs_init_zip_subsystem(void) { return 0; }
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 456) static inline void z_erofs_exit_zip_subsystem(void) {}
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 457) static inline int z_erofs_load_lz4_config(struct super_block *sb,
46249cded18ac fs/erofs/internal.h (Gao Xiang 2021-03-29 09:23:07 +0800 458) struct erofs_super_block *dsb,
46249cded18ac fs/erofs/internal.h (Gao Xiang 2021-03-29 09:23:07 +0800 459) struct z_erofs_lz4_cfgs *lz4, int len)
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 460) {
14373711dd54b fs/erofs/internal.h (Gao Xiang 2021-03-29 18:00:12 +0800 461) if (lz4 || dsb->u1.lz4_max_distance) {
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 462) erofs_err(sb, "lz4 algorithm isn't enabled");
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 463) return -EINVAL;
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 464) }
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 465) return 0;
5d50538fc567c fs/erofs/internal.h (Huang Jianan 2021-03-29 09:23:06 +0800 466) }
22fe04a77d104 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:39 +0800 467) #endif /* !CONFIG_EROFS_FS_ZIP */
2e1d66379ece5 drivers/staging/erofs/internal.h (Gao Xiang 2019-01-16 16:59:56 +0800 468)
a6b9b1d5eae61 drivers/staging/erofs/internal.h (Gao Xiang 2019-08-14 18:37:03 +0800 469) #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
a6b9b1d5eae61 drivers/staging/erofs/internal.h (Gao Xiang 2019-08-14 18:37:03 +0800 470)
14f362b4f4058 drivers/staging/erofs/internal.h (Gao Xiang 2019-07-31 23:57:36 +0800 471) #endif /* __EROFS_INTERNAL_H */
bfb8674dc0447 drivers/staging/erofs/internal.h (Gao Xiang 2018-07-26 20:21:45 +0800 472)
VisionFive2 Linux kernel
StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)
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