internal.h (7e508f2ca8bbda8cabbd4753bc727a7f66837a12) internal.h (cd913c76f489def1a388e3a5b10df94948ede3f5)
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2017-2018 HUAWEI, Inc.
4 * https://www.huawei.com/
5 * Copyright (C) 2021, Alibaba Cloud
6 */
7#ifndef __EROFS_INTERNAL_H
8#define __EROFS_INTERNAL_H

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46typedef u64 erofs_off_t;
47/* data type for filesystem-wide blocks number */
48typedef u32 erofs_blk_t;
49
50struct erofs_device_info {
51 char *path;
52 struct block_device *bdev;
53 struct dax_device *dax_dev;
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2017-2018 HUAWEI, Inc.
4 * https://www.huawei.com/
5 * Copyright (C) 2021, Alibaba Cloud
6 */
7#ifndef __EROFS_INTERNAL_H
8#define __EROFS_INTERNAL_H

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46typedef u64 erofs_off_t;
47/* data type for filesystem-wide blocks number */
48typedef u32 erofs_blk_t;
49
50struct erofs_device_info {
51 char *path;
52 struct block_device *bdev;
53 struct dax_device *dax_dev;
54 u64 dax_part_off;
54
55 u32 blocks;
56 u32 mapped_blkaddr;
57};
58
59struct erofs_mount_opts {
60#ifdef CONFIG_EROFS_FS_ZIP
61 /* current strategy of how to use managed cache */

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104
105 /* pseudo inode to manage cached pages */
106 struct inode *managed_cache;
107
108 struct erofs_sb_lz4_info lz4;
109#endif /* CONFIG_EROFS_FS_ZIP */
110 struct erofs_dev_context *devs;
111 struct dax_device *dax_dev;
55
56 u32 blocks;
57 u32 mapped_blkaddr;
58};
59
60struct erofs_mount_opts {
61#ifdef CONFIG_EROFS_FS_ZIP
62 /* current strategy of how to use managed cache */

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105
106 /* pseudo inode to manage cached pages */
107 struct inode *managed_cache;
108
109 struct erofs_sb_lz4_info lz4;
110#endif /* CONFIG_EROFS_FS_ZIP */
111 struct erofs_dev_context *devs;
112 struct dax_device *dax_dev;
113 u64 dax_part_off;
112 u64 total_blocks;
113 u32 primarydevice_blocks;
114
115 u32 meta_blkaddr;
116#ifdef CONFIG_EROFS_FS_XATTR
117 u32 xattr_blkaddr;
118#endif
119 u16 device_id_mask; /* valid bits of device id to be used */

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253}
254
255#define EROFS_FEATURE_FUNCS(name, compat, feature) \
256static inline bool erofs_sb_has_##name(struct erofs_sb_info *sbi) \
257{ \
258 return sbi->feature_##compat & EROFS_FEATURE_##feature; \
259}
260
114 u64 total_blocks;
115 u32 primarydevice_blocks;
116
117 u32 meta_blkaddr;
118#ifdef CONFIG_EROFS_FS_XATTR
119 u32 xattr_blkaddr;
120#endif
121 u16 device_id_mask; /* valid bits of device id to be used */

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255}
256
257#define EROFS_FEATURE_FUNCS(name, compat, feature) \
258static inline bool erofs_sb_has_##name(struct erofs_sb_info *sbi) \
259{ \
260 return sbi->feature_##compat & EROFS_FEATURE_##feature; \
261}
262
261EROFS_FEATURE_FUNCS(zero_padding, incompat, INCOMPAT_ZERO_PADDING)
263EROFS_FEATURE_FUNCS(lz4_0padding, incompat, INCOMPAT_LZ4_0PADDING)
262EROFS_FEATURE_FUNCS(compr_cfgs, incompat, INCOMPAT_COMPR_CFGS)
263EROFS_FEATURE_FUNCS(big_pcluster, incompat, INCOMPAT_BIG_PCLUSTER)
264EROFS_FEATURE_FUNCS(device_table, incompat, INCOMPAT_DEVICE_TABLE)
265EROFS_FEATURE_FUNCS(sb_chksum, compat, COMPAT_SB_CHKSUM)
266
267/* atomic flag definitions */
268#define EROFS_I_EA_INITED_BIT 0
269#define EROFS_I_Z_INITED_BIT 1

--- 302 unchanged lines hidden --- 		264EROFS_FEATURE_FUNCS(compr_cfgs, incompat, INCOMPAT_COMPR_CFGS)
265EROFS_FEATURE_FUNCS(big_pcluster, incompat, INCOMPAT_BIG_PCLUSTER)
266EROFS_FEATURE_FUNCS(device_table, incompat, INCOMPAT_DEVICE_TABLE)
267EROFS_FEATURE_FUNCS(sb_chksum, compat, COMPAT_SB_CHKSUM)
268
269/* atomic flag definitions */
270#define EROFS_I_EA_INITED_BIT 0
271#define EROFS_I_Z_INITED_BIT 1

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