b24413180f560 (Greg Kroah-Hartman 2017-11-01 15:07:57 +0100 1) /* SPDX-License-Identifier: GPL-2.0 */
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 2) #ifndef _UFS_UFS_H
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 3) #define _UFS_UFS_H 1
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 4)
de771bdaaa9dd (Fabian Frederick 2014-08-08 14:20:59 -0700 5) #ifdef pr_fmt
de771bdaaa9dd (Fabian Frederick 2014-08-08 14:20:59 -0700 6) #undef pr_fmt
de771bdaaa9dd (Fabian Frederick 2014-08-08 14:20:59 -0700 7) #endif
de771bdaaa9dd (Fabian Frederick 2014-08-08 14:20:59 -0700 8)
de771bdaaa9dd (Fabian Frederick 2014-08-08 14:20:59 -0700 9) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
de771bdaaa9dd (Fabian Frederick 2014-08-08 14:20:59 -0700 10)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 11) #define UFS_MAX_GROUP_LOADED 8
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 12) #define UFS_CGNO_EMPTY ((unsigned)-1)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 13)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 14) struct ufs_sb_private_info;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 15) struct ufs_cg_private_info;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 16) struct ufs_csum;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 17)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 18) struct ufs_sb_info {
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 19) struct ufs_sb_private_info * s_uspi;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 20) struct ufs_csum * s_csp;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 21) unsigned s_bytesex;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 22) unsigned s_flags;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 23) struct buffer_head ** s_ucg;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 24) struct ufs_cg_private_info * s_ucpi[UFS_MAX_GROUP_LOADED];
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 25) unsigned s_cgno[UFS_MAX_GROUP_LOADED];
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 26) unsigned short s_cg_loaded;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 27) unsigned s_mount_opt;
9e9ad5f408889 (Artem Bityutskiy 2012-07-12 16:28:08 +0300 28) struct super_block *sb;
9e9ad5f408889 (Artem Bityutskiy 2012-07-12 16:28:08 +0300 29) int work_queued; /* non-zero if the delayed work is queued */
9e9ad5f408889 (Artem Bityutskiy 2012-07-12 16:28:08 +0300 30) struct delayed_work sync_work; /* FS sync delayed work */
9e9ad5f408889 (Artem Bityutskiy 2012-07-12 16:28:08 +0300 31) spinlock_t work_lock; /* protects sync_work and work_queued */
cdd9eefdf905e (Fabian Frederick 2015-06-10 10:09:32 +1000 32) struct mutex s_lock;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 33) };
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 34)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 35) struct ufs_inode_info {
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 36) union {
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 37) __fs32 i_data[15];
f33219b7a90c4 (Duane Griffin 2009-01-08 22:43:49 +0000 38) __u8 i_symlink[2 * 4 * 15];
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 39) __fs64 u2_i_data[15];
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 40) } i_u1;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 41) __u32 i_flags;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 42) __u32 i_shadow;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 43) __u32 i_unused1;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 44) __u32 i_unused2;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 45) __u32 i_oeftflag;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 46) __u16 i_osync;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 47) __u64 i_lastfrag;
724bb09fdc06d (Al Viro 2015-06-17 12:02:56 -0400 48) seqlock_t meta_lock;
724bb09fdc06d (Al Viro 2015-06-17 12:02:56 -0400 49) struct mutex truncate_mutex;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 50) __u32 i_dir_start_lookup;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 51) struct inode vfs_inode;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 52) };
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 53)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 54) /* mount options */
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 55) #define UFS_MOUNT_ONERROR 0x0000000F
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 56) #define UFS_MOUNT_ONERROR_PANIC 0x00000001
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 57) #define UFS_MOUNT_ONERROR_LOCK 0x00000002
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 58) #define UFS_MOUNT_ONERROR_UMOUNT 0x00000004
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 59) #define UFS_MOUNT_ONERROR_REPAIR 0x00000008
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 60)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 61) #define UFS_MOUNT_UFSTYPE 0x0000FFF0
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 62) #define UFS_MOUNT_UFSTYPE_OLD 0x00000010
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 63) #define UFS_MOUNT_UFSTYPE_44BSD 0x00000020
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 64) #define UFS_MOUNT_UFSTYPE_SUN 0x00000040
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 65) #define UFS_MOUNT_UFSTYPE_NEXTSTEP 0x00000080
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 66) #define UFS_MOUNT_UFSTYPE_NEXTSTEP_CD 0x00000100
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 67) #define UFS_MOUNT_UFSTYPE_OPENSTEP 0x00000200
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 68) #define UFS_MOUNT_UFSTYPE_SUNx86 0x00000400
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 69) #define UFS_MOUNT_UFSTYPE_HP 0x00000800
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 70) #define UFS_MOUNT_UFSTYPE_UFS2 0x00001000
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 71) #define UFS_MOUNT_UFSTYPE_SUNOS 0x00002000
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 72)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 73) #define ufs_clear_opt(o,opt) o &= ~UFS_MOUNT_##opt
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 74) #define ufs_set_opt(o,opt) o |= UFS_MOUNT_##opt
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 75) #define ufs_test_opt(o,opt) ((o) & UFS_MOUNT_##opt)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 76)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 77) /*
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 78) * Debug code
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 79) */
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 80) #ifdef CONFIG_UFS_DEBUG
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 81) # define UFSD(f, a...) { \
d4beaabd307b4 (Fabian Frederick 2014-08-08 14:21:05 -0700 82) pr_debug("UFSD (%s, %d): %s:", \
9746077a71d01 (Harvey Harrison 2008-04-28 02:16:17 -0700 83) __FILE__, __LINE__, __func__); \
d4beaabd307b4 (Fabian Frederick 2014-08-08 14:21:05 -0700 84) pr_debug(f, ## a); \
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 85) }
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 86) #else
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 87) # define UFSD(f, a...) /**/
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 88) #endif
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 89)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 90) /* balloc.c */
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 91) extern void ufs_free_fragments (struct inode *, u64, unsigned);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 92) extern void ufs_free_blocks (struct inode *, u64, unsigned);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 93) extern u64 ufs_new_fragments(struct inode *, void *, u64, u64,
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 94) unsigned, int *, struct page *);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 95)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 96) /* cylinder.c */
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 97) extern struct ufs_cg_private_info * ufs_load_cylinder (struct super_block *, unsigned);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 98) extern void ufs_put_cylinder (struct super_block *, unsigned);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 99)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 100) /* dir.c */
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 101) extern const struct inode_operations ufs_dir_inode_operations;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 102) extern int ufs_add_link (struct dentry *, struct inode *);
89031bc79782a (Al Viro 2010-01-31 20:49:54 -0500 103) extern ino_t ufs_inode_by_name(struct inode *, const struct qstr *);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 104) extern int ufs_make_empty(struct inode *, struct inode *);
89031bc79782a (Al Viro 2010-01-31 20:49:54 -0500 105) extern struct ufs_dir_entry *ufs_find_entry(struct inode *, const struct qstr *, struct page **);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 106) extern int ufs_delete_entry(struct inode *, struct ufs_dir_entry *, struct page *);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 107) extern int ufs_empty_dir (struct inode *);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 108) extern struct ufs_dir_entry *ufs_dotdot(struct inode *, struct page **);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 109) extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,
70d45cdb66439 (Al Viro 2015-06-16 01:56:23 -0400 110) struct page *page, struct inode *inode, bool update_times);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 111)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 112) /* file.c */
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 113) extern const struct inode_operations ufs_file_inode_operations;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 114) extern const struct file_operations ufs_file_operations;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 115) extern const struct address_space_operations ufs_aops;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 116)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 117) /* ialloc.c */
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 118) extern void ufs_free_inode (struct inode *inode);
6a9a06d9ca3d3 (Al Viro 2011-07-26 02:49:13 -0400 119) extern struct inode * ufs_new_inode (struct inode *, umode_t);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 120)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 121) /* inode.c */
b55c460da6df4 (David Howells 2008-02-07 00:15:48 -0800 122) extern struct inode *ufs_iget(struct super_block *, unsigned long);
a9185b41a4f84 (Christoph Hellwig 2010-03-05 09:21:37 +0100 123) extern int ufs_write_inode (struct inode *, struct writeback_control *);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 124) extern int ufs_sync_inode (struct inode *);
58e8268c7bae5 (Al Viro 2010-06-05 19:40:56 -0400 125) extern void ufs_evict_inode (struct inode *);
549c7297717c3 (Christian Brauner 2021-01-21 14:19:43 +0100 126) extern int ufs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
549c7297717c3 (Christian Brauner 2021-01-21 14:19:43 +0100 127) struct iattr *attr);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 128)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 129) /* namei.c */
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 130) extern const struct file_operations ufs_dir_operations;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 131)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 132) /* super.c */
b9075fa968a0a (Joe Perches 2011-10-31 17:11:33 -0700 133) extern __printf(3, 4)
b9075fa968a0a (Joe Perches 2011-10-31 17:11:33 -0700 134) void ufs_warning(struct super_block *, const char *, const char *, ...);
b9075fa968a0a (Joe Perches 2011-10-31 17:11:33 -0700 135) extern __printf(3, 4)
b9075fa968a0a (Joe Perches 2011-10-31 17:11:33 -0700 136) void ufs_error(struct super_block *, const char *, const char *, ...);
b9075fa968a0a (Joe Perches 2011-10-31 17:11:33 -0700 137) extern __printf(3, 4)
b9075fa968a0a (Joe Perches 2011-10-31 17:11:33 -0700 138) void ufs_panic(struct super_block *, const char *, const char *, ...);
9e9ad5f408889 (Artem Bityutskiy 2012-07-12 16:28:08 +0300 139) void ufs_mark_sb_dirty(struct super_block *sb);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 140)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 141) static inline struct ufs_sb_info *UFS_SB(struct super_block *sb)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 142) {
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 143) return sb->s_fs_info;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 144) }
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 145)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 146) static inline struct ufs_inode_info *UFS_I(struct inode *inode)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 147) {
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 148) return container_of(inode, struct ufs_inode_info, vfs_inode);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 149) }
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 150)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 151) /*
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 152) * Give cylinder group number for a file system block.
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 153) * Give cylinder group block number for a file system block.
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 154) */
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 155) /* #define ufs_dtog(d) ((d) / uspi->s_fpg) */
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 156) static inline u64 ufs_dtog(struct ufs_sb_private_info * uspi, u64 b)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 157) {
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 158) do_div(b, uspi->s_fpg);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 159) return b;
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 160) }
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 161) /* #define ufs_dtogd(d) ((d) % uspi->s_fpg) */
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 162) static inline u32 ufs_dtogd(struct ufs_sb_private_info * uspi, u64 b)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 163) {
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 164) return do_div(b, uspi->s_fpg);
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 165) }
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 166)
bcd6d4ecf6868 (Christoph Hellwig 2007-10-16 23:26:51 -0700 167) #endif /* _UFS_UFS_H */
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