#include <linux/types.h>
#include <linux/kernel.h>
-#include <linux/time.h>
#include <linux/stat.h>
#include <linux/fs.h>
*/
#define UFS_MINFREE 5
#define UFS_DEFAULTOPT UFS_OPTTIME
+
+/*
+ * Debug code
+ */
+#ifdef CONFIG_UFS_DEBUG
+# define UFSD(f, a...) { \
+ printk ("UFSD (%s, %d): %s:", \
+ __FILE__, __LINE__, __FUNCTION__); \
+ printk (f, ## a); \
+ }
+#else
+# define UFSD(f, a...) /**/
+#endif
/*
* Turn file system block numbers into disk block addresses.
__fs64 cs_spare[3]; /* future expansion */
};
+/*
+ * File system flags
+ */
+#define UFS_UNCLEAN 0x01 /* file system not clean at mount (unused) */
+#define UFS_DOSOFTDEP 0x02 /* file system using soft dependencies */
+#define UFS_NEEDSFSCK 0x04 /* needs sync fsck (FreeBSD compat, unused) */
+#define UFS_INDEXDIRS 0x08 /* kernel supports indexed directories */
+#define UFS_ACLS 0x10 /* file system has ACLs enabled */
+#define UFS_MULTILABEL 0x20 /* file system is MAC multi-label */
+#define UFS_FLAGS_UPDATED 0x80 /* flags have been moved to new location */
+
+#if 0
/*
* This is the actual superblock, as it is laid out on the disk.
+ * Do NOT use this structure, because of sizeof(ufs_super_block) > 512 and
+ * it may occupy several blocks, use
+ * struct ufs_super_block_(first,second,third) instead.
*/
struct ufs_super_block {
__fs32 fs_link; /* UNUSED */
__s8 fs_fmod; /* super block modified flag */
__s8 fs_clean; /* file system is clean flag */
__s8 fs_ronly; /* mounted read-only flag */
- __s8 fs_flags; /* currently unused flag */
+ __s8 fs_flags;
union {
struct {
__s8 fs_fsmnt[UFS_MAXMNTLEN];/* name mounted on */
__fs32 fs_magic; /* magic number */
__u8 fs_space[1]; /* list of blocks for each rotation */
};
+#endif/*struct ufs_super_block*/
/*
* Preference for optimization.
};
struct ufs_cg_private_info {
- struct ufs_cylinder_group ucg;
+ struct ufs_buffer_head c_ubh;
__u32 c_cgx; /* number of cylidner group */
__u16 c_ncyl; /* number of cyl's this cg */
__u16 c_niblk; /* number of inode blocks this cg */
struct ufs_sb_private_info {
struct ufs_buffer_head s_ubh; /* buffer containing super block */
+ struct ufs2_csum_total cs_total;
__u32 s_sblkno; /* offset of super-blocks in filesys */
__u32 s_cblkno; /* offset of cg-block in filesys */
__u32 s_iblkno; /* offset of inode-blocks in filesys */
};
struct ufs_super_block_second {
- __s8 fs_fsmnt[212];
- __fs32 fs_cgrotor;
- __fs32 fs_csp[UFS_MAXCSBUFS];
- __fs32 fs_maxcluster;
- __fs32 fs_cpc;
- __fs16 fs_opostbl[82];
-};
+ union {
+ struct {
+ __s8 fs_fsmnt[212];
+ __fs32 fs_cgrotor;
+ __fs32 fs_csp[UFS_MAXCSBUFS];
+ __fs32 fs_maxcluster;
+ __fs32 fs_cpc;
+ __fs16 fs_opostbl[82];
+ } fs_u1;
+ struct {
+ __s8 fs_fsmnt[UFS2_MAXMNTLEN - UFS_MAXMNTLEN + 212];
+ __u8 fs_volname[UFS2_MAXVOLLEN];
+ __fs64 fs_swuid;
+ __fs32 fs_pad;
+ __fs32 fs_cgrotor;
+ __fs32 fs_ocsp[UFS2_NOCSPTRS];
+ __fs32 fs_contigdirs;
+ __fs32 fs_csp;
+ __fs32 fs_maxcluster;
+ __fs32 fs_active;
+ __fs32 fs_old_cpc;
+ __fs32 fs_maxbsize;
+ __fs64 fs_sparecon64[17];
+ __fs64 fs_sblockloc;
+ __fs64 cs_ndir;
+ __fs64 cs_nbfree;
+ } fs_u2;
+ } fs_un;
+};
struct ufs_super_block_third {
- __fs16 fs_opostbl[46];
+ union {
+ struct {
+ __fs16 fs_opostbl[46];
+ } fs_u1;
+ struct {
+ __fs64 cs_nifree; /* number of free inodes */
+ __fs64 cs_nffree; /* number of free frags */
+ __fs64 cs_numclusters; /* number of free clusters */
+ __fs64 cs_spare[3]; /* future expansion */
+ struct ufs_timeval fs_time; /* last time written */
+ __fs64 fs_size; /* number of blocks in fs */
+ __fs64 fs_dsize; /* number of data blocks in fs */
+ __fs64 fs_csaddr; /* blk addr of cyl grp summary area */
+ __fs64 fs_pendingblocks;/* blocks in process of being freed */
+ __fs32 fs_pendinginodes;/*inodes in process of being freed */
+ } __attribute__ ((packed)) fs_u2;
+ } fs_un1;
union {
struct {
__fs32 fs_sparecon[53];/* reserved for future constants */
__fs32 fs_qfmask[2]; /* ~usb_fmask */
__fs32 fs_state; /* file system state time stamp */
} fs_44;
- } fs_u2;
+ } fs_un2;
__fs32 fs_postblformat;
__fs32 fs_nrpos;
__fs32 fs_postbloff;
/* balloc.c */
extern void ufs_free_fragments (struct inode *, unsigned, unsigned);
extern void ufs_free_blocks (struct inode *, unsigned, unsigned);
-extern unsigned ufs_new_fragments (struct inode *, __fs32 *, unsigned, unsigned, unsigned, int *);
+extern unsigned ufs_new_fragments(struct inode *, __fs32 *, unsigned, unsigned,
+ unsigned, int *, struct page *);
/* cylinder.c */
extern struct ufs_cg_private_info * ufs_load_cylinder (struct super_block *, unsigned);
extern int ufs_add_link (struct dentry *, struct inode *);
extern ino_t ufs_inode_by_name(struct inode *, struct dentry *);
extern int ufs_make_empty(struct inode *, struct inode *);
-extern struct ufs_dir_entry * ufs_find_entry (struct dentry *, struct buffer_head **);
-extern int ufs_delete_entry (struct inode *, struct ufs_dir_entry *, struct buffer_head *);
+extern struct ufs_dir_entry *ufs_find_entry(struct inode *, struct dentry *, struct page **);
+extern int ufs_delete_entry(struct inode *, struct ufs_dir_entry *, struct page *);
extern int ufs_empty_dir (struct inode *);
-extern struct ufs_dir_entry * ufs_dotdot (struct inode *, struct buffer_head **);
-extern void ufs_set_link(struct inode *, struct ufs_dir_entry *, struct buffer_head *, struct inode *);
+extern struct ufs_dir_entry *ufs_dotdot(struct inode *, struct page **);
+extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,
+ struct page *page, struct inode *inode);
/* file.c */
extern struct inode_operations ufs_file_inode_operations;
extern const struct file_operations ufs_file_operations;
-extern struct address_space_operations ufs_aops;
+extern const struct address_space_operations ufs_aops;
/* ialloc.c */
extern void ufs_free_inode (struct inode *inode);
extern struct inode * ufs_new_inode (struct inode *, int);
/* inode.c */
-extern u64 ufs_frag_map (struct inode *, sector_t);
extern void ufs_read_inode (struct inode *);
extern void ufs_put_inode (struct inode *);
extern int ufs_write_inode (struct inode *, int);
extern int ufs_sync_inode (struct inode *);
extern void ufs_delete_inode (struct inode *);
-extern struct buffer_head * ufs_getfrag (struct inode *, unsigned, int, int *);
extern struct buffer_head * ufs_bread (struct inode *, unsigned, int, int *);
extern int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create);
extern struct inode_operations ufs_fast_symlink_inode_operations;
/* truncate.c */
-extern void ufs_truncate (struct inode *);
+extern int ufs_truncate (struct inode *, loff_t);
static inline struct ufs_sb_info *UFS_SB(struct super_block *sb)
{
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