+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2000-2005 Silicon Graphics, Inc.
* All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __LIBXFS_H__
#define __LIBXFS_H__
-#define XFS_BIG_INUMS 1
-#define XFS_BIG_BLKNOS 1
-
-#include <xfs/platform_defs.h>
-
-#include <xfs/list.h>
-#include <xfs/hlist.h>
-#include <xfs/cache.h>
-#include <xfs/bitops.h>
-#include <xfs/kmem.h>
-#include <xfs/radix-tree.h>
-#include <xfs/swab.h>
-#include <xfs/atomic.h>
-
-#include <xfs/xfs_types.h>
-#include <xfs/xfs_fs.h>
-#include <xfs/xfs_arch.h>
-#include <xfs/xfs_bit.h>
-#include <xfs/xfs_inum.h>
-#include <xfs/xfs_sb.h>
-#include <xfs/xfs_ag.h>
-#include <xfs/xfs_dir2.h>
-#include <xfs/xfs_mount.h>
-#include <xfs/xfs_da_btree.h>
-#include <xfs/xfs_bmap_btree.h>
-#include <xfs/xfs_alloc_btree.h>
-#include <xfs/xfs_ialloc_btree.h>
-#include <xfs/xfs_attr_sf.h>
-#include <xfs/xfs_dinode.h>
-#include <xfs/xfs_inode.h>
-#include <xfs/xfs_buf_item.h>
-#include <xfs/xfs_inode_item.h>
-#include <xfs/xfs_alloc.h>
-#include <xfs/xfs_btree.h>
-#include <xfs/xfs_btree_trace.h>
-#include <xfs/xfs_bmap.h>
-#include <xfs/xfs_trace.h>
-#include <xfs/xfs_symlink.h>
+#include "libxfs_api_defs.h"
+#include "platform_defs.h"
+#include "xfs.h"
+
+#include "list.h"
+#include "hlist.h"
+#include "cache.h"
+#include "bitops.h"
+#include "kmem.h"
+#include "libfrog/radix-tree.h"
+#include "atomic.h"
+
+#include "xfs_types.h"
+#include "xfs_fs.h"
+#include "xfs_arch.h"
+
+#include "xfs_shared.h"
+#include "xfs_format.h"
+#include "xfs_log_format.h"
+#include "xfs_quota_defs.h"
+#include "xfs_trans_resv.h"
+
+
+/* CRC stuff, buffer API dependent on it */
+extern uint32_t crc32c_le(uint32_t crc, unsigned char const *p, size_t len);
+#define crc32c(c,p,l) crc32c_le((c),(unsigned char const *)(p),(l))
+
+#include "xfs_cksum.h"
+
+/*
+ * This mirrors the kernel include for xfs_buf.h - it's implicitly included in
+ * every files via a similar include in the kernel xfs_linux.h.
+ */
+#include "libxfs_io.h"
+
+#include "xfs_bit.h"
+#include "xfs_sb.h"
+#include "xfs_mount.h"
+#include "xfs_defer.h"
+#include "xfs_errortag.h"
+#include "xfs_da_format.h"
+#include "xfs_da_btree.h"
+#include "xfs_dir2.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_alloc_btree.h"
+#include "xfs_ialloc_btree.h"
+#include "xfs_attr_sf.h"
+#include "xfs_inode_fork.h"
+#include "xfs_inode_buf.h"
+#include "xfs_inode.h"
+#include "xfs_alloc.h"
+#include "xfs_btree.h"
+#include "xfs_btree_trace.h"
+#include "xfs_bmap.h"
+#include "xfs_trace.h"
+#include "xfs_trans.h"
+#include "xfs_ag.h"
+#include "xfs_rmap_btree.h"
+#include "xfs_rmap.h"
+#include "xfs_refcount_btree.h"
+#include "xfs_refcount.h"
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#define XFS_SUPER_MAGIC 0x58465342
#endif
-#define xfs_isset(a,i) ((a)[(i)/(sizeof((a))*NBBY)] & (1<<((i)%(sizeof((a))*NBBY))))
-
-#define __round_mask(x, y) ((__typeof__(x))((y)-1))
-#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)
-#define round_down(x, y) ((x) & ~__round_mask(x, y))
+#define xfs_isset(a,i) ((a)[(i)/(sizeof(*(a))*NBBY)] & (1ULL<<((i)%(sizeof(*(a))*NBBY))))
/*
* Argument structure for libxfs_init().
*/
-typedef struct {
+typedef struct libxfs_xinit {
/* input parameters */
char *volname; /* pathname of volume */
char *dname; /* pathname of data "subvolume" */
int dfd; /* data subvolume file descriptor */
int logfd; /* log subvolume file descriptor */
int rtfd; /* realtime subvolume file descriptor */
+ int icache_flags; /* cache init flags */
+ int bcache_flags; /* cache init flags */
} libxfs_init_t;
#define LIBXFS_EXIT_ON_FAILURE 0x0001 /* exit the program if a call fails */
#define LIBXFS_DIRECT 0x0020 /* can use direct I/O, not buffered */
extern char *progname;
+extern xfs_lsn_t libxfs_max_lsn;
extern int libxfs_init (libxfs_init_t *);
extern void libxfs_destroy (void);
extern int libxfs_device_to_fd (dev_t);
extern dev_t libxfs_device_open (char *, int, int, int);
-extern void libxfs_device_zero (dev_t, xfs_daddr_t, uint);
extern void libxfs_device_close (dev_t);
extern int libxfs_device_alignment (void);
extern void libxfs_report(FILE *);
extern void platform_findsizes(char *path, int fd, long long *sz, int *bsz);
/* check or write log footer: specify device, log size in blocks & uuid */
-typedef xfs_caddr_t (libxfs_get_block_t)(xfs_caddr_t, int, void *);
-
-extern int libxfs_log_clear (dev_t, xfs_daddr_t, uint, uuid_t *,
- int, int, int);
-extern int libxfs_log_header (xfs_caddr_t, uuid_t *, int, int, int,
- libxfs_get_block_t *, void *);
+typedef char *(libxfs_get_block_t)(char *, int, void *);
/*
- * Define a user-level mount structure with all we need
- * in order to make use of the numerous XFS_* macros.
+ * Helpers to clear the log to a particular log cycle.
*/
-typedef struct xfs_mount {
- xfs_sb_t m_sb; /* copy of fs superblock */
- char *m_fsname; /* filesystem name */
- int m_bsize; /* fs logical block size */
- xfs_agnumber_t m_agfrotor; /* last ag where space found */
- xfs_agnumber_t m_agirotor; /* last ag dir inode alloced */
- xfs_agnumber_t m_maxagi; /* highest inode alloc group */
- uint m_rsumlevels; /* rt summary levels */
- uint m_rsumsize; /* size of rt summary, bytes */
- struct xfs_inode *m_rbmip; /* pointer to bitmap inode */
- struct xfs_inode *m_rsumip; /* pointer to summary inode */
- struct xfs_inode *m_rootip; /* pointer to root directory */
- dev_t m_dev;
- dev_t m_logdev;
- dev_t m_rtdev;
- __uint8_t m_dircook_elog; /* log d-cookie entry bits */
- __uint8_t m_blkbit_log; /* blocklog + NBBY */
- __uint8_t m_blkbb_log; /* blocklog - BBSHIFT */
- __uint8_t m_sectbb_log; /* sectorlog - BBSHIFT */
- __uint8_t m_agno_log; /* log #ag's */
- __uint8_t m_agino_log; /* #bits for agino in inum */
- __uint16_t m_inode_cluster_size;/* min inode buf size */
- uint m_blockmask; /* sb_blocksize-1 */
- uint m_blockwsize; /* sb_blocksize in words */
- uint m_blockwmask; /* blockwsize-1 */
- uint m_alloc_mxr[2]; /* XFS_ALLOC_BLOCK_MAXRECS */
- uint m_alloc_mnr[2]; /* XFS_ALLOC_BLOCK_MINRECS */
- uint m_bmap_dmxr[2]; /* XFS_BMAP_BLOCK_DMAXRECS */
- uint m_bmap_dmnr[2]; /* XFS_BMAP_BLOCK_DMINRECS */
- uint m_inobt_mxr[2]; /* XFS_INOBT_BLOCK_MAXRECS */
- uint m_inobt_mnr[2]; /* XFS_INOBT_BLOCK_MINRECS */
- uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */
- uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */
- uint m_in_maxlevels; /* XFS_IN_MAXLEVELS */
- struct radix_tree_root m_perag_tree;
- uint m_flags; /* global mount flags */
- uint m_qflags; /* quota status flags */
- uint m_attroffset; /* inode attribute offset */
- uint m_dir_node_ents; /* #entries in a dir danode */
- uint m_attr_node_ents; /* #entries in attr danode */
- int m_ialloc_inos; /* inodes in inode allocation */
- int m_ialloc_blks; /* blocks in inode allocation */
- int m_litino; /* size of inode union area */
- int m_inoalign_mask;/* mask sb_inoalignmt if used */
- xfs_trans_reservations_t m_reservations;/* precomputed res values */
- __uint64_t m_maxicount; /* maximum inode count */
- int m_dalign; /* stripe unit */
- int m_swidth; /* stripe width */
- int m_sinoalign; /* stripe unit inode alignmnt */
- int m_attr_magicpct;/* 37% of the blocksize */
- int m_dir_magicpct; /* 37% of the dir blocksize */
- const struct xfs_nameops *m_dirnameops; /* vector of dir name ops */
- int m_dirblksize; /* directory block sz--bytes */
- int m_dirblkfsbs; /* directory block sz--fsbs */
- xfs_dablk_t m_dirdatablk; /* blockno of dir data v2 */
- xfs_dablk_t m_dirleafblk; /* blockno of dir non-data v2 */
- xfs_dablk_t m_dirfreeblk; /* blockno of dirfreeindex v2 */
-} xfs_mount_t;
-
-
-#define LIBXFS_MOUNT_ROOTINOS 0x0001
-#define LIBXFS_MOUNT_DEBUGGER 0x0002
-#define LIBXFS_MOUNT_32BITINODES 0x0004
-#define LIBXFS_MOUNT_32BITINOOPT 0x0008
-#define LIBXFS_MOUNT_COMPAT_ATTR 0x0010
-#define LIBXFS_MOUNT_ATTR2 0x0020
-
-#define LIBXFS_IHASHSIZE(sbp) (1<<10)
-#define LIBXFS_BHASHSIZE(sbp) (1<<10)
-
-extern xfs_mount_t *libxfs_mount (xfs_mount_t *, xfs_sb_t *,
- dev_t, dev_t, dev_t, int);
-extern void libxfs_umount (xfs_mount_t *);
-extern void libxfs_rtmount_destroy (xfs_mount_t *);
+#define XLOG_INIT_CYCLE 1
+extern int libxfs_log_clear(struct xfs_buftarg *, char *, xfs_daddr_t,
+ uint, uuid_t *, int, int, int, int, bool);
+extern int libxfs_log_header(char *, uuid_t *, int, int, int, xfs_lsn_t,
+ xfs_lsn_t, libxfs_get_block_t *, void *);
-/*
- * Simple I/O interface
- */
-typedef struct xfs_buftarg {
- struct xfs_mount *bt_mount;
- dev_t dev;
-} xfs_buftarg_t;
-
-#define XB_PAGES 2
-
-struct xfs_buf_map {
- xfs_daddr_t bm_bn; /* block number for I/O */
- int bm_len; /* size of I/O */
-};
-
-#define DEFINE_SINGLE_BUF_MAP(map, blkno, numblk) \
- struct xfs_buf_map (map) = { .bm_bn = (blkno), .bm_len = (numblk) };
-
-struct xfs_buf_ops {
- void (*verify_read)(struct xfs_buf *);
- void (*verify_write)(struct xfs_buf *);
-};
-
-typedef struct xfs_buf {
- struct cache_node b_node;
- unsigned int b_flags;
- xfs_daddr_t b_bn;
- unsigned b_bcount;
- unsigned int b_length;
- dev_t b_dev;
- pthread_mutex_t b_lock;
- pthread_t b_holder;
- unsigned int b_recur;
- void *b_fspriv;
- void *b_fsprivate2;
- void *b_fsprivate3;
- void *b_addr;
- int b_error;
- const struct xfs_buf_ops *b_ops;
- struct xfs_buftarg *b_target;
- struct xfs_perag *b_pag;
- struct xfs_buf_map *b_map;
- int b_nmaps;
-#ifdef XFS_BUF_TRACING
- struct list_head b_lock_list;
- const char *b_func;
- const char *b_file;
- int b_line;
-#endif
-} xfs_buf_t;
-
-enum xfs_buf_flags_t { /* b_flags bits */
- LIBXFS_B_EXIT = 0x0001, /* ==LIBXFS_EXIT_ON_FAILURE */
- LIBXFS_B_DIRTY = 0x0002, /* buffer has been modified */
- LIBXFS_B_STALE = 0x0004, /* buffer marked as invalid */
- LIBXFS_B_UPTODATE = 0x0008, /* buffer is sync'd to disk */
- LIBXFS_B_DISCONTIG = 0x0010, /* discontiguous buffer */
-};
-
-#define XFS_BUF_DADDR_NULL ((xfs_daddr_t) (-1LL))
-
-#define XFS_BUF_PTR(bp) ((char *)(bp)->b_addr)
-#define xfs_buf_offset(bp, offset) (XFS_BUF_PTR(bp) + (offset))
-#define XFS_BUF_ADDR(bp) ((bp)->b_bn)
-#define XFS_BUF_SIZE(bp) ((bp)->b_bcount)
-#define XFS_BUF_COUNT(bp) ((bp)->b_bcount)
-#define XFS_BUF_TARGET(bp) ((bp)->b_dev)
-#define XFS_BUF_SET_PTR(bp,p,cnt) ({ \
- (bp)->b_addr = (char *)(p); \
- XFS_BUF_SET_COUNT(bp,cnt); \
-})
-
-#define XFS_BUF_SET_ADDR(bp,blk) ((bp)->b_bn = (blk))
-#define XFS_BUF_SET_COUNT(bp,cnt) ((bp)->b_bcount = (cnt))
-
-#define XFS_BUF_FSPRIVATE(bp,type) ((type)(bp)->b_fspriv)
-#define XFS_BUF_SET_FSPRIVATE(bp,val) (bp)->b_fspriv = (void *)(val)
-#define XFS_BUF_FSPRIVATE2(bp,type) ((type)(bp)->b_fsprivate2)
-#define XFS_BUF_SET_FSPRIVATE2(bp,val) (bp)->b_fsprivate2 = (void *)(val)
-#define XFS_BUF_FSPRIVATE3(bp,type) ((type)(bp)->b_fsprivate3)
-#define XFS_BUF_SET_FSPRIVATE3(bp,val) (bp)->b_fsprivate3 = (void *)(val)
-
-#define XFS_BUF_SET_PRIORITY(bp,pri) cache_node_set_priority( \
- libxfs_bcache, \
- (struct cache_node *)(bp), \
- (pri))
-#define XFS_BUF_PRIORITY(bp) (cache_node_get_priority( \
- (struct cache_node *)(bp)))
-#define xfs_buf_set_ref(bp,ref) ((void) 0)
-#define xfs_buf_ioerror(bp,err) (bp)->b_error = (err);
-
-/* Buffer Cache Interfaces */
-
-extern struct cache *libxfs_bcache;
-extern struct cache_operations libxfs_bcache_operations;
-
-#define LIBXFS_GETBUF_TRYLOCK (1 << 0)
-
-#ifdef XFS_BUF_TRACING
-
-#define libxfs_readbuf(dev, daddr, len, flags) \
- libxfs_trace_readbuf(__FUNCTION__, __FILE__, __LINE__, \
- (dev), (daddr), (len), (flags))
-#define libxfs_readbuf_map(dev, map, nmaps, flags) \
- libxfs_trace_readbuf_map(__FUNCTION__, __FILE__, __LINE__, \
- (dev), (map), (nmaps), (flags))
-#define libxfs_writebuf(buf, flags) \
- libxfs_trace_writebuf(__FUNCTION__, __FILE__, __LINE__, \
- (buf), (flags))
-#define libxfs_getbuf(dev, daddr, len) \
- libxfs_trace_getbuf(__FUNCTION__, __FILE__, __LINE__, \
- (dev), (daddr), (len))
-#define libxfs_getbuf_map(dev, map, nmaps) \
- libxfs_trace_getbuf_map(__FUNCTION__, __FILE__, __LINE__, \
- (dev), (map), (nmaps))
-#define libxfs_getbuf_flags(dev, daddr, len, flags) \
- libxfs_trace_getbuf_flags(__FUNCTION__, __FILE__, __LINE__, \
- (dev), (daddr), (len), (flags))
-#define libxfs_putbuf(buf) \
- libxfs_trace_putbuf(__FUNCTION__, __FILE__, __LINE__, (buf))
-
-extern xfs_buf_t *libxfs_trace_readbuf(const char *, const char *, int,
- dev_t, xfs_daddr_t, int, int);
-extern xfs_buf_t *libxfs_trace_readbuf_map(const char *, const char *, int,
- dev_t, struct xfs_buf_map *, int, int);
-extern int libxfs_trace_writebuf(const char *, const char *, int,
- xfs_buf_t *, int);
-extern xfs_buf_t *libxfs_trace_getbuf(const char *, const char *, int,
- dev_t, xfs_daddr_t, int);
-extern xfs_buf_t *libxfs_trace_getbuf_map(const char *, const char *, int,
- dev_t, struct xfs_buf_map *, int);
-extern xfs_buf_t *libxfs_trace_getbuf_flags(const char *, const char *, int,
- dev_t, xfs_daddr_t, int, unsigned int);
-extern void libxfs_trace_putbuf (const char *, const char *, int,
- xfs_buf_t *);
-
-#else
-
-extern xfs_buf_t *libxfs_readbuf(dev_t, xfs_daddr_t, int, int);
-extern xfs_buf_t *libxfs_readbuf_map(dev_t, struct xfs_buf_map *, int, int);
-extern int libxfs_writebuf(xfs_buf_t *, int);
-extern xfs_buf_t *libxfs_getbuf(dev_t, xfs_daddr_t, int);
-extern xfs_buf_t *libxfs_getbuf_map(dev_t, struct xfs_buf_map *, int);
-extern xfs_buf_t *libxfs_getbuf_flags(dev_t, xfs_daddr_t, int, unsigned int);
-extern void libxfs_putbuf (xfs_buf_t *);
-
-#endif
-
-extern xfs_buf_t *libxfs_getsb(xfs_mount_t *, int);
-extern void libxfs_bcache_purge(void);
-extern void libxfs_bcache_flush(void);
-extern void libxfs_purgebuf(xfs_buf_t *);
-extern int libxfs_bcache_overflowed(void);
-extern int libxfs_bcache_usage(void);
-
-/* Buffer (Raw) Interfaces */
-extern xfs_buf_t *libxfs_getbufr(dev_t, xfs_daddr_t, int);
-extern void libxfs_putbufr(xfs_buf_t *);
-
-extern int libxfs_writebuf_int(xfs_buf_t *, int);
-extern int libxfs_readbufr(dev_t, xfs_daddr_t, xfs_buf_t *, int, int);
+/* Shared utility routines */
-extern int libxfs_bhash_size;
-extern int libxfs_ihash_size;
+extern int libxfs_alloc_file_space (struct xfs_inode *, xfs_off_t,
+ xfs_off_t, int, int);
-#define LIBXFS_BREAD 0x1
-#define LIBXFS_BWRITE 0x2
-#define LIBXFS_BZERO 0x4
+/* XXX: this is messy and needs fixing */
+#ifndef __LIBXFS_INTERNAL_XFS_H__
+extern void cmn_err(int, char *, ...);
+enum ce { CE_DEBUG, CE_CONT, CE_NOTE, CE_WARN, CE_ALERT, CE_PANIC };
+#endif
-extern void libxfs_iomove (xfs_buf_t *, uint, int, void *, int);
+#include "xfs_ialloc.h"
+#include "xfs_attr_leaf.h"
+#include "xfs_attr_remote.h"
+#include "xfs_trans_space.h"
-/*
- * Transaction interface
- */
+#define XFS_INOBT_IS_FREE_DISK(rp,i) \
+ ((be64_to_cpu((rp)->ir_free) & XFS_INOBT_MASK(i)) != 0)
-typedef struct xfs_log_item {
- struct xfs_log_item_desc *li_desc; /* ptr to current desc*/
- struct xfs_mount *li_mountp; /* ptr to fs mount */
- uint li_type; /* item type */
- xfs_lsn_t li_lsn;
-} xfs_log_item_t;
-
-typedef struct xfs_inode_log_item {
- xfs_log_item_t ili_item; /* common portion */
- struct xfs_inode *ili_inode; /* inode pointer */
- unsigned short ili_flags; /* misc flags */
- unsigned int ili_fields; /* fields to be logged */
- unsigned int ili_last_fields; /* fields when flushed*/
- xfs_inode_log_format_t ili_format; /* logged structure */
- int ili_lock_flags;
-} xfs_inode_log_item_t;
-
-typedef struct xfs_buf_log_item {
- xfs_log_item_t bli_item; /* common item structure */
- struct xfs_buf *bli_buf; /* real buffer pointer */
- unsigned int bli_flags; /* misc flags */
- unsigned int bli_recur; /* recursion count */
- xfs_buf_log_format_t bli_format; /* in-log header */
-} xfs_buf_log_item_t;
-
-#include <xfs/xfs_trans.h>
-
-typedef struct xfs_trans {
- unsigned int t_type; /* transaction type */
- unsigned int t_log_res; /* amt of log space resvd */
- unsigned int t_log_count; /* count for perm log res */
- xfs_mount_t *t_mountp; /* ptr to fs mount struct */
- unsigned int t_flags; /* misc flags */
- long t_icount_delta; /* superblock icount change */
- long t_ifree_delta; /* superblock ifree change */
- long t_fdblocks_delta; /* superblock fdblocks chg */
- long t_frextents_delta; /* superblock freextents chg */
- struct list_head t_items; /* first log item desc chunk */
-} xfs_trans_t;
-
-extern xfs_trans_t *libxfs_trans_alloc (xfs_mount_t *, int);
-extern xfs_trans_t *libxfs_trans_dup (xfs_trans_t *);
-extern int libxfs_trans_reserve (xfs_trans_t *, uint,uint,uint,uint,uint);
-extern int libxfs_trans_commit (xfs_trans_t *, uint);
-extern void libxfs_trans_cancel (xfs_trans_t *, int);
-extern void libxfs_mod_sb (xfs_trans_t *, __int64_t);
-extern xfs_buf_t *libxfs_trans_getsb (xfs_trans_t *, xfs_mount_t *, int);
-
-extern int libxfs_trans_iget (xfs_mount_t *, xfs_trans_t *, xfs_ino_t,
- uint, uint, struct xfs_inode **);
-extern void libxfs_trans_iput(xfs_trans_t *, struct xfs_inode *, uint);
-extern void libxfs_trans_ijoin (xfs_trans_t *, struct xfs_inode *, uint);
-extern void libxfs_trans_ihold (xfs_trans_t *, struct xfs_inode *);
-extern void libxfs_trans_ijoin_ref(xfs_trans_t *, struct xfs_inode *, int);
-extern void libxfs_trans_log_inode (xfs_trans_t *, struct xfs_inode *,
- uint);
-
-extern void libxfs_trans_brelse (xfs_trans_t *, struct xfs_buf *);
-extern void libxfs_trans_binval (xfs_trans_t *, struct xfs_buf *);
-extern void libxfs_trans_bjoin (xfs_trans_t *, struct xfs_buf *);
-extern void libxfs_trans_bhold (xfs_trans_t *, struct xfs_buf *);
-extern void libxfs_trans_log_buf (xfs_trans_t *, struct xfs_buf *,
- uint, uint);
-/*
-extern xfs_buf_t *libxfs_trans_get_buf (xfs_trans_t *, dev_t,
- xfs_daddr_t, int, uint);
-extern int libxfs_trans_read_buf (xfs_mount_t *, xfs_trans_t *, dev_t,
- xfs_daddr_t, int, uint, struct xfs_buf **);
-*/
-
-struct xfs_buf *libxfs_trans_get_buf_map(struct xfs_trans *tp, dev_t dev,
- struct xfs_buf_map *map, int nmaps,
- uint flags);
-
-static inline struct xfs_buf *
-libxfs_trans_get_buf(
- struct xfs_trans *tp,
- dev_t dev,
- xfs_daddr_t blkno,
- int numblks,
- uint flags)
+static inline bool
+xfs_inobt_is_sparse_disk(
+ struct xfs_inobt_rec *rp,
+ int offset)
{
- DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
- return libxfs_trans_get_buf_map(tp, dev, &map, 1, flags);
-}
+ int spshift;
+ uint16_t holemask;
-int libxfs_trans_read_buf_map(struct xfs_mount *mp,
- struct xfs_trans *tp, dev_t dev,
- struct xfs_buf_map *map, int nmaps,
- uint flags, struct xfs_buf **bpp,
- const struct xfs_buf_ops *ops);
-
-static inline int
-libxfs_trans_read_buf(
- struct xfs_mount *mp,
- struct xfs_trans *tp,
- dev_t dev,
- xfs_daddr_t blkno,
- int numblks,
- uint flags,
- struct xfs_buf **bpp,
- const struct xfs_buf_ops *ops)
-{
- DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
- return libxfs_trans_read_buf_map(mp, tp, dev, &map, 1,
- flags, bpp, ops);
-}
+ holemask = be16_to_cpu(rp->ir_u.sp.ir_holemask);
+ spshift = offset / XFS_INODES_PER_HOLEMASK_BIT;
+ if ((1 << spshift) & holemask)
+ return true;
-/*
- * Inode interface
- */
-typedef struct xfs_inode {
- struct cache_node i_node;
- xfs_mount_t *i_mount; /* fs mount struct ptr */
- xfs_ino_t i_ino; /* inode number (agno/agino) */
- struct xfs_imap i_imap; /* location for xfs_imap() */
- dev_t i_dev; /* dev for this inode */
- xfs_ifork_t *i_afp; /* attribute fork pointer */
- xfs_ifork_t i_df; /* data fork */
- xfs_trans_t *i_transp; /* ptr to owning transaction */
- xfs_inode_log_item_t *i_itemp; /* logging information */
- unsigned int i_delayed_blks; /* count of delay alloc blks */
- xfs_icdinode_t i_d; /* most of ondisk inode */
- xfs_fsize_t i_size; /* in-memory size */
-} xfs_inode_t;
-
-#define LIBXFS_ATTR_ROOT 0x0002 /* use attrs in root namespace */
-#define LIBXFS_ATTR_SECURE 0x0008 /* use attrs in security namespace */
-#define LIBXFS_ATTR_CREATE 0x0010 /* create, but fail if attr exists */
-#define LIBXFS_ATTR_REPLACE 0x0020 /* set, but fail if attr not exists */
-
-/*
- * Project quota id helpers (previously projid was 16bit only and using two
- * 16bit values to hold new 32bit projid was chosen to retain compatibility with
- * "old" filesystems).
- *
- * Copied here from xfs_inode.h because it has to be defined after the struct
- * xfs_inode...
- */
-static inline prid_t
-xfs_get_projid(struct xfs_icdinode *id)
-{
- return (prid_t)id->di_projid_hi << 16 | id->di_projid_lo;
+ return false;
}
static inline void
-xfs_set_projid(struct xfs_icdinode *id, prid_t projid)
+libxfs_bmbt_disk_get_all(
+ struct xfs_bmbt_rec *rec,
+ struct xfs_bmbt_irec *irec)
{
- id->di_projid_hi = (__uint16_t) (projid >> 16);
- id->di_projid_lo = (__uint16_t) (projid & 0xffff);
+ uint64_t l0 = get_unaligned_be64(&rec->l0);
+ uint64_t l1 = get_unaligned_be64(&rec->l1);
+
+ irec->br_startoff = (l0 & xfs_mask64lo(64 - BMBT_EXNTFLAG_BITLEN)) >> 9;
+ irec->br_startblock = ((l0 & xfs_mask64lo(9)) << 43) | (l1 >> 21);
+ irec->br_blockcount = l1 & xfs_mask64lo(21);
+ if (l0 >> (64 - BMBT_EXNTFLAG_BITLEN))
+ irec->br_state = XFS_EXT_UNWRITTEN;
+ else
+ irec->br_state = XFS_EXT_NORM;
}
-typedef struct cred {
- uid_t cr_uid;
- gid_t cr_gid;
-} cred_t;
-
-extern int libxfs_inode_alloc (xfs_trans_t **, xfs_inode_t *, mode_t,
- nlink_t, xfs_dev_t, struct cred *,
- struct fsxattr *, xfs_inode_t **);
-extern void libxfs_trans_inode_alloc_buf (xfs_trans_t *, xfs_buf_t *);
-
-extern void libxfs_trans_ichgtime(struct xfs_trans *,
- struct xfs_inode *, int);
-extern int libxfs_iflush_int (xfs_inode_t *, xfs_buf_t *);
-
-/* Inode Cache Interfaces */
-extern struct cache *libxfs_icache;
-extern struct cache_operations libxfs_icache_operations;
-extern void libxfs_icache_purge (void);
-extern int libxfs_iget (xfs_mount_t *, xfs_trans_t *, xfs_ino_t,
- uint, xfs_inode_t **, xfs_daddr_t);
-extern void libxfs_iput (xfs_inode_t *, uint);
-
-#include <xfs/xfs_dir2_format.h>
-
-/* Shared utility routines */
-extern unsigned int libxfs_log2_roundup(unsigned int i);
-
-extern int libxfs_alloc_file_space (xfs_inode_t *, xfs_off_t,
- xfs_off_t, int, int);
-extern int libxfs_bmap_finish(xfs_trans_t **, xfs_bmap_free_t *, int *);
-
-extern void libxfs_fs_repair_cmn_err(int, struct xfs_mount *, char *, ...);
-extern void libxfs_fs_cmn_err(int, struct xfs_mount *, char *, ...);
-
-extern void cmn_err(int, char *, ...);
-enum ce { CE_DEBUG, CE_CONT, CE_NOTE, CE_WARN, CE_ALERT, CE_PANIC };
-
-
-#define LIBXFS_BBTOOFF64(bbs) (((xfs_off_t)(bbs)) << BBSHIFT)
-extern int libxfs_nproc(void);
-extern unsigned long libxfs_physmem(void); /* in kilobytes */
-
-#include <xfs/xfs_ialloc.h>
-#include <xfs/xfs_rtalloc.h>
-
-#include <xfs/xfs_attr_leaf.h>
-#include <xfs/xfs_attr_remote.h>
-#include <xfs/xfs_quota.h>
-#include <xfs/xfs_trans_space.h>
-#include <xfs/xfs_log.h>
-#include <xfs/xfs_log_priv.h>
-
-#define XFS_INOBT_IS_FREE_DISK(rp,i) \
- ((be64_to_cpu((rp)->ir_free) & XFS_INOBT_MASK(i)) != 0)
-
-/*
- * public xfs kernel routines to be called as libxfs_*
- */
-
-/* xfs_alloc.c */
-int libxfs_alloc_fix_freelist(xfs_alloc_arg_t *, int);
-
-/* xfs_attr.c */
-int libxfs_attr_get(struct xfs_inode *, const unsigned char *,
- unsigned char *, int *, int);
-int libxfs_attr_set(struct xfs_inode *, const unsigned char *,
- unsigned char *, int, int);
-int libxfs_attr_remove(struct xfs_inode *, const unsigned char *, int);
-
-/* xfs_bmap.c */
-xfs_bmbt_rec_host_t *xfs_bmap_search_extents(xfs_inode_t *, xfs_fileoff_t,
- int, int *, xfs_extnum_t *, xfs_bmbt_irec_t *,
- xfs_bmbt_irec_t *);
-void xfs_bmbt_disk_get_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s);
-
-/* xfs_attr_leaf.h */
-#define libxfs_attr_leaf_newentsize xfs_attr_leaf_newentsize
-
-/* xfs_bit.h */
-#define libxfs_highbit32 xfs_highbit32
-#define libxfs_highbit64 xfs_highbit64
-
-/* xfs_bmap.h */
-#define libxfs_bmap_cancel xfs_bmap_cancel
-#define libxfs_bmap_last_offset xfs_bmap_last_offset
-#define libxfs_bmapi_write xfs_bmapi_write
-#define libxfs_bmapi_read xfs_bmapi_read
-#define libxfs_bunmapi xfs_bunmapi
-
-/* xfs_bmap_btree.h */
-#define libxfs_bmbt_disk_get_all xfs_bmbt_disk_get_all
-
-/* xfs_da_btree.h */
-#define libxfs_da_brelse xfs_da_brelse
-#define libxfs_da_hashname xfs_da_hashname
-#define libxfs_da_shrink_inode xfs_da_shrink_inode
-#define libxfs_da_read_buf xfs_da_read_buf
-
-/* xfs_dir2.h */
-#define libxfs_dir_createname xfs_dir_createname
-#define libxfs_dir_init xfs_dir_init
-#define libxfs_dir_lookup xfs_dir_lookup
-#define libxfs_dir_replace xfs_dir_replace
-#define libxfs_dir2_isblock xfs_dir2_isblock
-#define libxfs_dir2_isleaf xfs_dir2_isleaf
-
-/* xfs_dir2_data.h */
-#define libxfs_dir2_data_freescan xfs_dir2_data_freescan
-#define libxfs_dir2_data_log_entry xfs_dir2_data_log_entry
-#define libxfs_dir2_data_log_header xfs_dir2_data_log_header
-#define libxfs_dir2_data_make_free xfs_dir2_data_make_free
-#define libxfs_dir2_data_use_free xfs_dir2_data_use_free
-#define libxfs_dir2_shrink_inode xfs_dir2_shrink_inode
-
-/* xfs_inode.h */
-#define libxfs_dinode_from_disk xfs_dinode_from_disk
-#define libxfs_dinode_to_disk xfs_dinode_to_disk
-void xfs_dinode_from_disk(struct xfs_icdinode *,
- struct xfs_dinode *);
-#define libxfs_idata_realloc xfs_idata_realloc
-#define libxfs_idestroy_fork xfs_idestroy_fork
-
-/* xfs_mount.h */
-#define libxfs_mod_sb xfs_mod_sb
-#define libxfs_sb_from_disk xfs_sb_from_disk
-#define libxfs_sb_to_disk xfs_sb_to_disk
-
+/* XXX: this is clearly a bug - a shared header needs to export this */
/* xfs_rtalloc.c */
int libxfs_rtfree_extent(struct xfs_trans *, xfs_rtblock_t, xfs_extlen_t);
+bool libxfs_verify_rtbno(struct xfs_mount *mp, xfs_rtblock_t rtbno);
-/* CRC wrappers */
-
-extern uint32_t crc32_le(uint32_t crc, unsigned char const *p, size_t len);
-extern uint32_t crc32c_le(uint32_t crc, unsigned char const *p, size_t len);
-
-#define crc32(c,p,l) crc32_le((c),(unsigned char const *)(p),(l))
-#define crc32c(c,p,l) crc32c_le((c),(unsigned char const *)(p),(l))
-
-#include <xfs/xfs_cksum.h>
+#include "xfs_attr.h"
#endif /* __LIBXFS_H__ */
projects / thirdparty / xfsprogs-dev.git / blobdiff