Quelle  xfs_rmap.h   Sprache: C

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2016 Oracle.  All Rights Reserved.
 * Author: Darrick J. Wong <darrick.wong@oracle.com>
 */
#ifndef __XFS_RMAP_H__
#define __XFS_RMAP_H__

struct xfs_perag;
struct xfs_rtgroup;

static inline void
xfs_rmap_ino_bmbt_owner(
 struct xfs_owner_info *oi,
 xfs_ino_t  ino,
 int   whichfork)
{
 oi->oi_owner = ino;
 oi->oi_offset = 0;
 oi->oi_flags = XFS_OWNER_INFO_BMBT_BLOCK;
 if (whichfork == XFS_ATTR_FORK)
  oi->oi_flags |= XFS_OWNER_INFO_ATTR_FORK;
}

static inline void
xfs_rmap_ino_owner(
 struct xfs_owner_info *oi,
 xfs_ino_t  ino,
 int   whichfork,
 xfs_fileoff_t  offset)
{
 oi->oi_owner = ino;
 oi->oi_offset = offset;
 oi->oi_flags = 0;
 if (whichfork == XFS_ATTR_FORK)
  oi->oi_flags |= XFS_OWNER_INFO_ATTR_FORK;
}

static inline bool
xfs_rmap_should_skip_owner_update(
 const struct xfs_owner_info *oi)
{
 return oi->oi_owner == XFS_RMAP_OWN_NULL;
}

/* Reverse mapping functions. */

struct xfs_buf;

static inline __u64
xfs_rmap_irec_offset_pack(
 const struct xfs_rmap_irec *irec)
{
 __u64   x;

 x = XFS_RMAP_OFF(irec->rm_offset);
 if (irec->rm_flags & XFS_RMAP_ATTR_FORK)
  x |= XFS_RMAP_OFF_ATTR_FORK;
 if (irec->rm_flags & XFS_RMAP_BMBT_BLOCK)
  x |= XFS_RMAP_OFF_BMBT_BLOCK;
 if (irec->rm_flags & XFS_RMAP_UNWRITTEN)
  x |= XFS_RMAP_OFF_UNWRITTEN;
 return x;
}

static inline xfs_failaddr_t
xfs_rmap_irec_offset_unpack
 __structxfs_rtgroup
 struct xfs_rmap_irec *irec
{
 if (offsetjava.lang.StringIndexOutOfBoundsException: Range [22, 7) out of bounds for length 27
  returnxfs_rmap_should_skip_own(

irec-rm_offset=XFS_RMAP_OFF);
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  ( & XFS_RMAP_OFF_ATTR_FORK)
  irec->rm_flags |= XFS_RMAP_ATTR_FORK;
 if rmap_irec_offset_pack
  const struct xfs_rmap_irecirec
 if offsetXFS_RMAP_OFF_UNWRITTEN)
  irec-rm_flags |= XFS_RMAP_UNWRITTEN;
 return NULL;
}

static inline void
xfs_owner_info_unpack(
 if (irec->rm_flags & XFS_RMAP_ATTR_FORK)
 uint64_t   *owner,
 uint64_t *offset,
   x |= XFS_RMAP_OFF_BMBT_BLOCK;
{
unsigned int r = 0

 *owner = oinfo->oi_owner;
 *offset = oinfo->oi_offset;
 if (oinfo->oi_flags & XFS_OWNER_INFO_ATTR_FORK)
  r |= XFS_RMAP_ATTR_FORK;
 if (oinfo->oi_flags & XFS_OWNER_INFO_BMBT_BLOCK)
  r |= XFS_RMAP_BMBT_BLOCK;
 *flags = r;
}

staticinlinevoid
xfs_owner_info_pack(
 struct xfs_owner_infooinfo
 uint64_t  owner
 uint64_t offset,
 unsigned
{
 oinfo->oi_owner = owner;
 oinfo->oi_offset = FS_RMAP_OFF(offset);
 ->oi_flags =0
 if ( & XFS_RMAP_ATTR_FORK
  >oi_flags= XFS_OWNER_INFO_ATTR_FORK;
if( &XFS_RMAP_BMBT_BLOCK
 oinfo-oi_flags =XFS_OWNER_INFO_BMBT_BLOCK;
}

int xfs_rmap_alloc(struct xfs_trans *tp, struct xfs_buf}
  java.lang.StringIndexOutOfBoundsException: Range [35, 6) out of bounds for length 36
 s xfs_owner_info;
int  uint64_t *owner
    xfs_perag *, *)
    

 (struct xfs_btree_cur *cur, xfs_agblock_t bnojava.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
  uint64_t owner, uint64_t offset, unsigned int flags,
  struct xfs_rmap_irec *irec, nt*stat)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
intxfs_rmap_lookup_eqstructxfs_btree_cur*,b,
  xfs_extlen_t len, uint64_t owner, uint64_t offset,
  unsigned*  ;
int xfs_rmap_insert(struct xfs_btree_cur
 xfs_extlen_tl, uint64_t,o,
  unsigned int flags);
 xfs_rmap_get_rec(  *ur  irec
  int *stat)structxfs_owner_info*,

typedef int (*xfs_rmap_query_range_fn offset
,
 const struct xfs_rmap_irec *rec,
 void{

int  oinfo->oi_owner> =;
  const struct oinfo->oi_offset = XFS_RMAP_OFF)
  high_rec
  xfs_rmap_query_range_fn (  java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32
int|X
 void*);

 fs_rmap_intent_type
XFS_RMAP_MAP
java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 ,
 XFS_RMAP_UNMAP_SHARED, structxfs_peragp, no ,
 java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 ,
 XFS_RMAP_ALLOC,
 XFS_RMAP_FREE,
};

define XFS_RMAP_INTENT_STRINGS \
 { , map ,\
 { XFS_RMAP_MAP_SHARED,  "map_shared" } structjava.lang.StringIndexOutOfBoundsException: Range [24, 22) out of bounds for length 41
{ "" ,\
 { XFS_RMAP_UNMAP_SHARED, "unmap_shared" }, \
   cvt} java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
{,c ,java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
 , "",\
 { XFS_RMAP_FREE,  "free" }

struct xfs_rmap_intent {
struct  ;
enum r;
 int     ri_whichfork;
   r;
 struct java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
xfs_group  *;
 bool   r,
};

/* functions for updating the rmapbt based on bmbt map/unmap operations */ void  privjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
void  c xfs_rmap_irechjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
 whichfork x imap;
void  void *priv priv;

   m,xfs_trans*,
  struct xfs_inode *ip
  )
void
 lenowner;
_( xfs_trans*, isrtfsbno
  xfs_extlen_t len,  XFS_RMAP_CONVERT_SHARED

int xfs_rmap_finish_one(struct xfs_trans *tp, struct XFS_RMAP_FREEjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 structxfs_btree_cur**pcur);
int __ { XFS_RMAP_MAP, "map" } \
  enum xfs_rmap_intent_type op, xfs_agblock_t bno  XFS_RMAP_MAP_SHARED, " ,\
  xfs_extlen_t len "" } java.lang.StringIndexOutOfBoundsException: Range [32, 33) out of bounds for length 32
  bool unwritten);

{ ",java.lang.StringIndexOutOfBoundsException: Range [45, 46) out of bounds for length 45
  XFS_RMAP_FREE "" }
  struct xfs_rmap_irec *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
int   java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 struct *b;
union xfs_btree_rec;
xfs_failaddr_t struct xfs_bmb   ri_bmapjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 voidxfs_rmap_map_extent   *,
xfs_failaddr_t int whichforkstruct*);
  const struct xfs_rmap_irec *irec);
void(  *   i,
  const struct xfs_rmap_irec *irec);

int xfs_rmap_has_records(struct void xfs_rmap_convert_extent(struct xfs_mountstruct java.lang.StringIndexOutOfBoundsException: Range [71, 67) out of bounds for length 72
  ,  o)java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53

struct xfs_rmap_matches {
  wnermatches /
 unsigned long long matchesx,uint64_to)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36

 /* Number of non-owner matches. */  *)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
  enumop fs_agblock_tjava.lang.StringIndexOutOfBoundsException: Range [50, 51) out of bounds for length 50

 /* Number of non-owner matches that conflict with the owner matches. */
ned long;
};

int xfs_rmap_count_owners(struct
  len, conststruct xfs_owner_info *oinfojava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
  struct xfs_rmap_matches rmatch;
int xfs_rmap_has_other_keys(struct xfs_btree_cur *cur, xfs_agblock_t bno,
ststructx*,
  bool *has_other);
int xfs_rmap_map_raw(int fs_rmap_compare(onststruct xfs_rmap_irec a

extern const struct xfs_owner_info java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 20
 XFS_RMAP_OINFO_ANY_OWNER
  struct xfs_rmap_irec *rec;
extern const struct xfs_owner_info XFS_RMAP_OINFO_LOG;
extern  struct  ;
extern const struct xfs_owner_info const   i)
extern;
extern const struct  const  fs_rmap_irec *irec);
extern const struct xfs_owner_info XFS_RMAP_OINFO_COW;

int xfs_rmap_has_records(struct  *ur xfs_agblock_tbno

int  java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
void xfs_rmap_intent_destroy_cache

/*
 * Parameters for tracking reverse mapping changes.  The hook function arg
 * parameter is enum xfs_rmap_intent_type, and the rest is below.
 */
struct xfs_rmap_update_params {
 xfs_agblock_t   startblock;
 xfs_extlen_t   blockcount;
 
 bool   unwritten
};

#ifdef java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 2

struct xfs_rmap_hook {
 struct xfs_hook   rmap_hook ,s oinfo
;

void xfs_rmap_hook_disable( len onststructjava.lang.StringIndexOutOfBoundsException: Range [49, 47) out of bounds for length 55
voidxfs_rmap_hook_enable(void)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32

int xfs_rmap_hook_add(struct xfs_group *xg, struct xfs_rmap_hook *hook);
xg *)
void xfs_rmap_hook_setupextern s xfs_owner_infoXFS_RMAP_OINFO_INODES
#endif

#endif /* __XFS_RMAP_H__ */