Re: [PATCH V2 11/12] xfsprogs: Extend per-inode extent counter widths

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On Mon, Jul 26, 2021 at 05:17:23PM +0530, Chandan Babu R wrote:
> This commit adds a new 64-bit per-inode data extent counter. However the
> maximum number of extents that a data fork can hold is limited to 2^48
> extents. This feature is available only when
> XFS_SB_FEAT_INCOMPAT_EXTCOUNT_64BIT feature bit is enabled on the
> filesystem. Also, enabling this feature bit causes attr fork extent counter to
> use the 32-bit extent counter that was previously used to hold the data fork
> extent counter. This implies that the attr fork can now occupy a maximum of
> 2^32 extents.
> 
> Signed-off-by: Chandan Babu R <chandanrlinux@xxxxxxxxx>
> ---
>  db/field.c                 |  4 ----
>  db/field.h                 |  2 --
>  db/inode.c                 | 30 +++++++++++++++++++++++++++---
>  include/libxlog.h          |  6 ++++--
>  libxfs/xfs_bmap.c          |  8 +++-----
>  libxfs/xfs_format.h        | 15 +++++++++++++--
>  libxfs/xfs_inode_buf.c     | 30 +++++++++++++++++++++++++-----
>  libxfs/xfs_inode_fork.h    | 18 ++++++++++++++----
>  libxfs/xfs_log_format.h    |  3 ++-
>  logprint/log_misc.c        | 23 ++++++++++++++++++-----
>  logprint/log_print_all.c   | 34 +++++++++++++++++++++++++++-------
>  logprint/log_print_trans.c |  2 +-
>  repair/bmap_repair.c       | 10 ++++++++--
>  repair/dinode.c            | 15 ++++++++++++---
>  14 files changed, 154 insertions(+), 46 deletions(-)
> 
> diff --git a/db/field.c b/db/field.c
> index 51268938a..1e274ffc4 100644
> --- a/db/field.c
> +++ b/db/field.c
> @@ -25,8 +25,6 @@
>  #include "symlink.h"
>  
>  const ftattr_t	ftattrtab[] = {
> -	{ FLDT_AEXTNUM, "aextnum", fp_num, "%d", SI(bitsz(xfs_aextnum_t)),
> -	  FTARG_SIGNED, NULL, NULL },
>  	{ FLDT_AGBLOCK, "agblock", fp_num, "%u", SI(bitsz(xfs_agblock_t)),
>  	  FTARG_DONULL, fa_agblock, NULL },
>  	{ FLDT_AGBLOCKNZ, "agblocknz", fp_num, "%u", SI(bitsz(xfs_agblock_t)),
> @@ -300,8 +298,6 @@ const ftattr_t	ftattrtab[] = {
>  	  FTARG_DONULL, fa_drtbno, NULL },
>  	{ FLDT_EXTLEN, "extlen", fp_num, "%u", SI(bitsz(xfs_extlen_t)), 0, NULL,
>  	  NULL },
> -	{ FLDT_EXTNUM, "extnum", fp_num, "%d", SI(bitsz(xfs_extnum_t)),
> -	  FTARG_SIGNED, NULL, NULL },
>  	{ FLDT_FSIZE, "fsize", fp_num, "%lld", SI(bitsz(xfs_fsize_t)),
>  	  FTARG_SIGNED, NULL, NULL },
>  	{ FLDT_INO, "ino", fp_num, "%llu", SI(bitsz(xfs_ino_t)), FTARG_DONULL,
> diff --git a/db/field.h b/db/field.h
> index 387c189ec..614fd0ab4 100644
> --- a/db/field.h
> +++ b/db/field.h
> @@ -5,7 +5,6 @@
>   */
>  
>  typedef enum fldt	{
> -	FLDT_AEXTNUM,
>  	FLDT_AGBLOCK,
>  	FLDT_AGBLOCKNZ,
>  	FLDT_AGF,
> @@ -143,7 +142,6 @@ typedef enum fldt	{
>  	FLDT_DRFSBNO,
>  	FLDT_DRTBNO,
>  	FLDT_EXTLEN,
> -	FLDT_EXTNUM,
>  	FLDT_FSIZE,
>  	FLDT_INO,
>  	FLDT_INOBT,
> diff --git a/db/inode.c b/db/inode.c
> index 27251f02f..6f941184c 100644
> --- a/db/inode.c
> +++ b/db/inode.c
> @@ -37,6 +37,8 @@ static int	inode_u_muuid_count(void *obj, int startoff);
>  static int	inode_u_sfdir2_count(void *obj, int startoff);
>  static int	inode_u_sfdir3_count(void *obj, int startoff);
>  static int	inode_u_symlink_count(void *obj, int startoff);
> +static int	inode_v3_64bitext_count(void *obj, int startoff);
> +static int	inode_v3_pad2_count(void *obj, int startoff);
>  
>  static const cmdinfo_t	inode_cmd =
>  	{ "inode", NULL, inode_f, 0, 1, 1, "[inode#]",
> @@ -100,8 +102,8 @@ const field_t	inode_core_flds[] = {
>  	{ "size", FLDT_FSIZE, OI(COFF(size)), C1, 0, TYP_NONE },
>  	{ "nblocks", FLDT_DRFSBNO, OI(COFF(nblocks)), C1, 0, TYP_NONE },
>  	{ "extsize", FLDT_EXTLEN, OI(COFF(extsize)), C1, 0, TYP_NONE },
> -	{ "nextents32", FLDT_EXTNUM, OI(COFF(nextents32)), C1, 0, TYP_NONE },
> -	{ "nextents16", FLDT_AEXTNUM, OI(COFF(nextents16)), C1, 0, TYP_NONE },
> +	{ "nextents32", FLDT_UINT32D, OI(COFF(nextents32)), C1, 0, TYP_NONE },
> +	{ "nextents16", FLDT_UINT16D, OI(COFF(nextents16)), C1, 0, TYP_NONE },
>  	{ "forkoff", FLDT_UINT8D, OI(COFF(forkoff)), C1, 0, TYP_NONE },
>  	{ "aformat", FLDT_DINODE_FMT, OI(COFF(aformat)), C1, 0, TYP_NONE },
>  	{ "dmevmask", FLDT_UINT32X, OI(COFF(dmevmask)), C1, 0, TYP_NONE },
> @@ -162,7 +164,10 @@ const field_t	inode_v3_flds[] = {
>  	{ "lsn", FLDT_UINT64X, OI(COFF(lsn)), C1, 0, TYP_NONE },
>  	{ "flags2", FLDT_UINT64X, OI(COFF(flags2)), C1, 0, TYP_NONE },
>  	{ "cowextsize", FLDT_EXTLEN, OI(COFF(cowextsize)), C1, 0, TYP_NONE },
> -	{ "pad2", FLDT_UINT8X, OI(OFF(pad2)), CI(12), FLD_ARRAY|FLD_SKIPALL, TYP_NONE },
> +	{ "nextents64", FLDT_UINT64D, OI(COFF(nextents64)),
> +	  inode_v3_64bitext_count, FLD_COUNT, TYP_NONE },
> +	{ "pad2", FLDT_UINT8X, OI(OFF(pad2)), inode_v3_pad2_count,
> +	  FLD_ARRAY|FLD_COUNT|FLD_SKIPALL, TYP_NONE },
>  	{ "crtime", FLDT_TIMESTAMP, OI(COFF(crtime)), C1, 0, TYP_NONE },
>  	{ "inumber", FLDT_INO, OI(COFF(ino)), C1, 0, TYP_NONE },
>  	{ "uuid", FLDT_UUID, OI(COFF(uuid)), C1, 0, TYP_NONE },
> @@ -410,6 +415,25 @@ inode_core_projid_count(
>  	return dic->di_version >= 2;
>  }
>  
> +static int
> +inode_v3_64bitext_count(
> +	void		*obj,
> +	int		startoff)
> +{
> +	return xfs_sb_version_hasextcount_64bit(&mp->m_sb);
> +}
> +
> +static int
> +inode_v3_pad2_count(
> +	void		*obj,
> +	int		startoff)
> +{
> +	if (xfs_sb_version_hasextcount_64bit(&mp->m_sb))
> +		return 4;
> +	else
> +		return 12;
> +}
> +
>  static int
>  inode_f(
>  	int		argc,
> diff --git a/include/libxlog.h b/include/libxlog.h
> index adaa9963c..fe30481cf 100644
> --- a/include/libxlog.h
> +++ b/include/libxlog.h
> @@ -89,13 +89,15 @@ extern int	xlog_find_tail(struct xlog *log, xfs_daddr_t *head_blk,
>  
>  extern int	xlog_recover(struct xlog *log, int readonly);
>  extern void	xlog_recover_print_data(char *p, int len);
> -extern void	xlog_recover_print_logitem(struct xlog_recover_item *item);
> +extern void	xlog_recover_print_logitem(struct xlog *log,
> +			struct xlog_recover_item *item);
>  extern void	xlog_recover_print_trans_head(struct xlog_recover *tr);
>  extern int	xlog_print_find_oldest(struct xlog *log, xfs_daddr_t *last_blk);
>  
>  /* for transactional view */
>  extern void	xlog_recover_print_trans_head(struct xlog_recover *tr);
> -extern void	xlog_recover_print_trans(struct xlog_recover *trans,
> +extern void	xlog_recover_print_trans(struct xlog *log,
> +				struct xlog_recover *trans,
>  				struct list_head *itemq, int print);
>  extern int	xlog_do_recovery_pass(struct xlog *log, xfs_daddr_t head_blk,
>  				xfs_daddr_t tail_blk, int pass);
> diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c
> index dd60d8105..155d1e935 100644
> --- a/libxfs/xfs_bmap.c
> +++ b/libxfs/xfs_bmap.c
> @@ -47,18 +47,16 @@ xfs_bmap_compute_maxlevels(
>  	int		whichfork)	/* data or attr fork */
>  {
>  	xfs_extnum_t	maxleafents;	/* max leaf entries possible */
> +	uint64_t	maxblocks;	/* max blocks at this level */
>  	int		level;		/* btree level */
> -	uint		maxblocks;	/* max blocks at this level */
>  	int		maxrootrecs;	/* max records in root block */
>  	int		minleafrecs;	/* min records in leaf block */
>  	int		minnoderecs;	/* min records in node block */
>  	int		sz;		/* root block size */
>  
>  	/*
> -	 * The maximum number of extents in a file, hence the maximum number of
> -	 * leaf entries, is controlled by the size of the on-disk extent count,
> -	 * either a signed 32-bit number for the data fork, or a signed 16-bit
> -	 * number for the attr fork.
> +	 * The maximum number of extents in a fork, hence the maximum number of
> +         * leaf entries, is controlled by the size of the on-disk extent count.
>  	 *
>  	 * Note that we can no longer assume that if we are in ATTR1 that the
>  	 * fork offset of all the inodes will be
> diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h
> index 6564bc135..db3085974 100644
> --- a/libxfs/xfs_format.h
> +++ b/libxfs/xfs_format.h
> @@ -485,13 +485,15 @@ xfs_sb_has_ro_compat_feature(
>  #define XFS_SB_FEAT_INCOMPAT_BIGTIME	(1 << 3)	/* large timestamps */
>  #define XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR (1 << 4)	/* needs xfs_repair */
>  #define XFS_SB_FEAT_INCOMPAT_METADIR	(1 << 5)	/* metadata dir tree */
> +#define XFS_SB_FEAT_INCOMPAT_EXTCOUNT_64BIT (1 << 6) 	/* 64-bit inode fork extent counters */

Extra space                                      here ^^^

>  #define XFS_SB_FEAT_INCOMPAT_ALL \
>  		(XFS_SB_FEAT_INCOMPAT_FTYPE|	\
>  		 XFS_SB_FEAT_INCOMPAT_SPINODES|	\
>  		 XFS_SB_FEAT_INCOMPAT_META_UUID| \
>  		 XFS_SB_FEAT_INCOMPAT_BIGTIME| \
>  		 XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR| \
> -		 XFS_SB_FEAT_INCOMPAT_METADIR)
> +		 XFS_SB_FEAT_INCOMPAT_METADIR| \
> +		 XFS_SB_FEAT_INCOMPAT_EXTCOUNT_64BIT)

Adding NREXT64 to XFS_SB_FEAT_INCOMPAT_ALL should be a separate patch
just prior to the mkfs patch so that anyone trying to bisect the kernel
or xfsprogs on a system with nrext64 enabled will not land in the middle
of your patchset.  We really do not want bisect runners to end up with
half-brained tools that think they can touch the filesystem.

>  #define XFS_SB_FEAT_INCOMPAT_UNKNOWN	~XFS_SB_FEAT_INCOMPAT_ALL
>  static inline bool
> @@ -591,6 +593,12 @@ static inline bool xfs_sb_version_hasmetauuid(struct xfs_sb *sbp)
>  		(sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_META_UUID);
>  }
>  
> +static inline bool xfs_sb_version_hasextcount_64bit(struct xfs_sb *sbp)
> +{
> +	return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) &&
> +		(sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_EXTCOUNT_64BIT);
> +}
> +
>  static inline bool xfs_sb_version_hasrmapbt(struct xfs_sb *sbp)
>  {
>  	return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) &&
> @@ -1057,7 +1065,8 @@ typedef struct xfs_dinode {
>  	__be64		di_lsn;		/* flush sequence */
>  	__be64		di_flags2;	/* more random flags */
>  	__be32		di_cowextsize;	/* basic cow extent size for file */
> -	__u8		di_pad2[12];	/* more padding for future expansion */
> +	__u8		di_pad2[4];	/* more padding for future expansion */
> +	__be64		di_nextents64;	/* 64-bit extent counter */
>  
>  	/* fields only written to during inode creation */
>  	xfs_timestamp_t	di_crtime;	/* time created */
> @@ -1113,6 +1122,8 @@ enum xfs_dinode_fmt {
>   * Max values for extlen, disk inode's extent counters.
>   */
>  #define	MAXEXTLEN		((uint32_t)0x1fffff) /* 21 bits */
> +#define XFS_IFORK_EXTCNT_MAXU48	((uint64_t)0xffffffffffff) /* Unsigned 48-bits */
> +#define XFS_IFORK_EXTCNT_MAXU32	((uint32_t)0xffffffff) 	/* Unsigned 32-bits */

Nit: extra space                                        here ^^^

--D

>  #define XFS_IFORK_EXTCNT_MAXS32 ((int32_t)0x7fffffff)  /* Signed 32-bits */
>  #define XFS_IFORK_EXTCNT_MAXS16 ((int16_t)0x7fff)      /* Signed 16-bits */
>  
> diff --git a/libxfs/xfs_inode_buf.c b/libxfs/xfs_inode_buf.c
> index 95fd95cc0..25877251f 100644
> --- a/libxfs/xfs_inode_buf.c
> +++ b/libxfs/xfs_inode_buf.c
> @@ -288,6 +288,7 @@ xfs_inode_to_disk(
>  	struct xfs_dinode	*to,
>  	xfs_lsn_t		lsn)
>  {
> +	struct xfs_sb		*sbp = &ip->i_mount->m_sb;
>  	struct inode		*inode = VFS_I(ip);
>  
>  	to->di_magic = cpu_to_be16(XFS_DINODE_MAGIC);
> @@ -307,11 +308,9 @@ xfs_inode_to_disk(
>  	to->di_gen = cpu_to_be32(inode->i_generation);
>  	to->di_mode = cpu_to_be16(inode->i_mode);
>  
> -	to->di_size = cpu_to_be64(ip->i_disk_size);
> +        to->di_size = cpu_to_be64(ip->i_disk_size);
>  	to->di_nblocks = cpu_to_be64(ip->i_nblocks);
>  	to->di_extsize = cpu_to_be32(ip->i_extsize);
> -	to->di_nextents32 = cpu_to_be32(xfs_ifork_nextents(&ip->i_df));
> -	to->di_nextents16 = cpu_to_be16(xfs_ifork_nextents(ip->i_afp));
>  	to->di_forkoff = ip->i_forkoff;
>  	to->di_aformat = xfs_ifork_format(ip->i_afp);
>  	to->di_flags = cpu_to_be16(ip->i_diflags);
> @@ -331,6 +330,19 @@ xfs_inode_to_disk(
>  		to->di_version = 2;
>  		to->di_flushiter = cpu_to_be16(ip->i_flushiter);
>  	}
> +
> +	if (xfs_sb_version_hasextcount_64bit(sbp)) {
> +		to->di_nextents64 = cpu_to_be64(xfs_ifork_nextents(&ip->i_df));
> +		to->di_nextents32 = cpu_to_be32(xfs_ifork_nextents(ip->i_afp));
> +		/*
> +		 * xchk_dinode() passes an uninitialized disk inode. Hence,
> +		 * clear di_nextents16 field explicitly.
> +		 */
> +		to->di_nextents16 = cpu_to_be16(0);
> +	} else {
> +		to->di_nextents32 = cpu_to_be32(xfs_ifork_nextents(&ip->i_df));
> +		to->di_nextents16 = cpu_to_be16(xfs_ifork_nextents(ip->i_afp));
> +	}
>  }
>  
>  static xfs_failaddr_t
> @@ -383,14 +395,22 @@ xfs_dfork_nextents(
>  	xfs_extnum_t		*nextents)
>  {
>  	int			error = 0;
> +	bool			has_64bit_extcnt;
> +
> +	has_64bit_extcnt = xfs_sb_version_hasextcount_64bit(&mp->m_sb);
> +
> +	if (has_64bit_extcnt && dip->di_nextents16 != 0)
> +		return -EFSCORRUPTED;
>  
>  	switch (whichfork) {
>  	case XFS_DATA_FORK:
> -		*nextents = be32_to_cpu(dip->di_nextents32);
> +		*nextents = has_64bit_extcnt ? be64_to_cpu(dip->di_nextents64)
> +			: be32_to_cpu(dip->di_nextents32);
>  		break;
>  
>  	case XFS_ATTR_FORK:
> -		*nextents = be16_to_cpu(dip->di_nextents16);
> +		*nextents = has_64bit_extcnt ? be32_to_cpu(dip->di_nextents32)
> +			: be16_to_cpu(dip->di_nextents16);
>  		break;
>  
>  	default:
> diff --git a/libxfs/xfs_inode_fork.h b/libxfs/xfs_inode_fork.h
> index 1eda21636..cc8145941 100644
> --- a/libxfs/xfs_inode_fork.h
> +++ b/libxfs/xfs_inode_fork.h
> @@ -135,10 +135,20 @@ static inline int8_t xfs_ifork_format(struct xfs_ifork *ifp)
>  
>  static inline xfs_extnum_t xfs_iext_max(struct xfs_mount *mp, int whichfork)
>  {
> -	if (whichfork == XFS_DATA_FORK || whichfork == XFS_COW_FORK)
> -		return XFS_IFORK_EXTCNT_MAXS32;
> -	else
> -		return XFS_IFORK_EXTCNT_MAXS16;
> +	bool has_64bit_extcnt = xfs_sb_version_hasextcount_64bit(&mp->m_sb);
> +
> +	switch (whichfork) {
> +	case XFS_DATA_FORK:
> +	case XFS_COW_FORK:
> +		return has_64bit_extcnt ? XFS_IFORK_EXTCNT_MAXU48 : XFS_IFORK_EXTCNT_MAXS32;
> +
> +	case XFS_ATTR_FORK:
> +		return has_64bit_extcnt ? XFS_IFORK_EXTCNT_MAXU32 : XFS_IFORK_EXTCNT_MAXS16;
> +
> +	default:
> +		ASSERT(0);
> +		return 0;
> +	}
>  }
>  
>  struct xfs_ifork *xfs_ifork_alloc(enum xfs_dinode_fmt format,
> diff --git a/libxfs/xfs_log_format.h b/libxfs/xfs_log_format.h
> index ca8e4ad83..9b5d64708 100644
> --- a/libxfs/xfs_log_format.h
> +++ b/libxfs/xfs_log_format.h
> @@ -420,7 +420,8 @@ struct xfs_log_dinode {
>  	xfs_lsn_t	di_lsn;		/* flush sequence */
>  	uint64_t	di_flags2;	/* more random flags */
>  	uint32_t	di_cowextsize;	/* basic cow extent size for file */
> -	uint8_t		di_pad2[12];	/* more padding for future expansion */
> +	uint8_t		di_pad2[4];	/* more padding for future expansion */
> +	uint64_t	di_nextents64; /* higher part of data fork extent count */
>  
>  	/* fields only written to during inode creation */
>  	xfs_log_timestamp_t di_crtime;	/* time created */
> diff --git a/logprint/log_misc.c b/logprint/log_misc.c
> index 4e8760c43..1fb580c58 100644
> --- a/logprint/log_misc.c
> +++ b/logprint/log_misc.c
> @@ -438,8 +438,11 @@ xlog_print_trans_qoff(char **ptr, uint len)
>  
>  static void
>  xlog_print_trans_inode_core(
> +	struct xfs_mount	*mp,
>  	struct xfs_log_dinode	*ip)
>  {
> +    xfs_extnum_t		nextents;
> +
>      printf(_("INODE CORE\n"));
>      printf(_("magic 0x%hx mode 0%ho version %d format %d\n"),
>  	   ip->di_magic, ip->di_mode, (int)ip->di_version,
> @@ -450,11 +453,21 @@ xlog_print_trans_inode_core(
>  		xlog_extract_dinode_ts(ip->di_atime),
>  		xlog_extract_dinode_ts(ip->di_mtime),
>  		xlog_extract_dinode_ts(ip->di_ctime));
> -    printf(_("size 0x%llx nblocks 0x%llx extsize 0x%x nextents 0x%x\n"),
> +
> +    if (xfs_sb_version_hasextcount_64bit(&mp->m_sb))
> +	    nextents = ip->di_nextents64;
> +    else
> +	    nextents = ip->di_nextents32;
> +    printf(_("size 0x%llx nblocks 0x%llx extsize 0x%x nextents 0x%lx\n"),
>  	   (unsigned long long)ip->di_size, (unsigned long long)ip->di_nblocks,
> -	   ip->di_extsize, ip->di_nextents32);
> -    printf(_("naextents 0x%x forkoff %d dmevmask 0x%x dmstate 0x%hx\n"),
> -	   ip->di_nextents16, (int)ip->di_forkoff, ip->di_dmevmask,
> +	   ip->di_extsize, nextents);
> +
> +    if (xfs_sb_version_hasextcount_64bit(&mp->m_sb))
> +	    nextents = ip->di_nextents32;
> +    else
> +	    nextents = ip->di_nextents16;
> +    printf(_("naextents 0x%lx forkoff %d dmevmask 0x%x dmstate 0x%hx\n"),
> +	   nextents, (int)ip->di_forkoff, ip->di_dmevmask,
>  	   ip->di_dmstate);
>      printf(_("flags 0x%x gen 0x%x\n"),
>  	   ip->di_flags, ip->di_gen);
> @@ -564,7 +577,7 @@ xlog_print_trans_inode(
>      memmove(&dino, *ptr, sizeof(dino));
>      mode = dino.di_mode & S_IFMT;
>      size = (int)dino.di_size;
> -    xlog_print_trans_inode_core(&dino);
> +    xlog_print_trans_inode_core(log->l_mp, &dino);
>      *ptr += xfs_log_dinode_size(log->l_mp);
>      skip_count--;
>  
> diff --git a/logprint/log_print_all.c b/logprint/log_print_all.c
> index 403c56372..b528e1c57 100644
> --- a/logprint/log_print_all.c
> +++ b/logprint/log_print_all.c
> @@ -238,9 +238,14 @@ xlog_recover_print_dquot(
>  
>  STATIC void
>  xlog_recover_print_inode_core(
> +	struct xlog		*log,
>  	struct xfs_log_dinode	*di)
>  {
> -	printf(_("	CORE inode:\n"));
> +	struct xfs_sb		*sbp = &log->l_mp->m_sb;
> +	xfs_extnum_t		nextents;
> +	xfs_aextnum_t		anextents;
> +
> +        printf(_("	CORE inode:\n"));
>  	if (!print_inode)
>  		return;
>  	printf(_("		magic:%c%c  mode:0x%x  ver:%d  format:%d\n"),
> @@ -254,10 +259,21 @@ xlog_recover_print_inode_core(
>  			xlog_extract_dinode_ts(di->di_mtime),
>  			xlog_extract_dinode_ts(di->di_ctime));
>  	printf(_("		flushiter:%d\n"), di->di_flushiter);
> +
> +	if (xfs_sb_version_hasextcount_64bit(sbp))
> +		nextents = di->di_nextents64;
> +	else
> +		nextents = di->di_nextents32;
> +
> +	if (xfs_sb_version_hasextcount_64bit(sbp))
> +		anextents = di->di_nextents32;
> +	else
> +		anextents = di->di_nextents16;
> +
>  	printf(_("		size:0x%llx  nblks:0x%llx  exsize:%d  "
> -	     "nextents:%d  anextents:%d\n"), (unsigned long long)
> +	     "nextents:%lu  anextents:%u\n"), (unsigned long long)
>  	       di->di_size, (unsigned long long)di->di_nblocks,
> -	       di->di_extsize, di->di_nextents32, (int)di->di_nextents16);
> +	       di->di_extsize, nextents, anextents);
>  	printf(_("		forkoff:%d  dmevmask:0x%x  dmstate:%d  flags:0x%x  "
>  	     "gen:%u\n"),
>  	       (int)di->di_forkoff, di->di_dmevmask, (int)di->di_dmstate,
> @@ -270,6 +286,7 @@ xlog_recover_print_inode_core(
>  
>  STATIC void
>  xlog_recover_print_inode(
> +	struct xlog		*log,
>  	struct xlog_recover_item *item)
>  {
>  	struct xfs_inode_log_format	f_buf;
> @@ -291,7 +308,7 @@ xlog_recover_print_inode(
>  	ASSERT(item->ri_buf[1].i_len ==
>  			offsetof(struct xfs_log_dinode, di_next_unlinked) ||
>  	       item->ri_buf[1].i_len == sizeof(struct xfs_log_dinode));
> -	xlog_recover_print_inode_core((struct xfs_log_dinode *)
> +	xlog_recover_print_inode_core(log, (struct xfs_log_dinode *)
>  				      item->ri_buf[1].i_addr);
>  
>  	hasdata = (f->ilf_fields & XFS_ILOG_DFORK) != 0;
> @@ -386,6 +403,7 @@ xlog_recover_print_icreate(
>  
>  void
>  xlog_recover_print_logitem(
> +	struct xlog			*log,
>  	struct xlog_recover_item	*item)
>  {
>  	switch (ITEM_TYPE(item)) {
> @@ -396,7 +414,7 @@ xlog_recover_print_logitem(
>  		xlog_recover_print_icreate(item);
>  		break;
>  	case XFS_LI_INODE:
> -		xlog_recover_print_inode(item);
> +		xlog_recover_print_inode(log, item);
>  		break;
>  	case XFS_LI_EFD:
>  		xlog_recover_print_efd(item);
> @@ -442,6 +460,7 @@ xlog_recover_print_logitem(
>  
>  static void
>  xlog_recover_print_item(
> +	struct xlog		*log,
>  	struct xlog_recover_item *item)
>  {
>  	int			i;
> @@ -507,11 +526,12 @@ xlog_recover_print_item(
>  		       (long)item->ri_buf[i].i_addr, item->ri_buf[i].i_len);
>  	}
>  	printf("\n");
> -	xlog_recover_print_logitem(item);
> +	xlog_recover_print_logitem(log, item);
>  }
>  
>  void
>  xlog_recover_print_trans(
> +	struct xlog		*log,
>  	struct xlog_recover	*trans,
>  	struct list_head	*itemq,
>  	int			print)
> @@ -524,5 +544,5 @@ xlog_recover_print_trans(
>  	print_xlog_record_line();
>  	xlog_recover_print_trans_head(trans);
>  	list_for_each_entry(item, itemq, ri_list)
> -		xlog_recover_print_item(item);
> +		xlog_recover_print_item(log, item);
>  }
> diff --git a/logprint/log_print_trans.c b/logprint/log_print_trans.c
> index 2004b5a0e..c6386fb0c 100644
> --- a/logprint/log_print_trans.c
> +++ b/logprint/log_print_trans.c
> @@ -24,7 +24,7 @@ xlog_recover_do_trans(
>  	struct xlog_recover	*trans,
>  	int			pass)
>  {
> -	xlog_recover_print_trans(trans, &trans->r_itemq, 3);
> +	xlog_recover_print_trans(log, trans, &trans->r_itemq, 3);
>  	return 0;
>  }
>  
> diff --git a/repair/bmap_repair.c b/repair/bmap_repair.c
> index f41a18f00..a9fca82f1 100644
> --- a/repair/bmap_repair.c
> +++ b/repair/bmap_repair.c
> @@ -536,7 +536,10 @@ rebuild_bmap(
>  		if (nextents == 0)
>  			return 0;
>  		(*dinop)->di_format = XFS_DINODE_FMT_EXTENTS;
> -		(*dinop)->di_nextents32 = 0;
> +		if (xfs_sb_version_hasextcount_64bit(&mp->m_sb))
> +			(*dinop)->di_nextents64 = cpu_to_be64(0);
> +		else
> +			(*dinop)->di_nextents32 = cpu_to_be32(0);
>  		libxfs_dinode_calc_crc(mp, *dinop);
>  		*dirty = 1;
>  		break;
> @@ -547,7 +550,10 @@ rebuild_bmap(
>  		if (nextents == 0)
>  			return 0;
>  		(*dinop)->di_aformat = XFS_DINODE_FMT_EXTENTS;
> -		(*dinop)->di_nextents16 = 0;
> +		if (xfs_sb_version_hasextcount_64bit(&mp->m_sb))
> +			(*dinop)->di_nextents32 = cpu_to_be32(0);
> +		else
> +			(*dinop)->di_nextents16 = cpu_to_be16(0);
>  		libxfs_dinode_calc_crc(mp, *dinop);
>  		*dirty = 1;
>  		break;
> diff --git a/repair/dinode.c b/repair/dinode.c
> index beeb9ed07..5d2dff70a 100644
> --- a/repair/dinode.c
> +++ b/repair/dinode.c
> @@ -78,7 +78,10 @@ _("would have cleared inode %" PRIu64 " attributes\n"), ino_num);
>  	if (anextents != 0) {
>  		if (no_modify)
>  			return(1);
> -		dino->di_nextents16 = cpu_to_be16(0);
> +		if (xfs_sb_version_hasextcount_64bit(&mp->m_sb))
> +			dino->di_nextents32 = cpu_to_be32(0);
> +		else
> +			dino->di_nextents16 = cpu_to_be16(0);
>  	}
>  
>  	if (dino->di_aformat != XFS_DINODE_FMT_EXTENTS)  {
> @@ -1870,7 +1873,10 @@ _("too many data fork extents (%" PRIu64 ") in inode %" PRIu64 "\n"),
>  			do_warn(
>  _("correcting nextents for inode %" PRIu64 ", was %lu - counted %" PRIu64 "\n"),
>  				lino, dnextents, nextents);
> -			dino->di_nextents32 = cpu_to_be32(nextents);
> +			if (xfs_sb_version_hasextcount_64bit(&mp->m_sb))
> +				dino->di_nextents64 = cpu_to_be64(nextents);
> +			else
> +				dino->di_nextents32 = cpu_to_be32(nextents);
>  			*dirty = 1;
>  		} else  {
>  			do_warn(
> @@ -1894,7 +1900,10 @@ _("too many attr fork extents (%" PRIu64 ") in inode %" PRIu64 "\n"),
>  			do_warn(
>  _("correcting anextents for inode %" PRIu64 ", was %lu - counted %" PRIu64 "\n"),
>  				lino, dnextents, anextents);
> -			dino->di_nextents16 = cpu_to_be16(anextents);
> +			if (xfs_sb_version_hasextcount_64bit(&mp->m_sb))
> +				dino->di_nextents32 = cpu_to_be32(anextents);
> +			else
> +				dino->di_nextents16 = cpu_to_be16(anextents);
>  			*dirty = 1;
>  		} else  {
>  			do_warn(
> -- 
> 2.30.2
> 



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