[XFS] inode items and EFI/EFDs have different ondisk format for 32bit and (6d192a9b) · Commits · e / devices / android_kernel_xiaomi_markw

fs/xfs/xfs_extfree_item.c

+56 −0

Original line number	Diff line number	Diff line
		@@ -293,6 +293,62 @@ xfs_efi_init(xfs_mount_t *mp,
		return (efip);
		}

		/*
		* Copy an EFI format buffer from the given buf, and into the destination
		* EFI format structure.
		* The given buffer can be in 32 bit or 64 bit form (which has different padding),
		* one of which will be the native format for this kernel.
		* It will handle the conversion of formats if necessary.
		*/
		int
		xfs_efi_copy_format(xfs_log_iovec_t buf, xfs_efi_log_format_t dst_efi_fmt)
		{
		xfs_efi_log_format_t src_efi_fmt = (xfs_efi_log_format_t )buf->i_addr;
		uint i;
		uint len = sizeof(xfs_efi_log_format_t) +
		(src_efi_fmt->efi_nextents - 1) * sizeof(xfs_extent_t);
		uint len32 = sizeof(xfs_efi_log_format_32_t) +
		(src_efi_fmt->efi_nextents - 1) * sizeof(xfs_extent_32_t);
		uint len64 = sizeof(xfs_efi_log_format_64_t) +
		(src_efi_fmt->efi_nextents - 1) * sizeof(xfs_extent_64_t);

		if (buf->i_len == len) {
		memcpy((char )dst_efi_fmt, (char)src_efi_fmt, len);
		return 0;
		} else if (buf->i_len == len32) {
		xfs_efi_log_format_32_t *src_efi_fmt_32 =
		(xfs_efi_log_format_32_t *)buf->i_addr;

		dst_efi_fmt->efi_type = src_efi_fmt_32->efi_type;
		dst_efi_fmt->efi_size = src_efi_fmt_32->efi_size;
		dst_efi_fmt->efi_nextents = src_efi_fmt_32->efi_nextents;
		dst_efi_fmt->efi_id = src_efi_fmt_32->efi_id;
		for (i = 0; i < dst_efi_fmt->efi_nextents; i++) {
		dst_efi_fmt->efi_extents[i].ext_start =
		src_efi_fmt_32->efi_extents[i].ext_start;
		dst_efi_fmt->efi_extents[i].ext_len =
		src_efi_fmt_32->efi_extents[i].ext_len;
		}
		return 0;
		} else if (buf->i_len == len64) {
		xfs_efi_log_format_64_t *src_efi_fmt_64 =
		(xfs_efi_log_format_64_t *)buf->i_addr;

		dst_efi_fmt->efi_type = src_efi_fmt_64->efi_type;
		dst_efi_fmt->efi_size = src_efi_fmt_64->efi_size;
		dst_efi_fmt->efi_nextents = src_efi_fmt_64->efi_nextents;
		dst_efi_fmt->efi_id = src_efi_fmt_64->efi_id;
		for (i = 0; i < dst_efi_fmt->efi_nextents; i++) {
		dst_efi_fmt->efi_extents[i].ext_start =
		src_efi_fmt_64->efi_extents[i].ext_start;
		dst_efi_fmt->efi_extents[i].ext_len =
		src_efi_fmt_64->efi_extents[i].ext_len;
		}
		return 0;
		}
		return EFSCORRUPTED;
		}

		/*
		* This is called by the efd item code below to release references to
		* the given efi item. Each efd calls this with the number of

fs/xfs/xfs_extfree_item.h

+52 −1

Original line number	Diff line number	Diff line
		@@ -26,6 +26,24 @@ typedef struct xfs_extent {
		xfs_extlen_t ext_len;
		} xfs_extent_t;

		/*
		* Since an xfs_extent_t has types (start:64, len: 32)
		* there are different alignments on 32 bit and 64 bit kernels.
		* So we provide the different variants for use by a
		* conversion routine.
		*/

		typedef struct xfs_extent_32 {
		xfs_dfsbno_t ext_start;
		xfs_extlen_t ext_len;
		} __attribute__((packed)) xfs_extent_32_t;

		typedef struct xfs_extent_64 {
		xfs_dfsbno_t ext_start;
		xfs_extlen_t ext_len;
		__uint32_t ext_pad;
		} xfs_extent_64_t;

		/*
		* This is the structure used to lay out an efi log item in the
		* log. The efi_extents field is a variable size array whose
		@@ -39,6 +57,22 @@ typedef struct xfs_efi_log_format {
		xfs_extent_t efi_extents[1]; /* array of extents to free */
		} xfs_efi_log_format_t;

		typedef struct xfs_efi_log_format_32 {
		unsigned short efi_type; /* efi log item type */
		unsigned short efi_size; /* size of this item */
		uint efi_nextents; /* # extents to free */
		__uint64_t efi_id; /* efi identifier */
		xfs_extent_32_t efi_extents[1]; /* array of extents to free */
		} __attribute__((packed)) xfs_efi_log_format_32_t;

		typedef struct xfs_efi_log_format_64 {
		unsigned short efi_type; /* efi log item type */
		unsigned short efi_size; /* size of this item */
		uint efi_nextents; /* # extents to free */
		__uint64_t efi_id; /* efi identifier */
		xfs_extent_64_t efi_extents[1]; /* array of extents to free */
		} xfs_efi_log_format_64_t;

		/*
		* This is the structure used to lay out an efd log item in the
		* log. The efd_extents array is a variable size array whose
		@@ -52,6 +86,22 @@ typedef struct xfs_efd_log_format {
		xfs_extent_t efd_extents[1]; /* array of extents freed */
		} xfs_efd_log_format_t;

		typedef struct xfs_efd_log_format_32 {
		unsigned short efd_type; /* efd log item type */
		unsigned short efd_size; /* size of this item */
		uint efd_nextents; /* # of extents freed */
		__uint64_t efd_efi_id; /* id of corresponding efi */
		xfs_extent_32_t efd_extents[1]; /* array of extents freed */
		} __attribute__((packed)) xfs_efd_log_format_32_t;

		typedef struct xfs_efd_log_format_64 {
		unsigned short efd_type; /* efd log item type */
		unsigned short efd_size; /* size of this item */
		uint efd_nextents; /* # of extents freed */
		__uint64_t efd_efi_id; /* id of corresponding efi */
		xfs_extent_64_t efd_extents[1]; /* array of extents freed */
		} xfs_efd_log_format_64_t;


		#ifdef __KERNEL__

		@@ -103,7 +153,8 @@ extern struct kmem_zone *xfs_efd_zone;
		xfs_efi_log_item_t xfs_efi_init(struct xfs_mount , uint);
		xfs_efd_log_item_t xfs_efd_init(struct xfs_mount , xfs_efi_log_item_t *,
		uint);

		int xfs_efi_copy_format(xfs_log_iovec_t *buf,
		xfs_efi_log_format_t *dst_efi_fmt);
		void xfs_efi_item_free(xfs_efi_log_item_t *);

		#endif /* __KERNEL__ */

fs/xfs/xfs_inode_item.c

+49 −0

Original line number	Diff line number	Diff line
		@@ -1084,3 +1084,52 @@ xfs_istale_done(
		{
		xfs_iflush_abort(iip->ili_inode);
		}

		/*
		* convert an xfs_inode_log_format struct from either 32 or 64 bit versions
		* (which can have different field alignments) to the native version
		*/
		int
		xfs_inode_item_format_convert(
		xfs_log_iovec_t *buf,
		xfs_inode_log_format_t *in_f)
		{
		if (buf->i_len == sizeof(xfs_inode_log_format_32_t)) {
		xfs_inode_log_format_32_t *in_f32;

		in_f32 = (xfs_inode_log_format_32_t *)buf->i_addr;
		in_f->ilf_type = in_f32->ilf_type;
		in_f->ilf_size = in_f32->ilf_size;
		in_f->ilf_fields = in_f32->ilf_fields;
		in_f->ilf_asize = in_f32->ilf_asize;
		in_f->ilf_dsize = in_f32->ilf_dsize;
		in_f->ilf_ino = in_f32->ilf_ino;
		/* copy biggest field of ilf_u */
		memcpy(in_f->ilf_u.ilfu_uuid.__u_bits,
		in_f32->ilf_u.ilfu_uuid.__u_bits,
		sizeof(uuid_t));
		in_f->ilf_blkno = in_f32->ilf_blkno;
		in_f->ilf_len = in_f32->ilf_len;
		in_f->ilf_boffset = in_f32->ilf_boffset;
		return 0;
		} else if (buf->i_len == sizeof(xfs_inode_log_format_64_t)){
		xfs_inode_log_format_64_t *in_f64;

		in_f64 = (xfs_inode_log_format_64_t *)buf->i_addr;
		in_f->ilf_type = in_f64->ilf_type;
		in_f->ilf_size = in_f64->ilf_size;
		in_f->ilf_fields = in_f64->ilf_fields;
		in_f->ilf_asize = in_f64->ilf_asize;
		in_f->ilf_dsize = in_f64->ilf_dsize;
		in_f->ilf_ino = in_f64->ilf_ino;
		/* copy biggest field of ilf_u */
		memcpy(in_f->ilf_u.ilfu_uuid.__u_bits,
		in_f64->ilf_u.ilfu_uuid.__u_bits,
		sizeof(uuid_t));
		in_f->ilf_blkno = in_f64->ilf_blkno;
		in_f->ilf_len = in_f64->ilf_len;
		in_f->ilf_boffset = in_f64->ilf_boffset;
		return 0;
		}
		return EFSCORRUPTED;
		}

fs/xfs/xfs_inode_item.h

+32 −29

Original line number	Diff line number	Diff line
		@@ -23,25 +23,6 @@
		* log. The size of the inline data/extents/b-tree root to be logged
		* (if any) is indicated in the ilf_dsize field. Changes to this structure
		* must be added on to the end.
		*
		* Convention for naming inode log item versions : The current version
		* is always named XFS_LI_INODE. When an inode log item gets superseded,
		* add the latest version of IRIX that will generate logs with that item
		* to the version name.
		*
		* -Version 1 of this structure (XFS_LI_5_3_INODE) included up to the first
		* union (ilf_u) field. This was released with IRIX 5.3-XFS.
		* -Version 2 of this structure (XFS_LI_6_1_INODE) is currently the entire
		* structure. This was released with IRIX 6.0.1-XFS and IRIX 6.1.
		* -Version 3 of this structure (XFS_LI_INODE) is the same as version 2
		* so a new structure definition wasn't necessary. However, we had
		* to add a new type because the inode cluster size changed from 4K
		* to 8K and the version number had to be rev'ved to keep older kernels
		* from trying to recover logs with the 8K buffers in them. The logging
		* code can handle recovery on different-sized clusters now so hopefully
		* this'll be the last time we need to change the inode log item just
		* for a change in the inode cluster size. This new version was
		* released with IRIX 6.2.
		*/
		typedef struct xfs_inode_log_format {
		unsigned short ilf_type; /* inode log item type */
		@@ -59,18 +40,38 @@ typedef struct xfs_inode_log_format {
		int ilf_boffset; /* off of inode in buffer */
		} xfs_inode_log_format_t;

		/* Initial version shipped with IRIX 5.3-XFS */
		typedef struct xfs_inode_log_format_v1 {
		unsigned short ilf_type; /* inode log item type */
		unsigned short ilf_size; /* size of this item */
		uint ilf_fields; /* flags for fields logged */
		uint ilf_dsize; /* size of data/ext/root */
		xfs_ino_t ilf_ino; /* inode number */
		typedef struct xfs_inode_log_format_32 {
		unsigned short ilf_type; /* 16: inode log item type */
		unsigned short ilf_size; /* 16: size of this item */
		uint ilf_fields; /* 32: flags for fields logged */
		ushort ilf_asize; /* 32: size of attr d/ext/root */
		ushort ilf_dsize; /* 32: size of data/ext/root */
		xfs_ino_t ilf_ino; /* 64: inode number */
		union {
		xfs_dev_t ilfu_rdev; /* rdev value for dev inode*/
		uuid_t ilfu_uuid; /* mount point value */
		xfs_dev_t ilfu_rdev; /* 32: rdev value for dev inode*/
		uuid_t ilfu_uuid; /* 128: mount point value */
		} ilf_u;
		__int64_t ilf_blkno; /* 64: blkno of inode buffer */
		int ilf_len; /* 32: len of inode buffer */
		int ilf_boffset; /* 32: off of inode in buffer */
		} __attribute__((packed)) xfs_inode_log_format_32_t;

		typedef struct xfs_inode_log_format_64 {
		unsigned short ilf_type; /* 16: inode log item type */
		unsigned short ilf_size; /* 16: size of this item */
		uint ilf_fields; /* 32: flags for fields logged */
		ushort ilf_asize; /* 32: size of attr d/ext/root */
		ushort ilf_dsize; /* 32: size of data/ext/root */
		__uint32_t ilf_pad; /* 32: pad for 64 bit boundary */
		xfs_ino_t ilf_ino; /* 64: inode number */
		union {
		xfs_dev_t ilfu_rdev; /* 32: rdev value for dev inode*/
		uuid_t ilfu_uuid; /* 128: mount point value */
		} ilf_u;
		} xfs_inode_log_format_t_v1;
		__int64_t ilf_blkno; /* 64: blkno of inode buffer */
		int ilf_len; /* 32: len of inode buffer */
		int ilf_boffset; /* 32: off of inode in buffer */
		} xfs_inode_log_format_64_t;

		/*
		* Flags for xfs_trans_log_inode flags field.
		@@ -172,6 +173,8 @@ extern void xfs_inode_item_destroy(struct xfs_inode *);
		extern void xfs_iflush_done(struct xfs_buf , xfs_inode_log_item_t );
		extern void xfs_istale_done(struct xfs_buf , xfs_inode_log_item_t );
		extern void xfs_iflush_abort(struct xfs_inode *);
		extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
		xfs_inode_log_format_t *);

		#endif /* __KERNEL__ */

fs/xfs/xfs_log_recover.c

+56 −31

Original line number	Diff line number	Diff line
		@@ -2292,12 +2292,22 @@ xlog_recover_do_inode_trans(
		int attr_index;
		uint fields;
		xfs_dinode_core_t *dicp;
		int need_free = 0;

		if (pass == XLOG_RECOVER_PASS1) {
		return 0;
		}

		if (item->ri_buf[0].i_len == sizeof(xfs_inode_log_format_t)) {
		in_f = (xfs_inode_log_format_t *)item->ri_buf[0].i_addr;
		} else {
		in_f = (xfs_inode_log_format_t *)kmem_alloc(
		sizeof(xfs_inode_log_format_t), KM_SLEEP);
		need_free = 1;
		error = xfs_inode_item_format_convert(&item->ri_buf[0], in_f);
		if (error)
		goto error;
		}
		ino = in_f->ilf_ino;
		mp = log->l_mp;
		if (ITEM_TYPE(item) == XFS_LI_INODE) {
		@@ -2323,8 +2333,10 @@ xlog_recover_do_inode_trans(
		* Inode buffers can be freed, look out for it,
		* and do not replay the inode.
		*/
		if (xlog_check_buffer_cancelled(log, imap.im_blkno, imap.im_len, 0))
		return 0;
		if (xlog_check_buffer_cancelled(log, imap.im_blkno, imap.im_len, 0)) {
		error = 0;
		goto error;
		}

		bp = xfs_buf_read_flags(mp->m_ddev_targp, imap.im_blkno, imap.im_len,
		XFS_BUF_LOCK);
		@@ -2333,7 +2345,7 @@ xlog_recover_do_inode_trans(
		bp, imap.im_blkno);
		error = XFS_BUF_GETERROR(bp);
		xfs_buf_relse(bp);
		return error;
		goto error;
		}
		error = 0;
		ASSERT(in_f->ilf_fields & XFS_ILOG_CORE);
		@@ -2350,7 +2362,8 @@ xlog_recover_do_inode_trans(
		dip, bp, ino);
		XFS_ERROR_REPORT("xlog_recover_do_inode_trans(1)",
		XFS_ERRLEVEL_LOW, mp);
		return XFS_ERROR(EFSCORRUPTED);
		error = EFSCORRUPTED;
		goto error;
		}
		dicp = (xfs_dinode_core_t*)(item->ri_buf[1].i_addr);
		if (unlikely(dicp->di_magic != XFS_DINODE_MAGIC)) {
		@@ -2360,7 +2373,8 @@ xlog_recover_do_inode_trans(
		item, ino);
		XFS_ERROR_REPORT("xlog_recover_do_inode_trans(2)",
		XFS_ERRLEVEL_LOW, mp);
		return XFS_ERROR(EFSCORRUPTED);
		error = EFSCORRUPTED;
		goto error;
		}

		/* Skip replay when the on disk inode is newer than the log one */
		@@ -2376,7 +2390,8 @@ xlog_recover_do_inode_trans(
		/* do nothing */
		} else {
		xfs_buf_relse(bp);
		return 0;
		error = 0;
		goto error;
		}
		}
		/* Take the opportunity to reset the flush iteration count */
		@@ -2391,7 +2406,8 @@ xlog_recover_do_inode_trans(
		xfs_fs_cmn_err(CE_ALERT, mp,
		"xfs_inode_recover: Bad regular inode log record, rec ptr 0x%p, ino ptr = 0x%p, ino bp = 0x%p, ino %Ld",
		item, dip, bp, ino);
		return XFS_ERROR(EFSCORRUPTED);
		error = EFSCORRUPTED;
		goto error;
		}
		} else if (unlikely((dicp->di_mode & S_IFMT) == S_IFDIR)) {
		if ((dicp->di_format != XFS_DINODE_FMT_EXTENTS) &&
		@@ -2403,7 +2419,8 @@ xlog_recover_do_inode_trans(
		xfs_fs_cmn_err(CE_ALERT, mp,
		"xfs_inode_recover: Bad dir inode log record, rec ptr 0x%p, ino ptr = 0x%p, ino bp = 0x%p, ino %Ld",
		item, dip, bp, ino);
		return XFS_ERROR(EFSCORRUPTED);
		error = EFSCORRUPTED;
		goto error;
		}
		}
		if (unlikely(dicp->di_nextents + dicp->di_anextents > dicp->di_nblocks)){
		@@ -2415,7 +2432,8 @@ xlog_recover_do_inode_trans(
		item, dip, bp, ino,
		dicp->di_nextents + dicp->di_anextents,
		dicp->di_nblocks);
		return XFS_ERROR(EFSCORRUPTED);
		error = EFSCORRUPTED;
		goto error;
		}
		if (unlikely(dicp->di_forkoff > mp->m_sb.sb_inodesize)) {
		XFS_CORRUPTION_ERROR("xlog_recover_do_inode_trans(6)",
		@@ -2424,7 +2442,8 @@ xlog_recover_do_inode_trans(
		xfs_fs_cmn_err(CE_ALERT, mp,
		"xfs_inode_recover: Bad inode log rec ptr 0x%p, dino ptr 0x%p, dino bp 0x%p, ino %Ld, forkoff 0x%x",
		item, dip, bp, ino, dicp->di_forkoff);
		return XFS_ERROR(EFSCORRUPTED);
		error = EFSCORRUPTED;
		goto error;
		}
		if (unlikely(item->ri_buf[1].i_len > sizeof(xfs_dinode_core_t))) {
		XFS_CORRUPTION_ERROR("xlog_recover_do_inode_trans(7)",
		@@ -2433,7 +2452,8 @@ xlog_recover_do_inode_trans(
		xfs_fs_cmn_err(CE_ALERT, mp,
		"xfs_inode_recover: Bad inode log record length %d, rec ptr 0x%p",
		item->ri_buf[1].i_len, item);
		return XFS_ERROR(EFSCORRUPTED);
		error = EFSCORRUPTED;
		goto error;
		}

		/* The core is in in-core format */
		@@ -2521,7 +2541,8 @@ xlog_recover_do_inode_trans(
		xlog_warn("XFS: xlog_recover_do_inode_trans: Invalid flag");
		ASSERT(0);
		xfs_buf_relse(bp);
		return XFS_ERROR(EIO);
		error = EIO;
		goto error;
		}
		}

		@@ -2537,7 +2558,10 @@ write_inode_buffer:
		error = xfs_bwrite(mp, bp);
		}

		return (error);
		error:
		if (need_free)
		kmem_free(in_f, sizeof(*in_f));
		return XFS_ERROR(error);
		}

		/*
		@@ -2674,32 +2698,32 @@ xlog_recover_do_dquot_trans(
		* structure into it, and adds the efi to the AIL with the given
		* LSN.
		*/
		STATIC void
		STATIC int
		xlog_recover_do_efi_trans(
		xlog_t *log,
		xlog_recover_item_t *item,
		xfs_lsn_t lsn,
		int pass)
		{
		int error;
		xfs_mount_t *mp;
		xfs_efi_log_item_t *efip;
		xfs_efi_log_format_t *efi_formatp;
		SPLDECL(s);

		if (pass == XLOG_RECOVER_PASS1) {
		return;
		return 0;
		}

		efi_formatp = (xfs_efi_log_format_t *)item->ri_buf[0].i_addr;
		ASSERT(item->ri_buf[0].i_len ==
		(sizeof(xfs_efi_log_format_t) +
		((efi_formatp->efi_nextents - 1) * sizeof(xfs_extent_t))));

		mp = log->l_mp;
		efip = xfs_efi_init(mp, efi_formatp->efi_nextents);
		memcpy((char )&(efip->efi_format), (char )efi_formatp,
		sizeof(xfs_efi_log_format_t) +
		((efi_formatp->efi_nextents - 1) * sizeof(xfs_extent_t)));
		if ((error = xfs_efi_copy_format(&(item->ri_buf[0]),
		&(efip->efi_format)))) {
		xfs_efi_item_free(efip);
		return error;
		}
		efip->efi_next_extent = efi_formatp->efi_nextents;
		efip->efi_flags \|= XFS_EFI_COMMITTED;

		@@ -2708,6 +2732,7 @@ xlog_recover_do_efi_trans(
		* xfs_trans_update_ail() drops the AIL lock.
		*/
		xfs_trans_update_ail(mp, (xfs_log_item_t *)efip, lsn, s);
		return 0;
		}


		@@ -2738,9 +2763,10 @@ xlog_recover_do_efd_trans(
		}

		efd_formatp = (xfs_efd_log_format_t *)item->ri_buf[0].i_addr;
		ASSERT(item->ri_buf[0].i_len ==
		(sizeof(xfs_efd_log_format_t) +
		((efd_formatp->efd_nextents - 1) * sizeof(xfs_extent_t))));
		ASSERT((item->ri_buf[0].i_len == (sizeof(xfs_efd_log_format_32_t) +
		((efd_formatp->efd_nextents - 1) * sizeof(xfs_extent_32_t)))) \|\|
		(item->ri_buf[0].i_len == (sizeof(xfs_efd_log_format_64_t) +
		((efd_formatp->efd_nextents - 1) * sizeof(xfs_extent_64_t)))));
		efi_id = efd_formatp->efd_efi_id;

		/*
		@@ -2810,15 +2836,14 @@ xlog_recover_do_trans(
		if ((error = xlog_recover_do_buffer_trans(log, item,
		pass)))
		break;
		} else if ((ITEM_TYPE(item) == XFS_LI_INODE) \|\|
		(ITEM_TYPE(item) == XFS_LI_6_1_INODE) \|\|
		(ITEM_TYPE(item) == XFS_LI_5_3_INODE)) {
		} else if ((ITEM_TYPE(item) == XFS_LI_INODE)) {
		if ((error = xlog_recover_do_inode_trans(log, item,
		pass)))
		break;
		} else if (ITEM_TYPE(item) == XFS_LI_EFI) {
		xlog_recover_do_efi_trans(log, item, trans->r_lsn,
		pass);
		if ((error = xlog_recover_do_efi_trans(log, item, trans->r_lsn,
		pass)))
		break;
		} else if (ITEM_TYPE(item) == XFS_LI_EFD) {
		xlog_recover_do_efd_trans(log, item, pass);
		} else if (ITEM_TYPE(item) == XFS_LI_DQUOT) {
		@@ -3798,7 +3823,7 @@ xlog_do_log_recovery(
		error = xlog_do_recovery_pass(log, head_blk, tail_blk,
		XLOG_RECOVER_PASS2);
		#ifdef DEBUG
		{
		if (!error) {
		int i;

		for (i = 0; i < XLOG_BC_TABLE_SIZE; i++)