From: Dave Chinner <dchinner@xxxxxxxxxx> The EFI/EFD item format definitions are shared with userspace. Split the out of header files that contain kernel only defintions to make it simple to shared them. Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx> --- include/Makefile | 8 +- include/libxlog.h | 2 +- include/xfs_extfree_item.h | 165 ------------------------------------- include/xfs_extfree_item_format.h | 101 +++++++++++++++++++++++ 4 files changed, 108 insertions(+), 168 deletions(-) delete mode 100644 include/xfs_extfree_item.h create mode 100644 include/xfs_extfree_item_format.h diff --git a/include/Makefile b/include/Makefile index b713884..2bd7fbe 100644 --- a/include/Makefile +++ b/include/Makefile @@ -24,8 +24,12 @@ QAHFILES = libxfs.h libxlog.h \ xfs_ag.h xfs_alloc.h xfs_alloc_btree.h xfs_arch.h xfs_attr_leaf.h \ xfs_attr_sf.h xfs_bit.h xfs_bmap.h xfs_bmap_btree.h xfs_btree.h \ xfs_btree_trace.h xfs_buf_item_format.h xfs_cksum.h xfs_da_btree.h \ - xfs_dinode.h xfs_dir2.h xfs_dir2_format.h \ - xfs_extfree_item.h xfs_ialloc.h xfs_ialloc_btree.h \ + xfs_dinode.h \ + xfs_dir2.h \ + xfs_dir2_format.h \ + xfs_extfree_item_format.h \ + xfs_ialloc.h \ + xfs_ialloc_btree.h \ xfs_icreate_item.h \ xfs_inode_buf.h \ xfs_inode_fork.h \ diff --git a/include/libxlog.h b/include/libxlog.h index 9227a3a..9570ae1 100644 --- a/include/libxlog.h +++ b/include/libxlog.h @@ -50,7 +50,7 @@ struct xlog { #include <xfs/xfs_log_recover.h> #include <xfs/xfs_buf_item_format.h> #include <xfs/xfs_inode_item_format.h> -#include <xfs/xfs_extfree_item.h> +#include <xfs/xfs_extfree_item_format.h> #include <xfs/xfs_icreate_item.h> typedef union { diff --git a/include/xfs_extfree_item.h b/include/xfs_extfree_item.h deleted file mode 100644 index 4322224..0000000 --- a/include/xfs_extfree_item.h +++ /dev/null @@ -1,165 +0,0 @@ -/* - * 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 __XFS_EXTFREE_ITEM_H__ -#define __XFS_EXTFREE_ITEM_H__ - -struct xfs_mount; -struct kmem_zone; - -typedef struct xfs_extent { - xfs_dfsbno_t ext_start; - 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 { - __uint64_t ext_start; - __uint32_t ext_len; -} __attribute__((packed)) xfs_extent_32_t; - -typedef struct xfs_extent_64 { - __uint64_t ext_start; - __uint32_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 - * size is given by efi_nextents. - */ -typedef struct xfs_efi_log_format { - __uint16_t efi_type; /* efi log item type */ - __uint16_t efi_size; /* size of this item */ - __uint32_t efi_nextents; /* # extents to free */ - __uint64_t efi_id; /* efi identifier */ - xfs_extent_t efi_extents[1]; /* array of extents to free */ -} xfs_efi_log_format_t; - -typedef struct xfs_efi_log_format_32 { - __uint16_t efi_type; /* efi log item type */ - __uint16_t efi_size; /* size of this item */ - __uint32_t 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 { - __uint16_t efi_type; /* efi log item type */ - __uint16_t efi_size; /* size of this item */ - __uint32_t 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 - * size is given by efd_nextents; - */ -typedef struct xfs_efd_log_format { - __uint16_t efd_type; /* efd log item type */ - __uint16_t efd_size; /* size of this item */ - __uint32_t efd_nextents; /* # of extents freed */ - __uint64_t efd_efi_id; /* id of corresponding efi */ - xfs_extent_t efd_extents[1]; /* array of extents freed */ -} xfs_efd_log_format_t; - -typedef struct xfs_efd_log_format_32 { - __uint16_t efd_type; /* efd log item type */ - __uint16_t efd_size; /* size of this item */ - __uint32_t 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 { - __uint16_t efd_type; /* efd log item type */ - __uint16_t efd_size; /* size of this item */ - __uint32_t 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__ - -/* - * Max number of extents in fast allocation path. - */ -#define XFS_EFI_MAX_FAST_EXTENTS 16 - -/* - * Define EFI flag bits. Manipulated by set/clear/test_bit operators. - */ -#define XFS_EFI_RECOVERED 1 - -/* - * This is the "extent free intention" log item. It is used to log the fact - * that some extents need to be free. It is used in conjunction with the - * "extent free done" log item described below. - * - * The EFI is reference counted so that it is not freed prior to both the EFI - * and EFD being committed and unpinned. This ensures that when the last - * reference goes away the EFI will always be in the AIL as it has been - * unpinned, regardless of whether the EFD is processed before or after the EFI. - */ -typedef struct xfs_efi_log_item { - xfs_log_item_t efi_item; - atomic_t efi_refcount; - atomic_t efi_next_extent; - unsigned long efi_flags; /* misc flags */ - xfs_efi_log_format_t efi_format; -} xfs_efi_log_item_t; - -/* - * This is the "extent free done" log item. It is used to log - * the fact that some extents earlier mentioned in an efi item - * have been freed. - */ -typedef struct xfs_efd_log_item { - xfs_log_item_t efd_item; - xfs_efi_log_item_t *efd_efip; - uint efd_next_extent; - xfs_efd_log_format_t efd_format; -} xfs_efd_log_item_t; - -/* - * Max number of extents in fast allocation path. - */ -#define XFS_EFD_MAX_FAST_EXTENTS 16 - -extern struct kmem_zone *xfs_efi_zone; -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__ */ - -#endif /* __XFS_EXTFREE_ITEM_H__ */ diff --git a/include/xfs_extfree_item_format.h b/include/xfs_extfree_item_format.h new file mode 100644 index 0000000..ddd1fbb --- /dev/null +++ b/include/xfs_extfree_item_format.h @@ -0,0 +1,101 @@ +/* + * 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 __XFS_EXTFREE_ITEM_FORMAT_H__ +#define __XFS_EXTFREE_ITEM_FORMAT_H__ + +typedef struct xfs_extent { + xfs_dfsbno_t ext_start; + 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 { + __uint64_t ext_start; + __uint32_t ext_len; +} __attribute__((packed)) xfs_extent_32_t; + +typedef struct xfs_extent_64 { + __uint64_t ext_start; + __uint32_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 + * size is given by efi_nextents. + */ +typedef struct xfs_efi_log_format { + __uint16_t efi_type; /* efi log item type */ + __uint16_t efi_size; /* size of this item */ + __uint32_t efi_nextents; /* # extents to free */ + __uint64_t efi_id; /* efi identifier */ + xfs_extent_t efi_extents[1]; /* array of extents to free */ +} xfs_efi_log_format_t; + +typedef struct xfs_efi_log_format_32 { + __uint16_t efi_type; /* efi log item type */ + __uint16_t efi_size; /* size of this item */ + __uint32_t 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 { + __uint16_t efi_type; /* efi log item type */ + __uint16_t efi_size; /* size of this item */ + __uint32_t 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 + * size is given by efd_nextents; + */ +typedef struct xfs_efd_log_format { + __uint16_t efd_type; /* efd log item type */ + __uint16_t efd_size; /* size of this item */ + __uint32_t efd_nextents; /* # of extents freed */ + __uint64_t efd_efi_id; /* id of corresponding efi */ + xfs_extent_t efd_extents[1]; /* array of extents freed */ +} xfs_efd_log_format_t; + +typedef struct xfs_efd_log_format_32 { + __uint16_t efd_type; /* efd log item type */ + __uint16_t efd_size; /* size of this item */ + __uint32_t 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 { + __uint16_t efd_type; /* efd log item type */ + __uint16_t efd_size; /* size of this item */ + __uint32_t 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; + +#endif /* __XFS_EXTFREE_ITEM_FORMAT_H__ */ -- 1.7.10.4 _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs