From: Christoph Hellwig Date: Wed, 22 Jan 2020 16:29:41 +0000 (-0500) Subject: xfs: move incore structures out of xfs_da_format.h X-Git-Tag: v5.5.0-rc0~76 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=bd045c51e45667e02e81670e8ff0fc6ae976f048;p=users%2Fhch%2Fxfsprogs.git xfs: move incore structures out of xfs_da_format.h Source kernel commit: a39f089a25e75c3d17b955d8eb8bc781f23364f3 Move the abstract in-memory version of various btree block headers out of xfs_da_format.h as they aren't on-disk formats. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong Signed-off-by: Eric Sandeen --- diff --git a/include/libxfs.h b/include/libxfs.h index 7ffef9e1e..6462c7a74 100644 --- a/include/libxfs.h +++ b/include/libxfs.h @@ -52,6 +52,7 @@ struct iomap; #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_dir2.h" +#include "xfs_dir2_priv.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" diff --git a/libxfs/xfs_attr_leaf.h b/libxfs/xfs_attr_leaf.h index bb0880057..16208a774 100644 --- a/libxfs/xfs_attr_leaf.h +++ b/libxfs/xfs_attr_leaf.h @@ -16,6 +16,29 @@ struct xfs_da_state_blk; struct xfs_inode; struct xfs_trans; +/* + * Incore version of the attribute leaf header. + */ +struct xfs_attr3_icleaf_hdr { + uint32_t forw; + uint32_t back; + uint16_t magic; + uint16_t count; + uint16_t usedbytes; + /* + * Firstused is 32-bit here instead of 16-bit like the on-disk variant + * to support maximum fsb size of 64k without overflow issues throughout + * the attr code. Instead, the overflow condition is handled on + * conversion to/from disk. + */ + uint32_t firstused; + __u8 holes; + struct { + uint16_t base; + uint16_t size; + } freemap[XFS_ATTR_LEAF_MAPSIZE]; +}; + /* * Used to keep a list of "remote value" extents when unlinking an inode. */ diff --git a/libxfs/xfs_da_btree.h b/libxfs/xfs_da_btree.h index ae0bbd20d..02f7a21ab 100644 --- a/libxfs/xfs_da_btree.h +++ b/libxfs/xfs_da_btree.h @@ -124,6 +124,19 @@ typedef struct xfs_da_state { /* for dirv2 extrablk is data */ } xfs_da_state_t; +/* + * In-core version of the node header to abstract the differences in the v2 and + * v3 disk format of the headers. Callers need to convert to/from disk format as + * appropriate. + */ +struct xfs_da3_icnode_hdr { + uint32_t forw; + uint32_t back; + uint16_t magic; + uint16_t count; + uint16_t level; +}; + /* * Utility macros to aid in logging changed structure fields. */ diff --git a/libxfs/xfs_da_format.c b/libxfs/xfs_da_format.c index 443e31075..57f4e1855 100644 --- a/libxfs/xfs_da_format.c +++ b/libxfs/xfs_da_format.c @@ -13,6 +13,7 @@ #include "xfs_mount.h" #include "xfs_inode.h" #include "xfs_dir2.h" +#include "xfs_dir2_priv.h" /* * Shortform directory ops diff --git a/libxfs/xfs_da_format.h b/libxfs/xfs_da_format.h index 6702a0849..3dee33043 100644 --- a/libxfs/xfs_da_format.h +++ b/libxfs/xfs_da_format.h @@ -93,19 +93,6 @@ struct xfs_da3_intnode { struct xfs_da_node_entry __btree[]; }; -/* - * In-core version of the node header to abstract the differences in the v2 and - * v3 disk format of the headers. Callers need to convert to/from disk format as - * appropriate. - */ -struct xfs_da3_icnode_hdr { - uint32_t forw; - uint32_t back; - uint16_t magic; - uint16_t count; - uint16_t level; -}; - /* * Directory version 2. * @@ -434,14 +421,6 @@ struct xfs_dir3_leaf_hdr { __be32 pad; /* 64 bit alignment */ }; -struct xfs_dir3_icleaf_hdr { - uint32_t forw; - uint32_t back; - uint16_t magic; - uint16_t count; - uint16_t stale; -}; - /* * Leaf block entry. */ @@ -520,19 +499,6 @@ struct xfs_dir3_free { #define XFS_DIR3_FREE_CRC_OFF offsetof(struct xfs_dir3_free, hdr.hdr.crc) -/* - * In core version of the free block header, abstracted away from on-disk format - * differences. Use this in the code, and convert to/from the disk version using - * xfs_dir3_free_hdr_from_disk/xfs_dir3_free_hdr_to_disk. - */ -struct xfs_dir3_icfree_hdr { - uint32_t magic; - uint32_t firstdb; - uint32_t nvalid; - uint32_t nused; - -}; - /* * Single block format. * @@ -709,29 +675,6 @@ struct xfs_attr3_leafblock { */ }; -/* - * incore, neutral version of the attribute leaf header - */ -struct xfs_attr3_icleaf_hdr { - uint32_t forw; - uint32_t back; - uint16_t magic; - uint16_t count; - uint16_t usedbytes; - /* - * firstused is 32-bit here instead of 16-bit like the on-disk variant - * to support maximum fsb size of 64k without overflow issues throughout - * the attr code. Instead, the overflow condition is handled on - * conversion to/from disk. - */ - uint32_t firstused; - __u8 holes; - struct { - uint16_t base; - uint16_t size; - } freemap[XFS_ATTR_LEAF_MAPSIZE]; -}; - /* * Special value to represent fs block size in the leaf header firstused field. * Only used when block size overflows the 2-bytes available on disk. diff --git a/libxfs/xfs_dir2.h b/libxfs/xfs_dir2.h index f54244779..e170792c0 100644 --- a/libxfs/xfs_dir2.h +++ b/libxfs/xfs_dir2.h @@ -18,6 +18,8 @@ struct xfs_dir2_sf_entry; struct xfs_dir2_data_hdr; struct xfs_dir2_data_entry; struct xfs_dir2_data_unused; +struct xfs_dir3_icfree_hdr; +struct xfs_dir3_icleaf_hdr; extern struct xfs_name xfs_name_dotdot; diff --git a/libxfs/xfs_dir2_priv.h b/libxfs/xfs_dir2_priv.h index 59f9fb224..d2eaea663 100644 --- a/libxfs/xfs_dir2_priv.h +++ b/libxfs/xfs_dir2_priv.h @@ -8,6 +8,25 @@ struct dir_context; +/* + * In-core version of the leaf and free block headers to abstract the + * differences in the v2 and v3 disk format of the headers. + */ +struct xfs_dir3_icleaf_hdr { + uint32_t forw; + uint32_t back; + uint16_t magic; + uint16_t count; + uint16_t stale; +}; + +struct xfs_dir3_icfree_hdr { + uint32_t magic; + uint32_t firstdb; + uint32_t nvalid; + uint32_t nused; +}; + /* xfs_dir2.c */ extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space, xfs_dir2_db_t *dbp);