libxfs: refactor manage_zones()

[thirdparty/xfsprogs-dev.git] / libxfs / xfs_ialloc.h

diff --git a/libxfs/xfs_ialloc.h b/libxfs/xfs_ialloc.h
index 95ad1c002d600916f983806cdb6a484712f0a84b..e936b7cc93893061f11ac7338ad7a9ba8f01ae27 100644 (file)
--- a/libxfs/xfs_ialloc.h
+++ b/libxfs/xfs_ialloc.h
@@ -1,19 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * 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_IALLOC_H__
 #define        __XFS_IALLOC_H__
@@ -28,6 +16,13 @@ struct xfs_btree_cur;
 /* Move inodes in clusters of this size */
 #define        XFS_INODE_BIG_CLUSTER_SIZE      8192
 
+struct xfs_icluster {
+       bool            deleted;        /* record is deleted */
+       xfs_ino_t       first_ino;      /* first inode number */
+       uint64_t        alloc;          /* inode phys. allocation bitmap for
+                                        * sparse chunks */
+};
+
 /* Calculate and return the number of filesystem blocks per inode cluster */
 static inline int
 xfs_icluster_size_fsb(
@@ -44,8 +39,7 @@ xfs_icluster_size_fsb(
 static inline struct xfs_dinode *
 xfs_make_iptr(struct xfs_mount *mp, struct xfs_buf *b, int o)
 {
-       return (struct xfs_dinode *)
-               (xfs_buf_offset(b, o << (mp)->m_sb.sb_inodelog));
+       return xfs_buf_offset(b, o << (mp)->m_sb.sb_inodelog);
 }
 
 /*
@@ -75,7 +69,6 @@ xfs_dialloc(
        struct xfs_trans *tp,           /* transaction pointer */
        xfs_ino_t       parent,         /* parent inode (directory) */
        umode_t         mode,           /* mode bits for new inode */
-       int             okalloc,        /* ok to allocate more space */
        struct xfs_buf  **agbp,         /* buf for a.g. inode header */
        xfs_ino_t       *inop);         /* inode number allocated */
 
@@ -89,9 +82,7 @@ int                                   /* error */
 xfs_difree(
        struct xfs_trans *tp,           /* transaction pointer */
        xfs_ino_t       inode,          /* inode to be freed */
-       struct xfs_bmap_free *flist,    /* extents to free */
-       int             *deleted,       /* set if inode cluster was deleted */
-       xfs_ino_t       *first_ino);    /* first inode in deleted cluster */
+       struct xfs_icluster *ifree);    /* cluster info if deleted */
 
 /*
  * Return the location of the inode in imap, for mapping it into a buffer.
@@ -156,8 +147,26 @@ int xfs_inobt_get_rec(struct xfs_btree_cur *cur,
  * Inode chunk initialisation routine
  */
 int xfs_ialloc_inode_init(struct xfs_mount *mp, struct xfs_trans *tp,
-                         struct list_head *buffer_list,
+                         struct list_head *buffer_list, int icount,
                          xfs_agnumber_t agno, xfs_agblock_t agbno,
                          xfs_agblock_t length, unsigned int gen);
 
+int xfs_read_agi(struct xfs_mount *mp, struct xfs_trans *tp,
+               xfs_agnumber_t agno, struct xfs_buf **bpp);
+
+union xfs_btree_rec;
+void xfs_inobt_btrec_to_irec(struct xfs_mount *mp, union xfs_btree_rec *rec,
+               struct xfs_inobt_rec_incore *irec);
+int xfs_ialloc_has_inodes_at_extent(struct xfs_btree_cur *cur,
+               xfs_agblock_t bno, xfs_extlen_t len, bool *exists);
+int xfs_ialloc_has_inode_record(struct xfs_btree_cur *cur, xfs_agino_t low,
+               xfs_agino_t high, bool *exists);
+int xfs_ialloc_count_inodes(struct xfs_btree_cur *cur, xfs_agino_t *count,
+               xfs_agino_t *freecount);
+int xfs_inobt_insert_rec(struct xfs_btree_cur *cur, uint16_t holemask,
+               uint8_t count, int32_t freecount, xfs_inofree_t free,
+               int *stat);
+
+int xfs_ialloc_cluster_alignment(struct xfs_mount *mp);
+
 #endif /* __XFS_IALLOC_H__ */