xfs: merge xfs_ag.h into xfs_format.h

More on-disk format consolidation. A few declarations that weren't on-disk format related move into better suitable spots. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
author: Christoph Hellwig <hch@lst.de> 2014-11-27 22:25:04 -0500
committer: Dave Chinner <david@fromorbit.com> 2014-11-27 22:25:04 -0500
commit: 4fb6e8ade2c70ef1a13f358963b3298fd8b72bcc (patch)
tree: 1371b8f183f09bd1959c05bce7a928826f230391 /fs/xfs
parent: 5beda58bf269febe67eca91d5d5dc7c7d392232a (diff)
79 files changed, 267 insertions, 358 deletions
diff --git a/fs/xfs/libxfs/xfs_ag.h b/fs/xfs/libxfs/xfs_ag.h
deleted file mode 100644
index 6e247a99f5db..000000000000
--- a/fs/xfs/libxfs/xfs_ag.h
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * Copyright (c) 2000-2003,2005 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_AG_H__
-#define __XFS_AG_H__
-/*
- * Allocation group header
- * This is divided into three structures, placed in sequential 512-byte
- * buffers after a copy of the superblock (also in a 512-byte buffer).
- */
-struct xfs_buf;
-struct xfs_mount;
-struct xfs_trans;
-#define XFS_AGF_MAGIC   0x58414746      /* 'XAGF' */
-#define XFS_AGI_MAGIC   0x58414749      /* 'XAGI' */
-#define XFS_AGFL_MAGIC  0x5841464c      /* 'XAFL' */
-#define XFS_AGF_VERSION 1
-#define XFS_AGI_VERSION 1
-#define XFS_AGF_GOOD_VERSION(v) ((v) == XFS_AGF_VERSION)
-#define XFS_AGI_GOOD_VERSION(v) ((v) == XFS_AGI_VERSION)
-/*
- * Btree number 0 is bno, 1 is cnt.  This value gives the size of the
- * arrays below.
- */
-#define XFS_BTNUM_AGF   ((int)XFS_BTNUM_CNTi + 1)
-/*
- * The second word of agf_levels in the first a.g. overlaps the EFS
- * superblock's magic number.  Since the magic numbers valid for EFS
- * are > 64k, our value cannot be confused for an EFS superblock's.
- */
-typedef struct xfs_agf {
-        /*
-         * Common allocation group header information
-         */
-        __be32          agf_magicnum;   /* magic number == XFS_AGF_MAGIC */
-        __be32          agf_versionnum; /* header version == XFS_AGF_VERSION */
-        __be32          agf_seqno;      /* sequence # starting from 0 */
-        __be32          agf_length;     /* size in blocks of a.g. */
-        /*
-         * Freespace information
-         */
-        __be32          agf_roots[XFS_BTNUM_AGF];       /* root blocks */
-        __be32          agf_spare0;     /* spare field */
-        __be32          agf_levels[XFS_BTNUM_AGF];      /* btree levels */
-        __be32          agf_spare1;     /* spare field */
-        __be32          agf_flfirst;    /* first freelist block's index */
-        __be32          agf_fllast;     /* last freelist block's index */
-        __be32          agf_flcount;    /* count of blocks in freelist */
-        __be32          agf_freeblks;   /* total free blocks */
-        __be32          agf_longest;    /* longest free space */
-        __be32          agf_btreeblks;  /* # of blocks held in AGF btrees */
-        uuid_t          agf_uuid;       /* uuid of filesystem */
-        /*
-         * reserve some contiguous space for future logged fields before we add
-         * the unlogged fields. This makes the range logging via flags and
-         * structure offsets much simpler.
-         */
-        __be64          agf_spare64[16];
-        /* unlogged fields, written during buffer writeback. */
-        __be64          agf_lsn;        /* last write sequence */
-        __be32          agf_crc;        /* crc of agf sector */
-        __be32          agf_spare2;
-        /* structure must be padded to 64 bit alignment */
-} xfs_agf_t;
-#define XFS_AGF_CRC_OFF         offsetof(struct xfs_agf, agf_crc)
-#define XFS_AGF_MAGICNUM        0x00000001
-#define XFS_AGF_VERSIONNUM      0x00000002
-#define XFS_AGF_SEQNO           0x00000004
-#define XFS_AGF_LENGTH          0x00000008
-#define XFS_AGF_ROOTS           0x00000010
-#define XFS_AGF_LEVELS          0x00000020
-#define XFS_AGF_FLFIRST         0x00000040
-#define XFS_AGF_FLLAST          0x00000080
-#define XFS_AGF_FLCOUNT         0x00000100
-#define XFS_AGF_FREEBLKS        0x00000200
-#define XFS_AGF_LONGEST         0x00000400
-#define XFS_AGF_BTREEBLKS       0x00000800
-#define XFS_AGF_UUID            0x00001000
-#define XFS_AGF_NUM_BITS        13
-#define XFS_AGF_ALL_BITS        ((1 << XFS_AGF_NUM_BITS) - 1)
-#define XFS_AGF_FLAGS \
-        { XFS_AGF_MAGICNUM,     "MAGICNUM" }, \
-        { XFS_AGF_VERSIONNUM,   "VERSIONNUM" }, \
-        { XFS_AGF_SEQNO,        "SEQNO" }, \
-        { XFS_AGF_LENGTH,       "LENGTH" }, \
-        { XFS_AGF_ROOTS,        "ROOTS" }, \
-        { XFS_AGF_LEVELS,       "LEVELS" }, \
-        { XFS_AGF_FLFIRST,      "FLFIRST" }, \
-        { XFS_AGF_FLLAST,       "FLLAST" }, \
-        { XFS_AGF_FLCOUNT,      "FLCOUNT" }, \
-        { XFS_AGF_FREEBLKS,     "FREEBLKS" }, \
-        { XFS_AGF_LONGEST,      "LONGEST" }, \
-        { XFS_AGF_BTREEBLKS,    "BTREEBLKS" }, \
-        { XFS_AGF_UUID,         "UUID" }
-/* disk block (xfs_daddr_t) in the AG */
-#define XFS_AGF_DADDR(mp)       ((xfs_daddr_t)(1 << (mp)->m_sectbb_log))
-#define XFS_AGF_BLOCK(mp)       XFS_HDR_BLOCK(mp, XFS_AGF_DADDR(mp))
-#define XFS_BUF_TO_AGF(bp)      ((xfs_agf_t *)((bp)->b_addr))
-extern int xfs_read_agf(struct xfs_mount *mp, struct xfs_trans *tp,
-                        xfs_agnumber_t agno, int flags, struct xfs_buf **bpp);
-/*
- * Size of the unlinked inode hash table in the agi.
- */
-#define XFS_AGI_UNLINKED_BUCKETS        64
-typedef struct xfs_agi {
-        /*
-         * Common allocation group header information
-         */
-        __be32          agi_magicnum;   /* magic number == XFS_AGI_MAGIC */
-        __be32          agi_versionnum; /* header version == XFS_AGI_VERSION */
-        __be32          agi_seqno;      /* sequence # starting from 0 */
-        __be32          agi_length;     /* size in blocks of a.g. */
-        /*
-         * Inode information
-         * Inodes are mapped by interpreting the inode number, so no
-         * mapping data is needed here.
-         */
-        __be32          agi_count;      /* count of allocated inodes */
-        __be32          agi_root;       /* root of inode btree */
-        __be32          agi_level;      /* levels in inode btree */
-        __be32          agi_freecount;  /* number of free inodes */
-        __be32          agi_newino;     /* new inode just allocated */
-        __be32          agi_dirino;     /* last directory inode chunk */
-        /*
-         * Hash table of inodes which have been unlinked but are
-         * still being referenced.
-         */
-        __be32          agi_unlinked[XFS_AGI_UNLINKED_BUCKETS];
-        /*
-         * This marks the end of logging region 1 and start of logging region 2.
-         */
-        uuid_t          agi_uuid;       /* uuid of filesystem */
-        __be32          agi_crc;        /* crc of agi sector */
-        __be32          agi_pad32;
-        __be64          agi_lsn;        /* last write sequence */
-        __be32          agi_free_root; /* root of the free inode btree */
-        __be32          agi_free_level;/* levels in free inode btree */
-        /* structure must be padded to 64 bit alignment */
-} xfs_agi_t;
-#define XFS_AGI_CRC_OFF         offsetof(struct xfs_agi, agi_crc)
-#define XFS_AGI_MAGICNUM        (1 << 0)
-#define XFS_AGI_VERSIONNUM      (1 << 1)
-#define XFS_AGI_SEQNO           (1 << 2)
-#define XFS_AGI_LENGTH          (1 << 3)
-#define XFS_AGI_COUNT           (1 << 4)
-#define XFS_AGI_ROOT            (1 << 5)
-#define XFS_AGI_LEVEL           (1 << 6)
-#define XFS_AGI_FREECOUNT       (1 << 7)
-#define XFS_AGI_NEWINO          (1 << 8)
-#define XFS_AGI_DIRINO          (1 << 9)
-#define XFS_AGI_UNLINKED        (1 << 10)
-#define XFS_AGI_NUM_BITS_R1     11      /* end of the 1st agi logging region */
-#define XFS_AGI_ALL_BITS_R1     ((1 << XFS_AGI_NUM_BITS_R1) - 1)
-#define XFS_AGI_FREE_ROOT       (1 << 11)
-#define XFS_AGI_FREE_LEVEL      (1 << 12)
-#define XFS_AGI_NUM_BITS_R2     13
-/* disk block (xfs_daddr_t) in the AG */
-#define XFS_AGI_DADDR(mp)       ((xfs_daddr_t)(2 << (mp)->m_sectbb_log))
-#define XFS_AGI_BLOCK(mp)       XFS_HDR_BLOCK(mp, XFS_AGI_DADDR(mp))
-#define XFS_BUF_TO_AGI(bp)      ((xfs_agi_t *)((bp)->b_addr))
-extern int xfs_read_agi(struct xfs_mount *mp, struct xfs_trans *tp,
-                                xfs_agnumber_t agno, struct xfs_buf **bpp);
-/*
- * The third a.g. block contains the a.g. freelist, an array
- * of block pointers to blocks owned by the allocation btree code.
- */
-#define XFS_AGFL_DADDR(mp)      ((xfs_daddr_t)(3 << (mp)->m_sectbb_log))
-#define XFS_AGFL_BLOCK(mp)      XFS_HDR_BLOCK(mp, XFS_AGFL_DADDR(mp))
-#define XFS_BUF_TO_AGFL(bp)     ((xfs_agfl_t *)((bp)->b_addr))
-#define XFS_BUF_TO_AGFL_BNO(mp, bp) \
-        (xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
-                &(XFS_BUF_TO_AGFL(bp)->agfl_bno[0]) : \
-                (__be32 *)(bp)->b_addr)
-/*
- * Size of the AGFL.  For CRC-enabled filesystes we steal a couple of
- * slots in the beginning of the block for a proper header with the
- * location information and CRC.
- */
-#define XFS_AGFL_SIZE(mp) \
-        (((mp)->m_sb.sb_sectsize - \
-         (xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
-                sizeof(struct xfs_agfl) : 0)) / \
-          sizeof(xfs_agblock_t))
-typedef struct xfs_agfl {
-        __be32          agfl_magicnum;
-        __be32          agfl_seqno;
-        uuid_t          agfl_uuid;
-        __be64          agfl_lsn;
-        __be32          agfl_crc;
-        __be32          agfl_bno[];     /* actually XFS_AGFL_SIZE(mp) */
-} xfs_agfl_t;
-#define XFS_AGFL_CRC_OFF        offsetof(struct xfs_agfl, agfl_crc)
-/*
- * tags for inode radix tree
- */
-#define XFS_ICI_NO_TAG          (-1)    /* special flag for an untagged lookup
-                                           in xfs_inode_ag_iterator */
-#define XFS_ICI_RECLAIM_TAG     0       /* inode is to be reclaimed */
-#define XFS_ICI_EOFBLOCKS_TAG   1       /* inode has blocks beyond EOF */
-#define XFS_AG_MAXLEVELS(mp)            ((mp)->m_ag_maxlevels)
-#define XFS_MIN_FREELIST_RAW(bl,cl,mp)  \
-        (MIN(bl + 1, XFS_AG_MAXLEVELS(mp)) + MIN(cl + 1, XFS_AG_MAXLEVELS(mp)))
-#define XFS_MIN_FREELIST(a,mp)          \
-        (XFS_MIN_FREELIST_RAW(          \
-                be32_to_cpu((a)->agf_levels[XFS_BTNUM_BNOi]), \
-                be32_to_cpu((a)->agf_levels[XFS_BTNUM_CNTi]), mp))
-#define XFS_MIN_FREELIST_PAG(pag,mp)    \
-        (XFS_MIN_FREELIST_RAW(          \
-                (unsigned int)(pag)->pagf_levels[XFS_BTNUM_BNOi], \
-                (unsigned int)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp))
-#define XFS_AGB_TO_FSB(mp,agno,agbno)   \
-        (((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno))
-#define XFS_FSB_TO_AGNO(mp,fsbno)       \
-        ((xfs_agnumber_t)((fsbno) >> (mp)->m_sb.sb_agblklog))
-#define XFS_FSB_TO_AGBNO(mp,fsbno)      \
-        ((xfs_agblock_t)((fsbno) & xfs_mask32lo((mp)->m_sb.sb_agblklog)))
-#define XFS_AGB_TO_DADDR(mp,agno,agbno) \
-        ((xfs_daddr_t)XFS_FSB_TO_BB(mp, \
-                (xfs_fsblock_t)(agno) * (mp)->m_sb.sb_agblocks + (agbno)))
-#define XFS_AG_DADDR(mp,agno,d)         (XFS_AGB_TO_DADDR(mp, agno, 0) + (d))
-/*
- * For checking for bad ranges of xfs_daddr_t's, covering multiple
- * allocation groups or a single xfs_daddr_t that's a superblock copy.
- */
-#define XFS_AG_CHECK_DADDR(mp,d,len)    \
-        ((len) == 1 ? \
-            ASSERT((d) == XFS_SB_DADDR || \
-                   xfs_daddr_to_agbno(mp, d) != XFS_SB_DADDR) : \
-            ASSERT(xfs_daddr_to_agno(mp, d) == \
-                   xfs_daddr_to_agno(mp, (d) + (len) - 1)))
-#endif  /* __XFS_AG_H__ */
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index eff34218f405..a6fbf4472017 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_btree.h"
diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h
index feacb061bab7..d1b4b6a5c894 100644
--- a/fs/xfs/libxfs/xfs_alloc.h
+++ b/fs/xfs/libxfs/xfs_alloc.h
@@ -231,4 +231,7 @@ xfs_alloc_get_rec(
        xfs_extlen_t            *len,   /* output: length of extent */
        int                     *stat); /* output: success/failure */
+int xfs_read_agf(struct xfs_mount *mp, struct xfs_trans *tp,
+                        xfs_agnumber_t agno, int flags, struct xfs_buf **bpp);
 #endif  /* __XFS_ALLOC_H__ */
diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c
index e0e83e24d3ef..59d521c09a17 100644
--- a/fs/xfs/libxfs/xfs_alloc_btree.c
+++ b/fs/xfs/libxfs/xfs_alloc_btree.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_btree.h"
 #include "xfs_alloc_btree.h"
diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
index 4c0e33b0138f..f782d3617d2f 100644
--- a/fs/xfs/libxfs/xfs_attr.c
+++ b/fs/xfs/libxfs/xfs_attr.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index d9a172b121db..5d38e8b8a913 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -24,7 +24,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c
index 7510ab8058a4..4edd4a84abe9 100644
--- a/fs/xfs/libxfs/xfs_attr_remote.c
+++ b/fs/xfs/libxfs/xfs_attr_remote.c
@@ -24,7 +24,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 427c13f20011..68d91338fcc4 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -24,7 +24,6 @@
 #include "xfs_bit.h"
 #include "xfs_inum.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
index b016fc442ae9..91588a54a677 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 8fe6a93ff473..256d53245c42 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c
index fd827530afec..2b880617135c 100644
--- a/fs/xfs/libxfs/xfs_da_btree.c
+++ b/fs/xfs/libxfs/xfs_da_btree.c
@@ -24,7 +24,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_da_format.c b/fs/xfs/libxfs/xfs_da_format.c
index 7e42fdfd2f1d..927e9eb6d999 100644
--- a/fs/xfs/libxfs/xfs_da_format.c
+++ b/fs/xfs/libxfs/xfs_da_format.c
@@ -23,7 +23,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
index d6ddb3ff7ab9..672a29e626cc 100644
--- a/fs/xfs/libxfs/xfs_dir2.c
+++ b/fs/xfs/libxfs/xfs_dir2.c
@@ -22,7 +22,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_inum.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c
index a9afd7e97e0e..a6b3a6a60e89 100644
--- a/fs/xfs/libxfs/xfs_dir2_block.c
+++ b/fs/xfs/libxfs/xfs_dir2_block.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c
index fdd803fecb8e..2c8f463c54ed 100644
--- a/fs/xfs/libxfs/xfs_dir2_data.c
+++ b/fs/xfs/libxfs/xfs_dir2_data.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c
index a19174eb3cb2..777c48208528 100644
--- a/fs/xfs/libxfs/xfs_dir2_leaf.c
+++ b/fs/xfs/libxfs/xfs_dir2_leaf.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c
index 2ae6ac2c11ae..c0a0e194fbf7 100644
--- a/fs/xfs/libxfs/xfs_dir2_node.c
+++ b/fs/xfs/libxfs/xfs_dir2_node.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c
index 58133d2a3e45..ab99dbc00988 100644
--- a/fs/xfs/libxfs/xfs_dir2_sf.c
+++ b/fs/xfs/libxfs/xfs_dir2_sf.c
@@ -21,7 +21,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dquot_buf.c b/fs/xfs/libxfs/xfs_dquot_buf.c
index bb969337efc8..cd6892667ba1 100644
--- a/fs/xfs/libxfs/xfs_dquot_buf.c
+++ b/fs/xfs/libxfs/xfs_dquot_buf.c
@@ -23,7 +23,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_quota.h"
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index e99d3290152a..9b6e4247ca28 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -33,6 +33,249 @@ struct xfs_inode;
 struct xfs_buf;
 struct xfs_ifork;
+/*
+ * Allocation group header
+ *
+ * This is divided into three structures, placed in sequential 512-byte
+ * buffers after a copy of the superblock (also in a 512-byte buffer).
+ */
+#define XFS_AGF_MAGIC   0x58414746      /* 'XAGF' */
+#define XFS_AGI_MAGIC   0x58414749      /* 'XAGI' */
+#define XFS_AGFL_MAGIC  0x5841464c      /* 'XAFL' */
+#define XFS_AGF_VERSION 1
+#define XFS_AGI_VERSION 1
+#define XFS_AGF_GOOD_VERSION(v) ((v) == XFS_AGF_VERSION)
+#define XFS_AGI_GOOD_VERSION(v) ((v) == XFS_AGI_VERSION)
+/*
+ * Btree number 0 is bno, 1 is cnt.  This value gives the size of the
+ * arrays below.
+ */
+#define XFS_BTNUM_AGF   ((int)XFS_BTNUM_CNTi + 1)
+/*
+ * The second word of agf_levels in the first a.g. overlaps the EFS
+ * superblock's magic number.  Since the magic numbers valid for EFS
+ * are > 64k, our value cannot be confused for an EFS superblock's.
+ */
+typedef struct xfs_agf {
+        /*
+         * Common allocation group header information
+         */
+        __be32          agf_magicnum;   /* magic number == XFS_AGF_MAGIC */
+        __be32          agf_versionnum; /* header version == XFS_AGF_VERSION */
+        __be32          agf_seqno;      /* sequence # starting from 0 */
+        __be32          agf_length;     /* size in blocks of a.g. */
+        /*
+         * Freespace information
+         */
+        __be32          agf_roots[XFS_BTNUM_AGF];       /* root blocks */
+        __be32          agf_spare0;     /* spare field */
+        __be32          agf_levels[XFS_BTNUM_AGF];      /* btree levels */
+        __be32          agf_spare1;     /* spare field */
+        __be32          agf_flfirst;    /* first freelist block's index */
+        __be32          agf_fllast;     /* last freelist block's index */
+        __be32          agf_flcount;    /* count of blocks in freelist */
+        __be32          agf_freeblks;   /* total free blocks */
+        __be32          agf_longest;    /* longest free space */
+        __be32          agf_btreeblks;  /* # of blocks held in AGF btrees */
+        uuid_t          agf_uuid;       /* uuid of filesystem */
+        /*
+         * reserve some contiguous space for future logged fields before we add
+         * the unlogged fields. This makes the range logging via flags and
+         * structure offsets much simpler.
+         */
+        __be64          agf_spare64[16];
+        /* unlogged fields, written during buffer writeback. */
+        __be64          agf_lsn;        /* last write sequence */
+        __be32          agf_crc;        /* crc of agf sector */
+        __be32          agf_spare2;
+        /* structure must be padded to 64 bit alignment */
+} xfs_agf_t;
+#define XFS_AGF_CRC_OFF         offsetof(struct xfs_agf, agf_crc)
+#define XFS_AGF_MAGICNUM        0x00000001
+#define XFS_AGF_VERSIONNUM      0x00000002
+#define XFS_AGF_SEQNO           0x00000004
+#define XFS_AGF_LENGTH          0x00000008
+#define XFS_AGF_ROOTS           0x00000010
+#define XFS_AGF_LEVELS          0x00000020
+#define XFS_AGF_FLFIRST         0x00000040
+#define XFS_AGF_FLLAST          0x00000080
+#define XFS_AGF_FLCOUNT         0x00000100
+#define XFS_AGF_FREEBLKS        0x00000200
+#define XFS_AGF_LONGEST         0x00000400
+#define XFS_AGF_BTREEBLKS       0x00000800
+#define XFS_AGF_UUID            0x00001000
+#define XFS_AGF_NUM_BITS        13
+#define XFS_AGF_ALL_BITS        ((1 << XFS_AGF_NUM_BITS) - 1)
+#define XFS_AGF_FLAGS \
+        { XFS_AGF_MAGICNUM,     "MAGICNUM" }, \
+        { XFS_AGF_VERSIONNUM,   "VERSIONNUM" }, \
+        { XFS_AGF_SEQNO,        "SEQNO" }, \
+        { XFS_AGF_LENGTH,       "LENGTH" }, \
+        { XFS_AGF_ROOTS,        "ROOTS" }, \
+        { XFS_AGF_LEVELS,       "LEVELS" }, \
+        { XFS_AGF_FLFIRST,      "FLFIRST" }, \
+        { XFS_AGF_FLLAST,       "FLLAST" }, \
+        { XFS_AGF_FLCOUNT,      "FLCOUNT" }, \
+        { XFS_AGF_FREEBLKS,     "FREEBLKS" }, \
+        { XFS_AGF_LONGEST,      "LONGEST" }, \
+        { XFS_AGF_BTREEBLKS,    "BTREEBLKS" }, \
+        { XFS_AGF_UUID,         "UUID" }
+/* disk block (xfs_daddr_t) in the AG */
+#define XFS_AGF_DADDR(mp)       ((xfs_daddr_t)(1 << (mp)->m_sectbb_log))
+#define XFS_AGF_BLOCK(mp)       XFS_HDR_BLOCK(mp, XFS_AGF_DADDR(mp))
+#define XFS_BUF_TO_AGF(bp)      ((xfs_agf_t *)((bp)->b_addr))
+/*
+ * Size of the unlinked inode hash table in the agi.
+ */
+#define XFS_AGI_UNLINKED_BUCKETS        64
+typedef struct xfs_agi {
+        /*
+         * Common allocation group header information
+         */
+        __be32          agi_magicnum;   /* magic number == XFS_AGI_MAGIC */
+        __be32          agi_versionnum; /* header version == XFS_AGI_VERSION */
+        __be32          agi_seqno;      /* sequence # starting from 0 */
+        __be32          agi_length;     /* size in blocks of a.g. */
+        /*
+         * Inode information
+         * Inodes are mapped by interpreting the inode number, so no
+         * mapping data is needed here.
+         */
+        __be32          agi_count;      /* count of allocated inodes */
+        __be32          agi_root;       /* root of inode btree */
+        __be32          agi_level;      /* levels in inode btree */
+        __be32          agi_freecount;  /* number of free inodes */
+        __be32          agi_newino;     /* new inode just allocated */
+        __be32          agi_dirino;     /* last directory inode chunk */
+        /*
+         * Hash table of inodes which have been unlinked but are
+         * still being referenced.
+         */
+        __be32          agi_unlinked[XFS_AGI_UNLINKED_BUCKETS];
+        /*
+         * This marks the end of logging region 1 and start of logging region 2.
+         */
+        uuid_t          agi_uuid;       /* uuid of filesystem */
+        __be32          agi_crc;        /* crc of agi sector */
+        __be32          agi_pad32;
+        __be64          agi_lsn;        /* last write sequence */
+        __be32          agi_free_root; /* root of the free inode btree */
+        __be32          agi_free_level;/* levels in free inode btree */
+        /* structure must be padded to 64 bit alignment */
+} xfs_agi_t;
+#define XFS_AGI_CRC_OFF         offsetof(struct xfs_agi, agi_crc)
+#define XFS_AGI_MAGICNUM        (1 << 0)
+#define XFS_AGI_VERSIONNUM      (1 << 1)
+#define XFS_AGI_SEQNO           (1 << 2)
+#define XFS_AGI_LENGTH          (1 << 3)
+#define XFS_AGI_COUNT           (1 << 4)
+#define XFS_AGI_ROOT            (1 << 5)
+#define XFS_AGI_LEVEL           (1 << 6)
+#define XFS_AGI_FREECOUNT       (1 << 7)
+#define XFS_AGI_NEWINO          (1 << 8)
+#define XFS_AGI_DIRINO          (1 << 9)
+#define XFS_AGI_UNLINKED        (1 << 10)
+#define XFS_AGI_NUM_BITS_R1     11      /* end of the 1st agi logging region */
+#define XFS_AGI_ALL_BITS_R1     ((1 << XFS_AGI_NUM_BITS_R1) - 1)
+#define XFS_AGI_FREE_ROOT       (1 << 11)
+#define XFS_AGI_FREE_LEVEL      (1 << 12)
+#define XFS_AGI_NUM_BITS_R2     13
+/* disk block (xfs_daddr_t) in the AG */
+#define XFS_AGI_DADDR(mp)       ((xfs_daddr_t)(2 << (mp)->m_sectbb_log))
+#define XFS_AGI_BLOCK(mp)       XFS_HDR_BLOCK(mp, XFS_AGI_DADDR(mp))
+#define XFS_BUF_TO_AGI(bp)      ((xfs_agi_t *)((bp)->b_addr))
+/*
+ * The third a.g. block contains the a.g. freelist, an array
+ * of block pointers to blocks owned by the allocation btree code.
+ */
+#define XFS_AGFL_DADDR(mp)      ((xfs_daddr_t)(3 << (mp)->m_sectbb_log))
+#define XFS_AGFL_BLOCK(mp)      XFS_HDR_BLOCK(mp, XFS_AGFL_DADDR(mp))
+#define XFS_BUF_TO_AGFL(bp)     ((xfs_agfl_t *)((bp)->b_addr))
+#define XFS_BUF_TO_AGFL_BNO(mp, bp) \
+        (xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
+                &(XFS_BUF_TO_AGFL(bp)->agfl_bno[0]) : \
+                (__be32 *)(bp)->b_addr)
+/*
+ * Size of the AGFL.  For CRC-enabled filesystes we steal a couple of
+ * slots in the beginning of the block for a proper header with the
+ * location information and CRC.
+ */
+#define XFS_AGFL_SIZE(mp) \
+        (((mp)->m_sb.sb_sectsize - \
+         (xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
+                sizeof(struct xfs_agfl) : 0)) / \
+          sizeof(xfs_agblock_t))
+typedef struct xfs_agfl {
+        __be32          agfl_magicnum;
+        __be32          agfl_seqno;
+        uuid_t          agfl_uuid;
+        __be64          agfl_lsn;
+        __be32          agfl_crc;
+        __be32          agfl_bno[];     /* actually XFS_AGFL_SIZE(mp) */
+} xfs_agfl_t;
+#define XFS_AGFL_CRC_OFF        offsetof(struct xfs_agfl, agfl_crc)
+#define XFS_AG_MAXLEVELS(mp)            ((mp)->m_ag_maxlevels)
+#define XFS_MIN_FREELIST_RAW(bl,cl,mp)  \
+        (MIN(bl + 1, XFS_AG_MAXLEVELS(mp)) + MIN(cl + 1, XFS_AG_MAXLEVELS(mp)))
+#define XFS_MIN_FREELIST(a,mp)          \
+        (XFS_MIN_FREELIST_RAW(          \
+                be32_to_cpu((a)->agf_levels[XFS_BTNUM_BNOi]), \
+                be32_to_cpu((a)->agf_levels[XFS_BTNUM_CNTi]), mp))
+#define XFS_MIN_FREELIST_PAG(pag,mp)    \
+        (XFS_MIN_FREELIST_RAW(          \
+                (unsigned int)(pag)->pagf_levels[XFS_BTNUM_BNOi], \
+                (unsigned int)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp))
+#define XFS_AGB_TO_FSB(mp,agno,agbno)   \
+        (((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno))
+#define XFS_FSB_TO_AGNO(mp,fsbno)       \
+        ((xfs_agnumber_t)((fsbno) >> (mp)->m_sb.sb_agblklog))
+#define XFS_FSB_TO_AGBNO(mp,fsbno)      \
+        ((xfs_agblock_t)((fsbno) & xfs_mask32lo((mp)->m_sb.sb_agblklog)))
+#define XFS_AGB_TO_DADDR(mp,agno,agbno) \
+        ((xfs_daddr_t)XFS_FSB_TO_BB(mp, \
+                (xfs_fsblock_t)(agno) * (mp)->m_sb.sb_agblocks + (agbno)))
+#define XFS_AG_DADDR(mp,agno,d)         (XFS_AGB_TO_DADDR(mp, agno, 0) + (d))
+/*
+ * For checking for bad ranges of xfs_daddr_t's, covering multiple
+ * allocation groups or a single xfs_daddr_t that's a superblock copy.
+ */
+#define XFS_AG_CHECK_DADDR(mp,d,len)    \
+        ((len) == 1 ? \
+            ASSERT((d) == XFS_SB_DADDR || \
+                   xfs_daddr_to_agbno(mp, d) != XFS_SB_DADDR) : \
+            ASSERT(xfs_daddr_to_agno(mp, d) == \
+                   xfs_daddr_to_agno(mp, (d) + (len) - 1)))
 typedef struct xfs_timestamp {
        __be32          t_sec;          /* timestamp seconds */
        __be32          t_nsec;         /* timestamp nanoseconds */
diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
index 7eb2fca678d0..1dae7dae6a3c 100644
--- a/fs/xfs/libxfs/xfs_ialloc.c
+++ b/fs/xfs/libxfs/xfs_ialloc.c
@@ -24,7 +24,6 @@
 #include "xfs_bit.h"
 #include "xfs_inum.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_btree.h"
diff --git a/fs/xfs/libxfs/xfs_ialloc.h b/fs/xfs/libxfs/xfs_ialloc.h
index 95ad1c002d60..100007d56449 100644
--- a/fs/xfs/libxfs/xfs_ialloc.h
+++ b/fs/xfs/libxfs/xfs_ialloc.h
@@ -160,4 +160,8 @@ int xfs_ialloc_inode_init(struct xfs_mount *mp, struct xfs_trans *tp,
                          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);
 #endif  /* __XFS_IALLOC_H__ */
diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
index c9b06f30fe86..4e029cc238e6 100644
--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_btree.h"
diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c
index 184c68e34b81..f63c455c3f69 100644
--- a/fs/xfs/libxfs/xfs_inode_buf.c
+++ b/fs/xfs/libxfs/xfs_inode_buf.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_error.h"
diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c
index e45d833ffcb6..ab0659949a47 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.c
+++ b/fs/xfs/libxfs/xfs_inode_fork.c
@@ -24,7 +24,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_inum.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/libxfs/xfs_log_rlimit.c b/fs/xfs/libxfs/xfs_log_rlimit.c
index ee7e0e80246b..1c250ee07dca 100644
--- a/fs/xfs/libxfs/xfs_log_rlimit.c
+++ b/fs/xfs/libxfs/xfs_log_rlimit.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_ag.h"
 #include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c
index de0fe1efefe9..ad3d1dc37d11 100644
--- a/fs/xfs/libxfs/xfs_rtbitmap.c
+++ b/fs/xfs/libxfs/xfs_rtbitmap.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_bmap.h"
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index 1eed4361aa1e..752915fa775a 100644
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_ialloc.h"
diff --git a/fs/xfs/libxfs/xfs_symlink_remote.c b/fs/xfs/libxfs/xfs_symlink_remote.c
index 5782f037eab4..87ee2996379c 100644
--- a/fs/xfs/libxfs/xfs_symlink_remote.c
+++ b/fs/xfs/libxfs/xfs_symlink_remote.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_shared.h"
 #include "xfs_trans_resv.h"
-#include "xfs_ag.h"
 #include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c
index f2bda7c76b8a..f2a03e5dec96 100644
--- a/fs/xfs/libxfs/xfs_trans_resv.c
+++ b/fs/xfs/libxfs/xfs_trans_resv.c
@@ -23,7 +23,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c
index a65fa5dde6e9..66cd043d9165 100644
--- a/fs/xfs/xfs_acl.c
+++ b/fs/xfs/xfs_acl.c
@@ -19,7 +19,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_ag.h"
 #include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index e4f27e75c1fa..183b634dc432 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -21,7 +21,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/xfs_attr_inactive.c b/fs/xfs/xfs_attr_inactive.c
index 5665f4633565..b466388358a2 100644
--- a/fs/xfs/xfs_attr_inactive.c
+++ b/fs/xfs/xfs_attr_inactive.c
@@ -24,7 +24,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c
index 143435c9dc93..13dce2b19682 100644
--- a/fs/xfs/xfs_attr_list.c
+++ b/fs/xfs/xfs_attr_list.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 7477552e3b6d..6df4730ef5c3 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -24,7 +24,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 24b4ebea0d4d..b0a594e6cbb8 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -34,10 +34,10 @@
 #include <linux/backing-dev.h>
 #include <linux/freezer.h>
+#include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_trace.h"
 #include "xfs_log.h"
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index f15969543326..3f9bd58edec7 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -17,11 +17,11 @@
 */
 #include "xfs.h"
 #include "xfs_fs.h"
+#include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_trans.h"
 #include "xfs_buf_item.h"
diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c
index 1e937fc9e833..09b0eb723590 100644
--- a/fs/xfs/xfs_dir2_readdir.c
+++ b/fs/xfs/xfs_dir2_readdir.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c
index 13d08a1b390e..799e5a2d334d 100644
--- a/fs/xfs/xfs_discard.c
+++ b/fs/xfs/xfs_discard.c
@@ -20,7 +20,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_quota.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index 63c2de49f61d..222168493ac4 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_bmap.h"
diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
index f33fbaaa4d8a..1f87bc8166f3 100644
--- a/fs/xfs/xfs_dquot_item.c
+++ b/fs/xfs/xfs_dquot_item.c
@@ -21,7 +21,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_quota.h"
diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index b92fd7bc49e3..f5d90eda78fb 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -21,7 +21,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_error.h"
diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c
index 5a6bd5d8779a..73172e1bd399 100644
--- a/fs/xfs/xfs_export.c
+++ b/fs/xfs/xfs_export.c
@@ -20,7 +20,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_dir2.h"
diff --git a/fs/xfs/xfs_extent_busy.c b/fs/xfs/xfs_extent_busy.c
index fd22f69049d4..c263e079273e 100644
--- a/fs/xfs/xfs_extent_busy.c
+++ b/fs/xfs/xfs_extent_busy.c
@@ -24,7 +24,6 @@
 #include "xfs_shared.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_alloc.h"
 #include "xfs_extent_busy.h"
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index c4327419dc5c..e751c6074000 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -17,10 +17,10 @@
 */
 #include "xfs.h"
 #include "xfs_fs.h"
+#include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_trans.h"
 #include "xfs_trans_priv.h"
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 8fe87bb55f4a..69b7dd316542 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c
index fe47f3da4ed6..c5b06a925035 100644
--- a/fs/xfs/xfs_filestream.c
+++ b/fs/xfs/xfs_filestream.c
@@ -20,7 +20,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_ag.h"
 #include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inum.h"
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 594af198af87..fdc64220fcb0 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index b45f7b27b5df..e364723bd160 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -22,7 +22,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_inum.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_error.h"
diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h
index 46748b86b12f..62f1f91c32cb 100644
--- a/fs/xfs/xfs_icache.h
+++ b/fs/xfs/xfs_icache.h
@@ -34,6 +34,14 @@ struct xfs_eofblocks {
 #define SYNC_TRYLOCK            0x0002  /* only try to lock inodes */
 /*
+ * tags for inode radix tree
+ */
+#define XFS_ICI_NO_TAG          (-1)    /* special flag for an untagged lookup
+                                           in xfs_inode_ag_iterator */
+#define XFS_ICI_RECLAIM_TAG     0       /* inode is to be reclaimed */
+#define XFS_ICI_EOFBLOCKS_TAG   1       /* inode has blocks beyond EOF */
+/*
 * Flags for xfs_iget()
 */
 #define XFS_IGET_CREATE         0x1
diff --git a/fs/xfs/xfs_icreate_item.c b/fs/xfs/xfs_icreate_item.c
index 7e4549233251..131b0432f77e 100644
--- a/fs/xfs/xfs_icreate_item.c
+++ b/fs/xfs/xfs_icreate_item.c
@@ -18,11 +18,11 @@
 #include "xfs.h"
 #include "xfs_fs.h"
 #include "xfs_shared.h"
+#include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_trans.h"
 #include "xfs_trans_priv.h"
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 8ed049d1e332..229dfdefdb85 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -25,7 +25,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_inum.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_da_format.h"
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index efa6e5938fba..0bd3af61e09c 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -21,7 +21,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 6a8737b124c0..d2175b60f232 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_ioctl.h"
diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c
index 94ce027e28e3..9a36ee0113d1 100644
--- a/fs/xfs/xfs_ioctl32.c
+++ b/fs/xfs/xfs_ioctl32.c
@@ -26,7 +26,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_itable.h"
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index cf1102248d6a..7ab365a96017 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_btree.h"
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 1e72c7714b09..55aa9e8d79b9 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index 855dacfc36ac..2b92694926df 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_inum.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_btree.h"
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index fe88ef67f93a..765f32ebed4c 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_error.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index f506c457011e..951c08fac0e7 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -17,11 +17,11 @@
 #include "xfs.h"
 #include "xfs_fs.h"
+#include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_shared.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_error.h"
 #include "xfs_alloc.h"
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 9b3fca6a4554..697073acc3e5 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -24,7 +24,6 @@
 #include "xfs_bit.h"
 #include "xfs_inum.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_message.c b/fs/xfs/xfs_message.c
index 63ca2f0420b1..8abc2d5643e1 100644
--- a/fs/xfs/xfs_message.c
+++ b/fs/xfs/xfs_message.c
@@ -17,10 +17,10 @@
 #include "xfs.h"
 #include "xfs_fs.h"
+#include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 /*
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index faf3e36b5c13..e627336265c8 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -24,7 +24,6 @@
 #include "xfs_bit.h"
 #include "xfs_inum.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index b0447c86e7e2..d27804ab3840 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -320,10 +320,7 @@ typedef struct xfs_mod_sb {
 /*
 * Per-ag incore structure, copies of information in agf and agi, to improve the
- * performance of allocation group selection. This is defined for the kernel
+ * performance of allocation group selection.
- * only, and hence is defined here instead of in xfs_ag.h. You need the struct
- * xfs_mount to be defined to look up a xfs_perag anyway (via mp->m_perag_tree),
- * so this doesn't introduce any strange header file dependencies.
 */
 typedef struct xfs_perag {
        struct xfs_mount *pag_mount;    /* owner filesystem */
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index cca74453e5a2..26d4a8d89dfa 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_ialloc.h"
diff --git a/fs/xfs/xfs_qm_bhv.c b/fs/xfs/xfs_qm_bhv.c
index 2c61e61b0205..b781dc57e7a6 100644
--- a/fs/xfs/xfs_qm_bhv.c
+++ b/fs/xfs/xfs_qm_bhv.c
@@ -21,7 +21,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_quota.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 80f2d77d929a..0449d931a1ae 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -26,7 +26,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c
index b238027df987..763843994026 100644
--- a/fs/xfs/xfs_quotaops.c
+++ b/fs/xfs/xfs_quotaops.c
@@ -20,7 +20,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_quota.h"
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 562dcdffc502..cb93a7231baf 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_bmap.h"
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 8f0264749cbb..af4f63efa2a8 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -23,7 +23,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_inum.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index f38a3f1ff2f8..99bc12927999 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -24,7 +24,6 @@
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/xfs_trace.c b/fs/xfs/xfs_trace.c
index 1e85bcd0e418..017051a10d1c 100644
--- a/fs/xfs/xfs_trace.c
+++ b/fs/xfs/xfs_trace.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 30e8e3410955..02df25d607d8 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -23,7 +23,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_extent_busy.h"
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 859482f53b5a..dd828d6fa15a 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -18,10 +18,10 @@
 */
 #include "xfs.h"
 #include "xfs_fs.h"
+#include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_trans.h"
 #include "xfs_trans_priv.h"
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index e2b2216b1635..f9192b03d570 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index 846e061c2e98..6320e287e527 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_error.h"
diff --git a/fs/xfs/xfs_trans_extfree.c b/fs/xfs/xfs_trans_extfree.c
index 47978ba89dae..a0aaa3e3d2b0 100644
--- a/fs/xfs/xfs_trans_extfree.c
+++ b/fs/xfs/xfs_trans_extfree.c
@@ -18,10 +18,10 @@
 #include "xfs.h"
 #include "xfs_fs.h"
 #include "xfs_shared.h"
+#include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_trans.h"
 #include "xfs_trans_priv.h"
diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c
index cdb4d86520e1..592904b0262b 100644
--- a/fs/xfs/xfs_trans_inode.c
+++ b/fs/xfs/xfs_trans_inode.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c
index 93455b998041..30c6158a037c 100644
--- a/fs/xfs/xfs_xattr.c
+++ b/fs/xfs/xfs_xattr.c
@@ -21,7 +21,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_sb.h"
-#include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_inode.h"
author	Christoph Hellwig <hch@lst.de>	2014-11-27 22:25:04 -0500
committer	Dave Chinner <david@fromorbit.com>	2014-11-27 22:25:04 -0500
commit	4fb6e8ade2c70ef1a13f358963b3298fd8b72bcc (patch)
tree	1371b8f183f09bd1959c05bce7a928826f230391 /fs/xfs
parent	5beda58bf269febe67eca91d5d5dc7c7d392232a (diff)