tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
authored by
Christoph Hellwig
and committed by
Dave Chinner
4fb6e8ad
5beda58b
+267
-358
-281
fs/xfs/libxfs/xfs_ag.h
-281
fs/xfs/libxfs/xfs_ag.h
···
1
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/*
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* Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __XFS_AG_H__
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#define __XFS_AG_H__
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/*
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* Allocation group header
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* This is divided into three structures, placed in sequential 512-byte
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* buffers after a copy of the superblock (also in a 512-byte buffer).
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*/
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struct xfs_buf;
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struct xfs_mount;
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struct xfs_trans;
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#define XFS_AGF_MAGIC 0x58414746 /* 'XAGF' */
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#define XFS_AGI_MAGIC 0x58414749 /* 'XAGI' */
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#define XFS_AGFL_MAGIC 0x5841464c /* 'XAFL' */
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#define XFS_AGF_VERSION 1
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#define XFS_AGI_VERSION 1
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#define XFS_AGF_GOOD_VERSION(v) ((v) == XFS_AGF_VERSION)
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#define XFS_AGI_GOOD_VERSION(v) ((v) == XFS_AGI_VERSION)
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/*
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* Btree number 0 is bno, 1 is cnt. This value gives the size of the
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* arrays below.
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*/
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#define XFS_BTNUM_AGF ((int)XFS_BTNUM_CNTi + 1)
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/*
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* The second word of agf_levels in the first a.g. overlaps the EFS
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* superblock's magic number. Since the magic numbers valid for EFS
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* are > 64k, our value cannot be confused for an EFS superblock's.
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*/
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typedef struct xfs_agf {
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/*
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* Common allocation group header information
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*/
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__be32 agf_magicnum; /* magic number == XFS_AGF_MAGIC */
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__be32 agf_versionnum; /* header version == XFS_AGF_VERSION */
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__be32 agf_seqno; /* sequence # starting from 0 */
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__be32 agf_length; /* size in blocks of a.g. */
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/*
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* Freespace information
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*/
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__be32 agf_roots[XFS_BTNUM_AGF]; /* root blocks */
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__be32 agf_spare0; /* spare field */
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__be32 agf_levels[XFS_BTNUM_AGF]; /* btree levels */
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__be32 agf_spare1; /* spare field */
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__be32 agf_flfirst; /* first freelist block's index */
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__be32 agf_fllast; /* last freelist block's index */
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__be32 agf_flcount; /* count of blocks in freelist */
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__be32 agf_freeblks; /* total free blocks */
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__be32 agf_longest; /* longest free space */
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__be32 agf_btreeblks; /* # of blocks held in AGF btrees */
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uuid_t agf_uuid; /* uuid of filesystem */
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-
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/*
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* reserve some contiguous space for future logged fields before we add
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* the unlogged fields. This makes the range logging via flags and
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* structure offsets much simpler.
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*/
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__be64 agf_spare64[16];
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-
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/* unlogged fields, written during buffer writeback. */
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__be64 agf_lsn; /* last write sequence */
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__be32 agf_crc; /* crc of agf sector */
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__be32 agf_spare2;
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/* structure must be padded to 64 bit alignment */
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} xfs_agf_t;
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#define XFS_AGF_CRC_OFF offsetof(struct xfs_agf, agf_crc)
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#define XFS_AGF_MAGICNUM 0x00000001
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#define XFS_AGF_VERSIONNUM 0x00000002
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#define XFS_AGF_SEQNO 0x00000004
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#define XFS_AGF_LENGTH 0x00000008
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#define XFS_AGF_ROOTS 0x00000010
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#define XFS_AGF_LEVELS 0x00000020
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#define XFS_AGF_FLFIRST 0x00000040
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#define XFS_AGF_FLLAST 0x00000080
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#define XFS_AGF_FLCOUNT 0x00000100
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#define XFS_AGF_FREEBLKS 0x00000200
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#define XFS_AGF_LONGEST 0x00000400
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#define XFS_AGF_BTREEBLKS 0x00000800
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#define XFS_AGF_UUID 0x00001000
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#define XFS_AGF_NUM_BITS 13
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#define XFS_AGF_ALL_BITS ((1 << XFS_AGF_NUM_BITS) - 1)
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#define XFS_AGF_FLAGS \
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{ XFS_AGF_MAGICNUM, "MAGICNUM" }, \
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{ XFS_AGF_VERSIONNUM, "VERSIONNUM" }, \
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{ XFS_AGF_SEQNO, "SEQNO" }, \
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{ XFS_AGF_LENGTH, "LENGTH" }, \
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{ XFS_AGF_ROOTS, "ROOTS" }, \
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{ XFS_AGF_LEVELS, "LEVELS" }, \
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{ XFS_AGF_FLFIRST, "FLFIRST" }, \
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{ XFS_AGF_FLLAST, "FLLAST" }, \
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{ XFS_AGF_FLCOUNT, "FLCOUNT" }, \
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{ XFS_AGF_FREEBLKS, "FREEBLKS" }, \
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{ XFS_AGF_LONGEST, "LONGEST" }, \
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{ XFS_AGF_BTREEBLKS, "BTREEBLKS" }, \
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{ XFS_AGF_UUID, "UUID" }
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-
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/* disk block (xfs_daddr_t) in the AG */
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#define XFS_AGF_DADDR(mp) ((xfs_daddr_t)(1 << (mp)->m_sectbb_log))
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#define XFS_AGF_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGF_DADDR(mp))
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#define XFS_BUF_TO_AGF(bp) ((xfs_agf_t *)((bp)->b_addr))
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extern int xfs_read_agf(struct xfs_mount *mp, struct xfs_trans *tp,
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xfs_agnumber_t agno, int flags, struct xfs_buf **bpp);
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/*
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* Size of the unlinked inode hash table in the agi.
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*/
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#define XFS_AGI_UNLINKED_BUCKETS 64
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typedef struct xfs_agi {
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/*
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* Common allocation group header information
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*/
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__be32 agi_magicnum; /* magic number == XFS_AGI_MAGIC */
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__be32 agi_versionnum; /* header version == XFS_AGI_VERSION */
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__be32 agi_seqno; /* sequence # starting from 0 */
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__be32 agi_length; /* size in blocks of a.g. */
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/*
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* Inode information
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* Inodes are mapped by interpreting the inode number, so no
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* mapping data is needed here.
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*/
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__be32 agi_count; /* count of allocated inodes */
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__be32 agi_root; /* root of inode btree */
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__be32 agi_level; /* levels in inode btree */
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__be32 agi_freecount; /* number of free inodes */
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__be32 agi_newino; /* new inode just allocated */
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__be32 agi_dirino; /* last directory inode chunk */
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/*
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* Hash table of inodes which have been unlinked but are
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* still being referenced.
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*/
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__be32 agi_unlinked[XFS_AGI_UNLINKED_BUCKETS];
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/*
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* This marks the end of logging region 1 and start of logging region 2.
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*/
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uuid_t agi_uuid; /* uuid of filesystem */
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__be32 agi_crc; /* crc of agi sector */
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__be32 agi_pad32;
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__be64 agi_lsn; /* last write sequence */
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__be32 agi_free_root; /* root of the free inode btree */
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__be32 agi_free_level;/* levels in free inode btree */
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/* structure must be padded to 64 bit alignment */
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} xfs_agi_t;
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#define XFS_AGI_CRC_OFF offsetof(struct xfs_agi, agi_crc)
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#define XFS_AGI_MAGICNUM (1 << 0)
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#define XFS_AGI_VERSIONNUM (1 << 1)
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#define XFS_AGI_SEQNO (1 << 2)
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#define XFS_AGI_LENGTH (1 << 3)
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#define XFS_AGI_COUNT (1 << 4)
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#define XFS_AGI_ROOT (1 << 5)
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#define XFS_AGI_LEVEL (1 << 6)
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#define XFS_AGI_FREECOUNT (1 << 7)
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#define XFS_AGI_NEWINO (1 << 8)
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#define XFS_AGI_DIRINO (1 << 9)
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#define XFS_AGI_UNLINKED (1 << 10)
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#define XFS_AGI_NUM_BITS_R1 11 /* end of the 1st agi logging region */
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#define XFS_AGI_ALL_BITS_R1 ((1 << XFS_AGI_NUM_BITS_R1) - 1)
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#define XFS_AGI_FREE_ROOT (1 << 11)
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#define XFS_AGI_FREE_LEVEL (1 << 12)
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#define XFS_AGI_NUM_BITS_R2 13
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/* disk block (xfs_daddr_t) in the AG */
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#define XFS_AGI_DADDR(mp) ((xfs_daddr_t)(2 << (mp)->m_sectbb_log))
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#define XFS_AGI_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGI_DADDR(mp))
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#define XFS_BUF_TO_AGI(bp) ((xfs_agi_t *)((bp)->b_addr))
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extern int xfs_read_agi(struct xfs_mount *mp, struct xfs_trans *tp,
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xfs_agnumber_t agno, struct xfs_buf **bpp);
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/*
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* The third a.g. block contains the a.g. freelist, an array
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* of block pointers to blocks owned by the allocation btree code.
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*/
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#define XFS_AGFL_DADDR(mp) ((xfs_daddr_t)(3 << (mp)->m_sectbb_log))
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#define XFS_AGFL_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGFL_DADDR(mp))
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#define XFS_BUF_TO_AGFL(bp) ((xfs_agfl_t *)((bp)->b_addr))
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#define XFS_BUF_TO_AGFL_BNO(mp, bp) \
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(xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
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&(XFS_BUF_TO_AGFL(bp)->agfl_bno[0]) : \
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(__be32 *)(bp)->b_addr)
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/*
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* Size of the AGFL. For CRC-enabled filesystes we steal a couple of
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* slots in the beginning of the block for a proper header with the
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* location information and CRC.
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*/
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#define XFS_AGFL_SIZE(mp) \
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(((mp)->m_sb.sb_sectsize - \
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(xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
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sizeof(struct xfs_agfl) : 0)) / \
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sizeof(xfs_agblock_t))
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typedef struct xfs_agfl {
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__be32 agfl_magicnum;
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__be32 agfl_seqno;
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uuid_t agfl_uuid;
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__be64 agfl_lsn;
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__be32 agfl_crc;
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__be32 agfl_bno[]; /* actually XFS_AGFL_SIZE(mp) */
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} xfs_agfl_t;
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#define XFS_AGFL_CRC_OFF offsetof(struct xfs_agfl, agfl_crc)
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/*
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* tags for inode radix tree
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*/
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#define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup
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in xfs_inode_ag_iterator */
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#define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */
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#define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */
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#define XFS_AG_MAXLEVELS(mp) ((mp)->m_ag_maxlevels)
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#define XFS_MIN_FREELIST_RAW(bl,cl,mp) \
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(MIN(bl + 1, XFS_AG_MAXLEVELS(mp)) + MIN(cl + 1, XFS_AG_MAXLEVELS(mp)))
250
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#define XFS_MIN_FREELIST(a,mp) \
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(XFS_MIN_FREELIST_RAW( \
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be32_to_cpu((a)->agf_levels[XFS_BTNUM_BNOi]), \
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be32_to_cpu((a)->agf_levels[XFS_BTNUM_CNTi]), mp))
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#define XFS_MIN_FREELIST_PAG(pag,mp) \
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(XFS_MIN_FREELIST_RAW( \
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(unsigned int)(pag)->pagf_levels[XFS_BTNUM_BNOi], \
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(unsigned int)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp))
258
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#define XFS_AGB_TO_FSB(mp,agno,agbno) \
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(((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno))
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#define XFS_FSB_TO_AGNO(mp,fsbno) \
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((xfs_agnumber_t)((fsbno) >> (mp)->m_sb.sb_agblklog))
263
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#define XFS_FSB_TO_AGBNO(mp,fsbno) \
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((xfs_agblock_t)((fsbno) & xfs_mask32lo((mp)->m_sb.sb_agblklog)))
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#define XFS_AGB_TO_DADDR(mp,agno,agbno) \
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((xfs_daddr_t)XFS_FSB_TO_BB(mp, \
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(xfs_fsblock_t)(agno) * (mp)->m_sb.sb_agblocks + (agbno)))
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#define XFS_AG_DADDR(mp,agno,d) (XFS_AGB_TO_DADDR(mp, agno, 0) + (d))
269
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/*
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* For checking for bad ranges of xfs_daddr_t's, covering multiple
272
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* allocation groups or a single xfs_daddr_t that's a superblock copy.
273
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*/
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#define XFS_AG_CHECK_DADDR(mp,d,len) \
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((len) == 1 ? \
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ASSERT((d) == XFS_SB_DADDR || \
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xfs_daddr_to_agbno(mp, d) != XFS_SB_DADDR) : \
278
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ASSERT(xfs_daddr_to_agno(mp, d) == \
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xfs_daddr_to_agno(mp, (d) + (len) - 1)))
280
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#endif /* __XFS_AG_H__ */
-1
fs/xfs/libxfs/xfs_alloc.c
-1
fs/xfs/libxfs/xfs_alloc.c
+3
fs/xfs/libxfs/xfs_alloc.h
+3
fs/xfs/libxfs/xfs_alloc.h
-1
fs/xfs/libxfs/xfs_alloc_btree.c
-1
fs/xfs/libxfs/xfs_alloc_btree.c
-1
fs/xfs/libxfs/xfs_attr.c
-1
fs/xfs/libxfs/xfs_attr.c
-1
fs/xfs/libxfs/xfs_attr_leaf.c
-1
fs/xfs/libxfs/xfs_attr_leaf.c
-1
fs/xfs/libxfs/xfs_attr_remote.c
-1
fs/xfs/libxfs/xfs_attr_remote.c
-1
fs/xfs/libxfs/xfs_bmap.c
-1
fs/xfs/libxfs/xfs_bmap.c
-1
fs/xfs/libxfs/xfs_bmap_btree.c
-1
fs/xfs/libxfs/xfs_bmap_btree.c
-1
fs/xfs/libxfs/xfs_btree.c
-1
fs/xfs/libxfs/xfs_btree.c
-1
fs/xfs/libxfs/xfs_da_btree.c
-1
fs/xfs/libxfs/xfs_da_btree.c
-1
fs/xfs/libxfs/xfs_da_format.c
-1
fs/xfs/libxfs/xfs_da_format.c
-1
fs/xfs/libxfs/xfs_dir2.c
-1
fs/xfs/libxfs/xfs_dir2.c
-1
fs/xfs/libxfs/xfs_dir2_block.c
-1
fs/xfs/libxfs/xfs_dir2_block.c
-1
fs/xfs/libxfs/xfs_dir2_data.c
-1
fs/xfs/libxfs/xfs_dir2_data.c
-1
fs/xfs/libxfs/xfs_dir2_leaf.c
-1
fs/xfs/libxfs/xfs_dir2_leaf.c
-1
fs/xfs/libxfs/xfs_dir2_node.c
-1
fs/xfs/libxfs/xfs_dir2_node.c
-1
fs/xfs/libxfs/xfs_dir2_sf.c
-1
fs/xfs/libxfs/xfs_dir2_sf.c
-1
fs/xfs/libxfs/xfs_dquot_buf.c
-1
fs/xfs/libxfs/xfs_dquot_buf.c
+243
fs/xfs/libxfs/xfs_format.h
+243
fs/xfs/libxfs/xfs_format.h
···
33
33
struct xfs_buf;
34
34
struct xfs_ifork;
35
35
36
+
/*
37
+
* Allocation group header
38
+
*
39
+
* This is divided into three structures, placed in sequential 512-byte
40
+
* buffers after a copy of the superblock (also in a 512-byte buffer).
41
+
*/
42
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#define XFS_AGF_MAGIC 0x58414746 /* 'XAGF' */
43
+
#define XFS_AGI_MAGIC 0x58414749 /* 'XAGI' */
44
+
#define XFS_AGFL_MAGIC 0x5841464c /* 'XAFL' */
45
+
#define XFS_AGF_VERSION 1
46
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#define XFS_AGI_VERSION 1
47
+
48
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#define XFS_AGF_GOOD_VERSION(v) ((v) == XFS_AGF_VERSION)
49
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#define XFS_AGI_GOOD_VERSION(v) ((v) == XFS_AGI_VERSION)
50
+
51
+
/*
52
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* Btree number 0 is bno, 1 is cnt. This value gives the size of the
53
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* arrays below.
54
+
*/
55
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#define XFS_BTNUM_AGF ((int)XFS_BTNUM_CNTi + 1)
56
+
57
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/*
58
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* The second word of agf_levels in the first a.g. overlaps the EFS
59
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* superblock's magic number. Since the magic numbers valid for EFS
60
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* are > 64k, our value cannot be confused for an EFS superblock's.
61
+
*/
62
+
63
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typedef struct xfs_agf {
64
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/*
65
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* Common allocation group header information
66
+
*/
67
+
__be32 agf_magicnum; /* magic number == XFS_AGF_MAGIC */
68
+
__be32 agf_versionnum; /* header version == XFS_AGF_VERSION */
69
+
__be32 agf_seqno; /* sequence # starting from 0 */
70
+
__be32 agf_length; /* size in blocks of a.g. */
71
+
/*
72
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* Freespace information
73
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*/
74
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__be32 agf_roots[XFS_BTNUM_AGF]; /* root blocks */
75
+
__be32 agf_spare0; /* spare field */
76
+
__be32 agf_levels[XFS_BTNUM_AGF]; /* btree levels */
77
+
__be32 agf_spare1; /* spare field */
78
+
79
+
__be32 agf_flfirst; /* first freelist block's index */
80
+
__be32 agf_fllast; /* last freelist block's index */
81
+
__be32 agf_flcount; /* count of blocks in freelist */
82
+
__be32 agf_freeblks; /* total free blocks */
83
+
84
+
__be32 agf_longest; /* longest free space */
85
+
__be32 agf_btreeblks; /* # of blocks held in AGF btrees */
86
+
uuid_t agf_uuid; /* uuid of filesystem */
87
+
88
+
/*
89
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* reserve some contiguous space for future logged fields before we add
90
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* the unlogged fields. This makes the range logging via flags and
91
+
* structure offsets much simpler.
92
+
*/
93
+
__be64 agf_spare64[16];
94
+
95
+
/* unlogged fields, written during buffer writeback. */
96
+
__be64 agf_lsn; /* last write sequence */
97
+
__be32 agf_crc; /* crc of agf sector */
98
+
__be32 agf_spare2;
99
+
100
+
/* structure must be padded to 64 bit alignment */
101
+
} xfs_agf_t;
102
+
103
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#define XFS_AGF_CRC_OFF offsetof(struct xfs_agf, agf_crc)
104
+
105
+
#define XFS_AGF_MAGICNUM 0x00000001
106
+
#define XFS_AGF_VERSIONNUM 0x00000002
107
+
#define XFS_AGF_SEQNO 0x00000004
108
+
#define XFS_AGF_LENGTH 0x00000008
109
+
#define XFS_AGF_ROOTS 0x00000010
110
+
#define XFS_AGF_LEVELS 0x00000020
111
+
#define XFS_AGF_FLFIRST 0x00000040
112
+
#define XFS_AGF_FLLAST 0x00000080
113
+
#define XFS_AGF_FLCOUNT 0x00000100
114
+
#define XFS_AGF_FREEBLKS 0x00000200
115
+
#define XFS_AGF_LONGEST 0x00000400
116
+
#define XFS_AGF_BTREEBLKS 0x00000800
117
+
#define XFS_AGF_UUID 0x00001000
118
+
#define XFS_AGF_NUM_BITS 13
119
+
#define XFS_AGF_ALL_BITS ((1 << XFS_AGF_NUM_BITS) - 1)
120
+
121
+
#define XFS_AGF_FLAGS \
122
+
{ XFS_AGF_MAGICNUM, "MAGICNUM" }, \
123
+
{ XFS_AGF_VERSIONNUM, "VERSIONNUM" }, \
124
+
{ XFS_AGF_SEQNO, "SEQNO" }, \
125
+
{ XFS_AGF_LENGTH, "LENGTH" }, \
126
+
{ XFS_AGF_ROOTS, "ROOTS" }, \
127
+
{ XFS_AGF_LEVELS, "LEVELS" }, \
128
+
{ XFS_AGF_FLFIRST, "FLFIRST" }, \
129
+
{ XFS_AGF_FLLAST, "FLLAST" }, \
130
+
{ XFS_AGF_FLCOUNT, "FLCOUNT" }, \
131
+
{ XFS_AGF_FREEBLKS, "FREEBLKS" }, \
132
+
{ XFS_AGF_LONGEST, "LONGEST" }, \
133
+
{ XFS_AGF_BTREEBLKS, "BTREEBLKS" }, \
134
+
{ XFS_AGF_UUID, "UUID" }
135
+
136
+
/* disk block (xfs_daddr_t) in the AG */
137
+
#define XFS_AGF_DADDR(mp) ((xfs_daddr_t)(1 << (mp)->m_sectbb_log))
138
+
#define XFS_AGF_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGF_DADDR(mp))
139
+
#define XFS_BUF_TO_AGF(bp) ((xfs_agf_t *)((bp)->b_addr))
140
+
141
+
/*
142
+
* Size of the unlinked inode hash table in the agi.
143
+
*/
144
+
#define XFS_AGI_UNLINKED_BUCKETS 64
145
+
146
+
typedef struct xfs_agi {
147
+
/*
148
+
* Common allocation group header information
149
+
*/
150
+
__be32 agi_magicnum; /* magic number == XFS_AGI_MAGIC */
151
+
__be32 agi_versionnum; /* header version == XFS_AGI_VERSION */
152
+
__be32 agi_seqno; /* sequence # starting from 0 */
153
+
__be32 agi_length; /* size in blocks of a.g. */
154
+
/*
155
+
* Inode information
156
+
* Inodes are mapped by interpreting the inode number, so no
157
+
* mapping data is needed here.
158
+
*/
159
+
__be32 agi_count; /* count of allocated inodes */
160
+
__be32 agi_root; /* root of inode btree */
161
+
__be32 agi_level; /* levels in inode btree */
162
+
__be32 agi_freecount; /* number of free inodes */
163
+
164
+
__be32 agi_newino; /* new inode just allocated */
165
+
__be32 agi_dirino; /* last directory inode chunk */
166
+
/*
167
+
* Hash table of inodes which have been unlinked but are
168
+
* still being referenced.
169
+
*/
170
+
__be32 agi_unlinked[XFS_AGI_UNLINKED_BUCKETS];
171
+
/*
172
+
* This marks the end of logging region 1 and start of logging region 2.
173
+
*/
174
+
uuid_t agi_uuid; /* uuid of filesystem */
175
+
__be32 agi_crc; /* crc of agi sector */
176
+
__be32 agi_pad32;
177
+
__be64 agi_lsn; /* last write sequence */
178
+
179
+
__be32 agi_free_root; /* root of the free inode btree */
180
+
__be32 agi_free_level;/* levels in free inode btree */
181
+
182
+
/* structure must be padded to 64 bit alignment */
183
+
} xfs_agi_t;
184
+
185
+
#define XFS_AGI_CRC_OFF offsetof(struct xfs_agi, agi_crc)
186
+
187
+
#define XFS_AGI_MAGICNUM (1 << 0)
188
+
#define XFS_AGI_VERSIONNUM (1 << 1)
189
+
#define XFS_AGI_SEQNO (1 << 2)
190
+
#define XFS_AGI_LENGTH (1 << 3)
191
+
#define XFS_AGI_COUNT (1 << 4)
192
+
#define XFS_AGI_ROOT (1 << 5)
193
+
#define XFS_AGI_LEVEL (1 << 6)
194
+
#define XFS_AGI_FREECOUNT (1 << 7)
195
+
#define XFS_AGI_NEWINO (1 << 8)
196
+
#define XFS_AGI_DIRINO (1 << 9)
197
+
#define XFS_AGI_UNLINKED (1 << 10)
198
+
#define XFS_AGI_NUM_BITS_R1 11 /* end of the 1st agi logging region */
199
+
#define XFS_AGI_ALL_BITS_R1 ((1 << XFS_AGI_NUM_BITS_R1) - 1)
200
+
#define XFS_AGI_FREE_ROOT (1 << 11)
201
+
#define XFS_AGI_FREE_LEVEL (1 << 12)
202
+
#define XFS_AGI_NUM_BITS_R2 13
203
+
204
+
/* disk block (xfs_daddr_t) in the AG */
205
+
#define XFS_AGI_DADDR(mp) ((xfs_daddr_t)(2 << (mp)->m_sectbb_log))
206
+
#define XFS_AGI_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGI_DADDR(mp))
207
+
#define XFS_BUF_TO_AGI(bp) ((xfs_agi_t *)((bp)->b_addr))
208
+
209
+
/*
210
+
* The third a.g. block contains the a.g. freelist, an array
211
+
* of block pointers to blocks owned by the allocation btree code.
212
+
*/
213
+
#define XFS_AGFL_DADDR(mp) ((xfs_daddr_t)(3 << (mp)->m_sectbb_log))
214
+
#define XFS_AGFL_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGFL_DADDR(mp))
215
+
#define XFS_BUF_TO_AGFL(bp) ((xfs_agfl_t *)((bp)->b_addr))
216
+
217
+
#define XFS_BUF_TO_AGFL_BNO(mp, bp) \
218
+
(xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
219
+
&(XFS_BUF_TO_AGFL(bp)->agfl_bno[0]) : \
220
+
(__be32 *)(bp)->b_addr)
221
+
222
+
/*
223
+
* Size of the AGFL. For CRC-enabled filesystes we steal a couple of
224
+
* slots in the beginning of the block for a proper header with the
225
+
* location information and CRC.
226
+
*/
227
+
#define XFS_AGFL_SIZE(mp) \
228
+
(((mp)->m_sb.sb_sectsize - \
229
+
(xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
230
+
sizeof(struct xfs_agfl) : 0)) / \
231
+
sizeof(xfs_agblock_t))
232
+
233
+
typedef struct xfs_agfl {
234
+
__be32 agfl_magicnum;
235
+
__be32 agfl_seqno;
236
+
uuid_t agfl_uuid;
237
+
__be64 agfl_lsn;
238
+
__be32 agfl_crc;
239
+
__be32 agfl_bno[]; /* actually XFS_AGFL_SIZE(mp) */
240
+
} xfs_agfl_t;
241
+
242
+
#define XFS_AGFL_CRC_OFF offsetof(struct xfs_agfl, agfl_crc)
243
+
244
+
245
+
#define XFS_AG_MAXLEVELS(mp) ((mp)->m_ag_maxlevels)
246
+
#define XFS_MIN_FREELIST_RAW(bl,cl,mp) \
247
+
(MIN(bl + 1, XFS_AG_MAXLEVELS(mp)) + MIN(cl + 1, XFS_AG_MAXLEVELS(mp)))
248
+
#define XFS_MIN_FREELIST(a,mp) \
249
+
(XFS_MIN_FREELIST_RAW( \
250
+
be32_to_cpu((a)->agf_levels[XFS_BTNUM_BNOi]), \
251
+
be32_to_cpu((a)->agf_levels[XFS_BTNUM_CNTi]), mp))
252
+
#define XFS_MIN_FREELIST_PAG(pag,mp) \
253
+
(XFS_MIN_FREELIST_RAW( \
254
+
(unsigned int)(pag)->pagf_levels[XFS_BTNUM_BNOi], \
255
+
(unsigned int)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp))
256
+
257
+
#define XFS_AGB_TO_FSB(mp,agno,agbno) \
258
+
(((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno))
259
+
#define XFS_FSB_TO_AGNO(mp,fsbno) \
260
+
((xfs_agnumber_t)((fsbno) >> (mp)->m_sb.sb_agblklog))
261
+
#define XFS_FSB_TO_AGBNO(mp,fsbno) \
262
+
((xfs_agblock_t)((fsbno) & xfs_mask32lo((mp)->m_sb.sb_agblklog)))
263
+
#define XFS_AGB_TO_DADDR(mp,agno,agbno) \
264
+
((xfs_daddr_t)XFS_FSB_TO_BB(mp, \
265
+
(xfs_fsblock_t)(agno) * (mp)->m_sb.sb_agblocks + (agbno)))
266
+
#define XFS_AG_DADDR(mp,agno,d) (XFS_AGB_TO_DADDR(mp, agno, 0) + (d))
267
+
268
+
/*
269
+
* For checking for bad ranges of xfs_daddr_t's, covering multiple
270
+
* allocation groups or a single xfs_daddr_t that's a superblock copy.
271
+
*/
272
+
#define XFS_AG_CHECK_DADDR(mp,d,len) \
273
+
((len) == 1 ? \
274
+
ASSERT((d) == XFS_SB_DADDR || \
275
+
xfs_daddr_to_agbno(mp, d) != XFS_SB_DADDR) : \
276
+
ASSERT(xfs_daddr_to_agno(mp, d) == \
277
+
xfs_daddr_to_agno(mp, (d) + (len) - 1)))
278
+
36
279
typedef struct xfs_timestamp {
37
280
__be32 t_sec; /* timestamp seconds */
38
281
__be32 t_nsec; /* timestamp nanoseconds */
-1
fs/xfs/libxfs/xfs_ialloc.c
-1
fs/xfs/libxfs/xfs_ialloc.c
+4
fs/xfs/libxfs/xfs_ialloc.h
+4
fs/xfs/libxfs/xfs_ialloc.h
-1
fs/xfs/libxfs/xfs_ialloc_btree.c
-1
fs/xfs/libxfs/xfs_ialloc_btree.c
-1
fs/xfs/libxfs/xfs_inode_buf.c
-1
fs/xfs/libxfs/xfs_inode_buf.c
-1
fs/xfs/libxfs/xfs_inode_fork.c
-1
fs/xfs/libxfs/xfs_inode_fork.c
-1
fs/xfs/libxfs/xfs_log_rlimit.c
-1
fs/xfs/libxfs/xfs_log_rlimit.c
-1
fs/xfs/libxfs/xfs_rtbitmap.c
-1
fs/xfs/libxfs/xfs_rtbitmap.c
-1
fs/xfs/libxfs/xfs_sb.c
-1
fs/xfs/libxfs/xfs_sb.c
-1
fs/xfs/libxfs/xfs_symlink_remote.c
-1
fs/xfs/libxfs/xfs_symlink_remote.c
-1
fs/xfs/libxfs/xfs_trans_resv.c
-1
fs/xfs/libxfs/xfs_trans_resv.c
-1
fs/xfs/xfs_acl.c
-1
fs/xfs/xfs_acl.c
-1
fs/xfs/xfs_aops.c
-1
fs/xfs/xfs_aops.c
-1
fs/xfs/xfs_attr_inactive.c
-1
fs/xfs/xfs_attr_inactive.c
-1
fs/xfs/xfs_attr_list.c
-1
fs/xfs/xfs_attr_list.c
-1
fs/xfs/xfs_bmap_util.c
-1
fs/xfs/xfs_bmap_util.c
+1
-1
fs/xfs/xfs_buf.c
+1
-1
fs/xfs/xfs_buf.c
···
34
34
#include <linux/backing-dev.h>
35
35
#include <linux/freezer.h>
36
36
37
+
#include "xfs_format.h"
37
38
#include "xfs_log_format.h"
38
39
#include "xfs_trans_resv.h"
39
40
#include "xfs_sb.h"
40
-
#include "xfs_ag.h"
41
41
#include "xfs_mount.h"
42
42
#include "xfs_trace.h"
43
43
#include "xfs_log.h"
+1
-1
fs/xfs/xfs_buf_item.c
+1
-1
fs/xfs/xfs_buf_item.c
···
17
17
*/
18
18
#include "xfs.h"
19
19
#include "xfs_fs.h"
20
+
#include "xfs_format.h"
20
21
#include "xfs_log_format.h"
21
22
#include "xfs_trans_resv.h"
22
23
#include "xfs_bit.h"
23
24
#include "xfs_sb.h"
24
-
#include "xfs_ag.h"
25
25
#include "xfs_mount.h"
26
26
#include "xfs_trans.h"
27
27
#include "xfs_buf_item.h"
-1
fs/xfs/xfs_dir2_readdir.c
-1
fs/xfs/xfs_dir2_readdir.c
-1
fs/xfs/xfs_discard.c
-1
fs/xfs/xfs_discard.c
-1
fs/xfs/xfs_dquot.c
-1
fs/xfs/xfs_dquot.c
-1
fs/xfs/xfs_dquot_item.c
-1
fs/xfs/xfs_dquot_item.c
-1
fs/xfs/xfs_error.c
-1
fs/xfs/xfs_error.c
-1
fs/xfs/xfs_export.c
-1
fs/xfs/xfs_export.c
-1
fs/xfs/xfs_extent_busy.c
-1
fs/xfs/xfs_extent_busy.c
+1
-1
fs/xfs/xfs_extfree_item.c
+1
-1
fs/xfs/xfs_extfree_item.c
···
17
17
*/
18
18
#include "xfs.h"
19
19
#include "xfs_fs.h"
20
+
#include "xfs_format.h"
20
21
#include "xfs_log_format.h"
21
22
#include "xfs_trans_resv.h"
22
23
#include "xfs_sb.h"
23
-
#include "xfs_ag.h"
24
24
#include "xfs_mount.h"
25
25
#include "xfs_trans.h"
26
26
#include "xfs_trans_priv.h"
-1
fs/xfs/xfs_file.c
-1
fs/xfs/xfs_file.c
-1
fs/xfs/xfs_filestream.c
-1
fs/xfs/xfs_filestream.c
-1
fs/xfs/xfs_fsops.c
-1
fs/xfs/xfs_fsops.c
-1
fs/xfs/xfs_icache.c
-1
fs/xfs/xfs_icache.c
+8
fs/xfs/xfs_icache.h
+8
fs/xfs/xfs_icache.h
···
34
34
#define SYNC_TRYLOCK 0x0002 /* only try to lock inodes */
35
35
36
36
/*
37
+
* tags for inode radix tree
38
+
*/
39
+
#define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup
40
+
in xfs_inode_ag_iterator */
41
+
#define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */
42
+
#define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */
43
+
44
+
/*
37
45
* Flags for xfs_iget()
38
46
*/
39
47
#define XFS_IGET_CREATE 0x1
+1
-1
fs/xfs/xfs_icreate_item.c
+1
-1
fs/xfs/xfs_icreate_item.c
···
18
18
#include "xfs.h"
19
19
#include "xfs_fs.h"
20
20
#include "xfs_shared.h"
21
+
#include "xfs_format.h"
21
22
#include "xfs_log_format.h"
22
23
#include "xfs_trans_resv.h"
23
24
#include "xfs_bit.h"
24
25
#include "xfs_sb.h"
25
-
#include "xfs_ag.h"
26
26
#include "xfs_mount.h"
27
27
#include "xfs_trans.h"
28
28
#include "xfs_trans_priv.h"
-1
fs/xfs/xfs_inode.c
-1
fs/xfs/xfs_inode.c
-1
fs/xfs/xfs_inode_item.c
-1
fs/xfs/xfs_inode_item.c
-1
fs/xfs/xfs_ioctl.c
-1
fs/xfs/xfs_ioctl.c
-1
fs/xfs/xfs_ioctl32.c
-1
fs/xfs/xfs_ioctl32.c
-1
fs/xfs/xfs_iomap.c
-1
fs/xfs/xfs_iomap.c
-1
fs/xfs/xfs_iops.c
-1
fs/xfs/xfs_iops.c
-1
fs/xfs/xfs_itable.c
-1
fs/xfs/xfs_itable.c
-1
fs/xfs/xfs_log.c
-1
fs/xfs/xfs_log.c
+1
-1
fs/xfs/xfs_log_cil.c
+1
-1
fs/xfs/xfs_log_cil.c
···
17
17
18
18
#include "xfs.h"
19
19
#include "xfs_fs.h"
20
+
#include "xfs_format.h"
20
21
#include "xfs_log_format.h"
21
22
#include "xfs_shared.h"
22
23
#include "xfs_trans_resv.h"
23
24
#include "xfs_sb.h"
24
-
#include "xfs_ag.h"
25
25
#include "xfs_mount.h"
26
26
#include "xfs_error.h"
27
27
#include "xfs_alloc.h"
-1
fs/xfs/xfs_log_recover.c
-1
fs/xfs/xfs_log_recover.c
+1
-1
fs/xfs/xfs_message.c
+1
-1
fs/xfs/xfs_message.c
-1
fs/xfs/xfs_mount.c
-1
fs/xfs/xfs_mount.c
+1
-4
fs/xfs/xfs_mount.h
+1
-4
fs/xfs/xfs_mount.h
···
320
320
321
321
/*
322
322
* Per-ag incore structure, copies of information in agf and agi, to improve the
323
-
* performance of allocation group selection. This is defined for the kernel
324
-
* only, and hence is defined here instead of in xfs_ag.h. You need the struct
325
-
* xfs_mount to be defined to look up a xfs_perag anyway (via mp->m_perag_tree),
326
-
* so this doesn't introduce any strange header file dependencies.
323
+
* performance of allocation group selection.
327
324
*/
328
325
typedef struct xfs_perag {
329
326
struct xfs_mount *pag_mount; /* owner filesystem */
-1
fs/xfs/xfs_qm.c
-1
fs/xfs/xfs_qm.c
-1
fs/xfs/xfs_qm_bhv.c
-1
fs/xfs/xfs_qm_bhv.c
-1
fs/xfs/xfs_qm_syscalls.c
-1
fs/xfs/xfs_qm_syscalls.c
-1
fs/xfs/xfs_quotaops.c
-1
fs/xfs/xfs_quotaops.c
-1
fs/xfs/xfs_rtalloc.c
-1
fs/xfs/xfs_rtalloc.c
-1
fs/xfs/xfs_super.c
-1
fs/xfs/xfs_super.c
-1
fs/xfs/xfs_symlink.c
-1
fs/xfs/xfs_symlink.c
-1
fs/xfs/xfs_trace.c
-1
fs/xfs/xfs_trace.c
-1
fs/xfs/xfs_trans.c
-1
fs/xfs/xfs_trans.c
+1
-1
fs/xfs/xfs_trans_ail.c
+1
-1
fs/xfs/xfs_trans_ail.c
···
18
18
*/
19
19
#include "xfs.h"
20
20
#include "xfs_fs.h"
21
+
#include "xfs_format.h"
21
22
#include "xfs_log_format.h"
22
23
#include "xfs_trans_resv.h"
23
24
#include "xfs_sb.h"
24
-
#include "xfs_ag.h"
25
25
#include "xfs_mount.h"
26
26
#include "xfs_trans.h"
27
27
#include "xfs_trans_priv.h"
-1
fs/xfs/xfs_trans_buf.c
-1
fs/xfs/xfs_trans_buf.c
-1
fs/xfs/xfs_trans_dquot.c
-1
fs/xfs/xfs_trans_dquot.c
+1
-1
fs/xfs/xfs_trans_extfree.c
+1
-1
fs/xfs/xfs_trans_extfree.c
···
18
18
#include "xfs.h"
19
19
#include "xfs_fs.h"
20
20
#include "xfs_shared.h"
21
+
#include "xfs_format.h"
21
22
#include "xfs_log_format.h"
22
23
#include "xfs_trans_resv.h"
23
24
#include "xfs_sb.h"
24
-
#include "xfs_ag.h"
25
25
#include "xfs_mount.h"
26
26
#include "xfs_trans.h"
27
27
#include "xfs_trans_priv.h"
-1
fs/xfs/xfs_trans_inode.c
-1
fs/xfs/xfs_trans_inode.c