From a36159eec6ca17402b0e146b86efaf76568dc353 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 20 Sep 2024 01:41:23 +0000
Subject: [PATCH] 重命名 AX88772C_eeprom/asix.c 为 asix_mac.c
---
kernel/fs/xfs/libxfs/xfs_ialloc.c | 536 ++++++++++++++++++++++++++++++++++++++++-------------------
1 files changed, 363 insertions(+), 173 deletions(-)
diff --git a/kernel/fs/xfs/libxfs/xfs_ialloc.c b/kernel/fs/xfs/libxfs/xfs_ialloc.c
index a8f6db7..974e71b 100644
--- a/kernel/fs/xfs/libxfs/xfs_ialloc.c
+++ b/kernel/fs/xfs/libxfs/xfs_ialloc.c
@@ -12,17 +12,14 @@
#include "xfs_bit.h"
#include "xfs_sb.h"
#include "xfs_mount.h"
-#include "xfs_defer.h"
#include "xfs_inode.h"
#include "xfs_btree.h"
#include "xfs_ialloc.h"
#include "xfs_ialloc_btree.h"
#include "xfs_alloc.h"
-#include "xfs_rtalloc.h"
#include "xfs_errortag.h"
#include "xfs_error.h"
#include "xfs_bmap.h"
-#include "xfs_cksum.h"
#include "xfs_trans.h"
#include "xfs_buf_item.h"
#include "xfs_icreate_item.h"
@@ -30,20 +27,6 @@
#include "xfs_trace.h"
#include "xfs_log.h"
#include "xfs_rmap.h"
-
-
-/*
- * Allocation group level functions.
- */
-int
-xfs_ialloc_cluster_alignment(
- struct xfs_mount *mp)
-{
- if (xfs_sb_version_hasalign(&mp->m_sb) &&
- mp->m_sb.sb_inoalignmt >= xfs_icluster_size_fsb(mp))
- return mp->m_sb.sb_inoalignmt;
- return 1;
-}
/*
* Lookup a record by ino in the btree given by cur.
@@ -122,7 +105,7 @@
int *stat)
{
struct xfs_mount *mp = cur->bc_mp;
- xfs_agnumber_t agno = cur->bc_private.a.agno;
+ xfs_agnumber_t agno = cur->bc_ag.agno;
union xfs_btree_rec *rec;
int error;
uint64_t realfree;
@@ -194,7 +177,7 @@
xfs_btnum_t btnum)
{
struct xfs_btree_cur *cur;
- struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp);
+ struct xfs_agi *agi = agbp->b_addr;
xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno);
xfs_agino_t thisino;
int i;
@@ -288,20 +271,19 @@
{
struct xfs_buf *fbuf;
struct xfs_dinode *free;
- int nbufs, blks_per_cluster, inodes_per_cluster;
+ int nbufs;
int version;
int i, j;
xfs_daddr_t d;
xfs_ino_t ino = 0;
+ int error;
/*
* Loop over the new block(s), filling in the inodes. For small block
* sizes, manipulate the inodes in buffers which are multiples of the
* blocks size.
*/
- blks_per_cluster = xfs_icluster_size_fsb(mp);
- inodes_per_cluster = blks_per_cluster << mp->m_sb.sb_inopblog;
- nbufs = length / blks_per_cluster;
+ nbufs = length / M_IGEO(mp)->blocks_per_cluster;
/*
* Figure out what version number to use in the inodes we create. If
@@ -312,7 +294,7 @@
*
* For v3 inodes, we also need to write the inode number into the inode,
* so calculate the first inode number of the chunk here as
- * XFS_OFFBNO_TO_AGINO() only works within a filesystem block, not
+ * XFS_AGB_TO_AGINO() only works within a filesystem block, not
* across multiple filesystem blocks (such as a cluster) and so cannot
* be used in the cluster buffer loop below.
*
@@ -322,10 +304,9 @@
* That means for v3 inode we log the entire buffer rather than just the
* inode cores.
*/
- if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ if (xfs_sb_version_has_v3inode(&mp->m_sb)) {
version = 3;
- ino = XFS_AGINO_TO_INO(mp, agno,
- XFS_OFFBNO_TO_AGINO(mp, agbno, 0));
+ ino = XFS_AGINO_TO_INO(mp, agno, XFS_AGB_TO_AGINO(mp, agbno));
/*
* log the initialisation that is about to take place as an
@@ -345,19 +326,20 @@
/*
* Get the block.
*/
- d = XFS_AGB_TO_DADDR(mp, agno, agbno + (j * blks_per_cluster));
- fbuf = xfs_trans_get_buf(tp, mp->m_ddev_targp, d,
- mp->m_bsize * blks_per_cluster,
- XBF_UNMAPPED);
- if (!fbuf)
- return -ENOMEM;
+ d = XFS_AGB_TO_DADDR(mp, agno, agbno +
+ (j * M_IGEO(mp)->blocks_per_cluster));
+ error = xfs_trans_get_buf(tp, mp->m_ddev_targp, d,
+ mp->m_bsize * M_IGEO(mp)->blocks_per_cluster,
+ XBF_UNMAPPED, &fbuf);
+ if (error)
+ return error;
/* Initialize the inode buffers and log them appropriately. */
fbuf->b_ops = &xfs_inode_buf_ops;
xfs_buf_zero(fbuf, 0, BBTOB(fbuf->b_length));
- for (i = 0; i < inodes_per_cluster; i++) {
+ for (i = 0; i < M_IGEO(mp)->inodes_per_cluster; i++) {
int ioffset = i << mp->m_sb.sb_inodelog;
- uint isize = xfs_dinode_size(version);
+ uint isize = XFS_DINODE_SIZE(&mp->m_sb);
free = xfs_make_iptr(mp, fbuf, i);
free->di_magic = cpu_to_be16(XFS_DINODE_MAGIC);
@@ -445,7 +427,7 @@
return;
/* calculate the inode offset and align startino */
- offset = mod << mp->m_sb.sb_inopblog;
+ offset = XFS_AGB_TO_AGINO(mp, mod);
*startino -= offset;
/*
@@ -543,7 +525,7 @@
bool merge) /* merge or replace */
{
struct xfs_btree_cur *cur;
- struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp);
+ struct xfs_agi *agi = agbp->b_addr;
xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno);
int error;
int i;
@@ -562,7 +544,10 @@
nrec->ir_free, &i);
if (error)
goto error;
- XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error);
+ if (XFS_IS_CORRUPT(mp, i != 1)) {
+ error = -EFSCORRUPTED;
+ goto error;
+ }
goto out;
}
@@ -575,17 +560,23 @@
error = xfs_inobt_get_rec(cur, &rec, &i);
if (error)
goto error;
- XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error);
- XFS_WANT_CORRUPTED_GOTO(mp,
- rec.ir_startino == nrec->ir_startino,
- error);
+ if (XFS_IS_CORRUPT(mp, i != 1)) {
+ error = -EFSCORRUPTED;
+ goto error;
+ }
+ if (XFS_IS_CORRUPT(mp, rec.ir_startino != nrec->ir_startino)) {
+ error = -EFSCORRUPTED;
+ goto error;
+ }
/*
* This should never fail. If we have coexisting records that
* cannot merge, something is seriously wrong.
*/
- XFS_WANT_CORRUPTED_GOTO(mp, __xfs_inobt_can_merge(nrec, &rec),
- error);
+ if (XFS_IS_CORRUPT(mp, !__xfs_inobt_can_merge(nrec, &rec))) {
+ error = -EFSCORRUPTED;
+ goto error;
+ }
trace_xfs_irec_merge_pre(mp, agno, rec.ir_startino,
rec.ir_holemask, nrec->ir_startino,
@@ -618,35 +609,37 @@
* Allocate new inodes in the allocation group specified by agbp.
* Return 0 for success, else error code.
*/
-STATIC int /* error code or 0 */
+STATIC int
xfs_ialloc_ag_alloc(
- xfs_trans_t *tp, /* transaction pointer */
- xfs_buf_t *agbp, /* alloc group buffer */
- int *alloc)
+ struct xfs_trans *tp,
+ struct xfs_buf *agbp,
+ int *alloc)
{
- xfs_agi_t *agi; /* allocation group header */
- xfs_alloc_arg_t args; /* allocation argument structure */
- xfs_agnumber_t agno;
- int error;
- xfs_agino_t newino; /* new first inode's number */
- xfs_agino_t newlen; /* new number of inodes */
- int isaligned = 0; /* inode allocation at stripe unit */
- /* boundary */
- uint16_t allocmask = (uint16_t) -1; /* init. to full chunk */
+ struct xfs_agi *agi;
+ struct xfs_alloc_arg args;
+ xfs_agnumber_t agno;
+ int error;
+ xfs_agino_t newino; /* new first inode's number */
+ xfs_agino_t newlen; /* new number of inodes */
+ int isaligned = 0; /* inode allocation at stripe */
+ /* unit boundary */
+ /* init. to full chunk */
+ uint16_t allocmask = (uint16_t) -1;
struct xfs_inobt_rec_incore rec;
- struct xfs_perag *pag;
- int do_sparse = 0;
+ struct xfs_perag *pag;
+ struct xfs_ino_geometry *igeo = M_IGEO(tp->t_mountp);
+ int do_sparse = 0;
memset(&args, 0, sizeof(args));
args.tp = tp;
args.mp = tp->t_mountp;
args.fsbno = NULLFSBLOCK;
- xfs_rmap_ag_owner(&args.oinfo, XFS_RMAP_OWN_INODES);
+ args.oinfo = XFS_RMAP_OINFO_INODES;
#ifdef DEBUG
/* randomly do sparse inode allocations */
if (xfs_sb_version_hassparseinodes(&tp->t_mountp->m_sb) &&
- args.mp->m_ialloc_min_blks < args.mp->m_ialloc_blks)
+ igeo->ialloc_min_blks < igeo->ialloc_blks)
do_sparse = prandom_u32() & 1;
#endif
@@ -654,22 +647,22 @@
* Locking will ensure that we don't have two callers in here
* at one time.
*/
- newlen = args.mp->m_ialloc_inos;
- if (args.mp->m_maxicount &&
+ newlen = igeo->ialloc_inos;
+ if (igeo->maxicount &&
percpu_counter_read_positive(&args.mp->m_icount) + newlen >
- args.mp->m_maxicount)
+ igeo->maxicount)
return -ENOSPC;
- args.minlen = args.maxlen = args.mp->m_ialloc_blks;
+ args.minlen = args.maxlen = igeo->ialloc_blks;
/*
* First try to allocate inodes contiguous with the last-allocated
* chunk of inodes. If the filesystem is striped, this will fill
* an entire stripe unit with inodes.
*/
- agi = XFS_BUF_TO_AGI(agbp);
+ agi = agbp->b_addr;
newino = be32_to_cpu(agi->agi_newino);
agno = be32_to_cpu(agi->agi_seqno);
args.agbno = XFS_AGINO_TO_AGBNO(args.mp, newino) +
- args.mp->m_ialloc_blks;
+ igeo->ialloc_blks;
if (do_sparse)
goto sparse_alloc;
if (likely(newino != NULLAGINO &&
@@ -692,10 +685,10 @@
* but not to use them in the actual exact allocation.
*/
args.alignment = 1;
- args.minalignslop = xfs_ialloc_cluster_alignment(args.mp) - 1;
+ args.minalignslop = igeo->cluster_align - 1;
/* Allow space for the inode btree to split. */
- args.minleft = args.mp->m_in_maxlevels - 1;
+ args.minleft = igeo->inobt_maxlevels;
if ((error = xfs_alloc_vextent(&args)))
return error;
@@ -722,12 +715,12 @@
* pieces, so don't need alignment anyway.
*/
isaligned = 0;
- if (args.mp->m_sinoalign) {
+ if (igeo->ialloc_align) {
ASSERT(!(args.mp->m_flags & XFS_MOUNT_NOALIGN));
args.alignment = args.mp->m_dalign;
isaligned = 1;
} else
- args.alignment = xfs_ialloc_cluster_alignment(args.mp);
+ args.alignment = igeo->cluster_align;
/*
* Need to figure out where to allocate the inode blocks.
* Ideally they should be spaced out through the a.g.
@@ -743,7 +736,7 @@
/*
* Allow space for the inode btree to split.
*/
- args.minleft = args.mp->m_in_maxlevels - 1;
+ args.minleft = igeo->inobt_maxlevels;
if ((error = xfs_alloc_vextent(&args)))
return error;
}
@@ -756,7 +749,7 @@
args.type = XFS_ALLOCTYPE_NEAR_BNO;
args.agbno = be32_to_cpu(agi->agi_root);
args.fsbno = XFS_AGB_TO_FSB(args.mp, agno, args.agbno);
- args.alignment = xfs_ialloc_cluster_alignment(args.mp);
+ args.alignment = igeo->cluster_align;
if ((error = xfs_alloc_vextent(&args)))
return error;
}
@@ -766,7 +759,7 @@
* the sparse allocation length is smaller than a full chunk.
*/
if (xfs_sb_version_hassparseinodes(&args.mp->m_sb) &&
- args.mp->m_ialloc_min_blks < args.mp->m_ialloc_blks &&
+ igeo->ialloc_min_blks < igeo->ialloc_blks &&
args.fsbno == NULLFSBLOCK) {
sparse_alloc:
args.type = XFS_ALLOCTYPE_NEAR_BNO;
@@ -775,7 +768,7 @@
args.alignment = args.mp->m_sb.sb_spino_align;
args.prod = 1;
- args.minlen = args.mp->m_ialloc_min_blks;
+ args.minlen = igeo->ialloc_min_blks;
args.maxlen = args.minlen;
/*
@@ -791,13 +784,13 @@
args.min_agbno = args.mp->m_sb.sb_inoalignmt;
args.max_agbno = round_down(args.mp->m_sb.sb_agblocks,
args.mp->m_sb.sb_inoalignmt) -
- args.mp->m_ialloc_blks;
+ igeo->ialloc_blks;
error = xfs_alloc_vextent(&args);
if (error)
return error;
- newlen = args.len << args.mp->m_sb.sb_inopblog;
+ newlen = XFS_AGB_TO_AGINO(args.mp, args.len);
ASSERT(newlen <= XFS_INODES_PER_CHUNK);
allocmask = (1 << (newlen / XFS_INODES_PER_HOLEMASK_BIT)) - 1;
}
@@ -825,7 +818,7 @@
/*
* Convert the results.
*/
- newino = XFS_OFFBNO_TO_AGINO(args.mp, args.agbno, 0);
+ newino = XFS_AGB_TO_AGINO(args.mp, args.agbno);
if (xfs_inobt_issparse(~allocmask)) {
/*
@@ -895,10 +888,9 @@
*/
be32_add_cpu(&agi->agi_count, newlen);
be32_add_cpu(&agi->agi_freecount, newlen);
- pag = xfs_perag_get(args.mp, agno);
+ pag = agbp->b_pag;
pag->pagi_freecount += newlen;
pag->pagi_count += newlen;
- xfs_perag_put(pag);
agi->agi_newino = cpu_to_be32(newino);
/*
@@ -1008,7 +1000,7 @@
* space needed for alignment of inode chunks when checking the
* longest contiguous free space in the AG - this prevents us
* from getting ENOSPC because we have free space larger than
- * m_ialloc_blks but alignment constraints prevent us from using
+ * ialloc_blks but alignment constraints prevent us from using
* it.
*
* If we can't find an AG with space for full alignment slack to
@@ -1017,9 +1009,9 @@
* if we fail allocation due to alignment issues then it is most
* likely a real ENOSPC condition.
*/
- ineed = mp->m_ialloc_min_blks;
+ ineed = M_IGEO(mp)->ialloc_min_blks;
if (flags && ineed > 1)
- ineed += xfs_ialloc_cluster_alignment(mp);
+ ineed += M_IGEO(mp)->cluster_align;
longest = pag->pagf_longest;
if (!longest)
longest = pag->pagf_flcount > 0;
@@ -1073,7 +1065,8 @@
error = xfs_inobt_get_rec(cur, rec, &i);
if (error)
return error;
- XFS_WANT_CORRUPTED_RETURN(cur->bc_mp, i == 1);
+ if (XFS_IS_CORRUPT(cur->bc_mp, i != 1))
+ return -EFSCORRUPTED;
}
return 0;
@@ -1097,7 +1090,8 @@
error = xfs_inobt_get_rec(cur, rec, &i);
if (error)
return error;
- XFS_WANT_CORRUPTED_RETURN(cur->bc_mp, i == 1);
+ if (XFS_IS_CORRUPT(cur->bc_mp, i != 1))
+ return -EFSCORRUPTED;
}
return 0;
@@ -1135,11 +1129,11 @@
xfs_ino_t *inop)
{
struct xfs_mount *mp = tp->t_mountp;
- struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp);
+ struct xfs_agi *agi = agbp->b_addr;
xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno);
xfs_agnumber_t pagno = XFS_INO_TO_AGNO(mp, parent);
xfs_agino_t pagino = XFS_INO_TO_AGINO(mp, parent);
- struct xfs_perag *pag;
+ struct xfs_perag *pag = agbp->b_pag;
struct xfs_btree_cur *cur, *tcur;
struct xfs_inobt_rec_incore rec, trec;
xfs_ino_t ino;
@@ -1147,8 +1141,6 @@
int offset;
int i, j;
int searchdistance = 10;
-
- pag = xfs_perag_get(mp, agno);
ASSERT(pag->pagi_init);
ASSERT(pag->pagi_inodeok);
@@ -1177,12 +1169,18 @@
error = xfs_inobt_lookup(cur, pagino, XFS_LOOKUP_LE, &i);
if (error)
goto error0;
- XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
+ if (XFS_IS_CORRUPT(mp, i != 1)) {
+ error = -EFSCORRUPTED;
+ goto error0;
+ }
error = xfs_inobt_get_rec(cur, &rec, &j);
if (error)
goto error0;
- XFS_WANT_CORRUPTED_GOTO(mp, j == 1, error0);
+ if (XFS_IS_CORRUPT(mp, j != 1)) {
+ error = -EFSCORRUPTED;
+ goto error0;
+ }
if (rec.ir_freecount > 0) {
/*
@@ -1337,19 +1335,28 @@
error = xfs_inobt_lookup(cur, 0, XFS_LOOKUP_GE, &i);
if (error)
goto error0;
- XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
+ if (XFS_IS_CORRUPT(mp, i != 1)) {
+ error = -EFSCORRUPTED;
+ goto error0;
+ }
for (;;) {
error = xfs_inobt_get_rec(cur, &rec, &i);
if (error)
goto error0;
- XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
+ if (XFS_IS_CORRUPT(mp, i != 1)) {
+ error = -EFSCORRUPTED;
+ goto error0;
+ }
if (rec.ir_freecount > 0)
break;
error = xfs_btree_increment(cur, 0, &i);
if (error)
goto error0;
- XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
+ if (XFS_IS_CORRUPT(mp, i != 1)) {
+ error = -EFSCORRUPTED;
+ goto error0;
+ }
}
alloc_inode:
@@ -1374,14 +1381,12 @@
xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR);
xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, -1);
- xfs_perag_put(pag);
*inop = ino;
return 0;
error1:
xfs_btree_del_cursor(tcur, XFS_BTREE_ERROR);
error0:
xfs_btree_del_cursor(cur, XFS_BTREE_ERROR);
- xfs_perag_put(pag);
return error;
}
@@ -1409,7 +1414,8 @@
error = xfs_inobt_get_rec(lcur, rec, &i);
if (error)
return error;
- XFS_WANT_CORRUPTED_RETURN(lcur->bc_mp, i == 1);
+ if (XFS_IS_CORRUPT(lcur->bc_mp, i != 1))
+ return -EFSCORRUPTED;
/*
* See if we've landed in the parent inode record. The finobt
@@ -1432,10 +1438,16 @@
error = xfs_inobt_get_rec(rcur, &rrec, &j);
if (error)
goto error_rcur;
- XFS_WANT_CORRUPTED_GOTO(lcur->bc_mp, j == 1, error_rcur);
+ if (XFS_IS_CORRUPT(lcur->bc_mp, j != 1)) {
+ error = -EFSCORRUPTED;
+ goto error_rcur;
+ }
}
- XFS_WANT_CORRUPTED_GOTO(lcur->bc_mp, i == 1 || j == 1, error_rcur);
+ if (XFS_IS_CORRUPT(lcur->bc_mp, i != 1 && j != 1)) {
+ error = -EFSCORRUPTED;
+ goto error_rcur;
+ }
if (i == 1 && j == 1) {
/*
* Both the left and right records are valid. Choose the closer
@@ -1488,7 +1500,8 @@
error = xfs_inobt_get_rec(cur, rec, &i);
if (error)
return error;
- XFS_WANT_CORRUPTED_RETURN(cur->bc_mp, i == 1);
+ if (XFS_IS_CORRUPT(cur->bc_mp, i != 1))
+ return -EFSCORRUPTED;
return 0;
}
}
@@ -1499,12 +1512,14 @@
error = xfs_inobt_lookup(cur, 0, XFS_LOOKUP_GE, &i);
if (error)
return error;
- XFS_WANT_CORRUPTED_RETURN(cur->bc_mp, i == 1);
+ if (XFS_IS_CORRUPT(cur->bc_mp, i != 1))
+ return -EFSCORRUPTED;
error = xfs_inobt_get_rec(cur, rec, &i);
if (error)
return error;
- XFS_WANT_CORRUPTED_RETURN(cur->bc_mp, i == 1);
+ if (XFS_IS_CORRUPT(cur->bc_mp, i != 1))
+ return -EFSCORRUPTED;
return 0;
}
@@ -1526,20 +1541,24 @@
error = xfs_inobt_lookup(cur, frec->ir_startino, XFS_LOOKUP_EQ, &i);
if (error)
return error;
- XFS_WANT_CORRUPTED_RETURN(cur->bc_mp, i == 1);
+ if (XFS_IS_CORRUPT(cur->bc_mp, i != 1))
+ return -EFSCORRUPTED;
error = xfs_inobt_get_rec(cur, &rec, &i);
if (error)
return error;
- XFS_WANT_CORRUPTED_RETURN(cur->bc_mp, i == 1);
+ if (XFS_IS_CORRUPT(cur->bc_mp, i != 1))
+ return -EFSCORRUPTED;
ASSERT((XFS_AGINO_TO_OFFSET(cur->bc_mp, rec.ir_startino) %
XFS_INODES_PER_CHUNK) == 0);
rec.ir_free &= ~XFS_INOBT_MASK(offset);
rec.ir_freecount--;
- XFS_WANT_CORRUPTED_RETURN(cur->bc_mp, (rec.ir_free == frec->ir_free) &&
- (rec.ir_freecount == frec->ir_freecount));
+ if (XFS_IS_CORRUPT(cur->bc_mp,
+ rec.ir_free != frec->ir_free ||
+ rec.ir_freecount != frec->ir_freecount))
+ return -EFSCORRUPTED;
return xfs_inobt_update(cur, &rec);
}
@@ -1559,11 +1578,10 @@
xfs_ino_t *inop)
{
struct xfs_mount *mp = tp->t_mountp;
- struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp);
+ struct xfs_agi *agi = agbp->b_addr;
xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno);
xfs_agnumber_t pagno = XFS_INO_TO_AGNO(mp, parent);
xfs_agino_t pagino = XFS_INO_TO_AGINO(mp, parent);
- struct xfs_perag *pag;
struct xfs_btree_cur *cur; /* finobt cursor */
struct xfs_btree_cur *icur; /* inobt cursor */
struct xfs_inobt_rec_incore rec;
@@ -1574,8 +1592,6 @@
if (!xfs_sb_version_hasfinobt(&mp->m_sb))
return xfs_dialloc_ag_inobt(tp, agbp, parent, inop);
-
- pag = xfs_perag_get(mp, agno);
/*
* If pagino is 0 (this is the root inode allocation) use newino.
@@ -1643,7 +1659,7 @@
*/
be32_add_cpu(&agi->agi_freecount, -1);
xfs_ialloc_log_agi(tp, agbp, XFS_AGI_FREECOUNT);
- pag->pagi_freecount--;
+ agbp->b_pag->pagi_freecount--;
xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, -1);
@@ -1656,7 +1672,6 @@
xfs_btree_del_cursor(icur, XFS_BTREE_NOERROR);
xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR);
- xfs_perag_put(pag);
*inop = ino;
return 0;
@@ -1664,7 +1679,6 @@
xfs_btree_del_cursor(icur, XFS_BTREE_ERROR);
error_cur:
xfs_btree_del_cursor(cur, XFS_BTREE_ERROR);
- xfs_perag_put(pag);
return error;
}
@@ -1705,6 +1719,7 @@
int noroom = 0;
xfs_agnumber_t start_agno;
struct xfs_perag *pag;
+ struct xfs_ino_geometry *igeo = M_IGEO(mp);
int okalloc = 1;
if (*IO_agbp) {
@@ -1735,9 +1750,9 @@
* Read rough value of mp->m_icount by percpu_counter_read_positive,
* which will sacrifice the preciseness but improve the performance.
*/
- if (mp->m_maxicount &&
- percpu_counter_read_positive(&mp->m_icount) + mp->m_ialloc_inos
- > mp->m_maxicount) {
+ if (igeo->maxicount &&
+ percpu_counter_read_positive(&mp->m_icount) + igeo->ialloc_inos
+ > igeo->maxicount) {
noroom = 1;
okalloc = 0;
}
@@ -1849,14 +1864,13 @@
int nextbit;
xfs_agblock_t agbno;
int contigblk;
- struct xfs_owner_info oinfo;
DECLARE_BITMAP(holemask, XFS_INOBT_HOLEMASK_BITS);
- xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_INODES);
if (!xfs_inobt_issparse(rec->ir_holemask)) {
/* not sparse, calculate extent info directly */
xfs_bmap_add_free(tp, XFS_AGB_TO_FSB(mp, agno, sagbno),
- mp->m_ialloc_blks, &oinfo);
+ M_IGEO(mp)->ialloc_blks,
+ &XFS_RMAP_OINFO_INODES);
return;
}
@@ -1900,7 +1914,7 @@
ASSERT(agbno % mp->m_sb.sb_spino_align == 0);
ASSERT(contigblk % mp->m_sb.sb_spino_align == 0);
xfs_bmap_add_free(tp, XFS_AGB_TO_FSB(mp, agno, agbno),
- contigblk, &oinfo);
+ contigblk, &XFS_RMAP_OINFO_INODES);
/* reset range to current bit and carry on... */
startidx = endidx = nextbit;
@@ -1919,9 +1933,8 @@
struct xfs_icluster *xic,
struct xfs_inobt_rec_incore *orec)
{
- struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp);
+ struct xfs_agi *agi = agbp->b_addr;
xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno);
- struct xfs_perag *pag;
struct xfs_btree_cur *cur;
struct xfs_inobt_rec_incore rec;
int ilen;
@@ -1949,14 +1962,20 @@
__func__, error);
goto error0;
}
- XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
+ if (XFS_IS_CORRUPT(mp, i != 1)) {
+ error = -EFSCORRUPTED;
+ goto error0;
+ }
error = xfs_inobt_get_rec(cur, &rec, &i);
if (error) {
xfs_warn(mp, "%s: xfs_inobt_get_rec() returned error %d.",
__func__, error);
goto error0;
}
- XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
+ if (XFS_IS_CORRUPT(mp, i != 1)) {
+ error = -EFSCORRUPTED;
+ goto error0;
+ }
/*
* Get the offset in the inode chunk.
*/
@@ -1977,6 +1996,8 @@
if (!(mp->m_flags & XFS_MOUNT_IKEEP) &&
rec.ir_free == XFS_INOBT_ALL_FREE &&
mp->m_sb.sb_inopblock <= XFS_INODES_PER_CHUNK) {
+ struct xfs_perag *pag = agbp->b_pag;
+
xic->deleted = true;
xic->first_ino = XFS_AGINO_TO_INO(mp, agno, rec.ir_startino);
xic->alloc = xfs_inobt_irec_to_allocmask(&rec);
@@ -1990,10 +2011,8 @@
be32_add_cpu(&agi->agi_count, -ilen);
be32_add_cpu(&agi->agi_freecount, -(ilen - 1));
xfs_ialloc_log_agi(tp, agbp, XFS_AGI_COUNT | XFS_AGI_FREECOUNT);
- pag = xfs_perag_get(mp, agno);
pag->pagi_freecount -= ilen - 1;
pag->pagi_count -= ilen;
- xfs_perag_put(pag);
xfs_trans_mod_sb(tp, XFS_TRANS_SB_ICOUNT, -ilen);
xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, -(ilen - 1));
@@ -2019,9 +2038,7 @@
*/
be32_add_cpu(&agi->agi_freecount, 1);
xfs_ialloc_log_agi(tp, agbp, XFS_AGI_FREECOUNT);
- pag = xfs_perag_get(mp, agno);
- pag->pagi_freecount++;
- xfs_perag_put(pag);
+ agbp->b_pag->pagi_freecount++;
xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, 1);
}
@@ -2049,7 +2066,7 @@
xfs_agino_t agino,
struct xfs_inobt_rec_incore *ibtrec) /* inobt record */
{
- struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp);
+ struct xfs_agi *agi = agbp->b_addr;
xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno);
struct xfs_btree_cur *cur;
struct xfs_inobt_rec_incore rec;
@@ -2068,7 +2085,10 @@
* freed an inode in a previously fully allocated chunk. If not,
* something is out of sync.
*/
- XFS_WANT_CORRUPTED_GOTO(mp, ibtrec->ir_freecount == 1, error);
+ if (XFS_IS_CORRUPT(mp, ibtrec->ir_freecount != 1)) {
+ error = -EFSCORRUPTED;
+ goto error;
+ }
error = xfs_inobt_insert_rec(cur, ibtrec->ir_holemask,
ibtrec->ir_count,
@@ -2091,14 +2111,20 @@
error = xfs_inobt_get_rec(cur, &rec, &i);
if (error)
goto error;
- XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error);
+ if (XFS_IS_CORRUPT(mp, i != 1)) {
+ error = -EFSCORRUPTED;
+ goto error;
+ }
rec.ir_free |= XFS_INOBT_MASK(offset);
rec.ir_freecount++;
- XFS_WANT_CORRUPTED_GOTO(mp, (rec.ir_free == ibtrec->ir_free) &&
- (rec.ir_freecount == ibtrec->ir_freecount),
- error);
+ if (XFS_IS_CORRUPT(mp,
+ rec.ir_free != ibtrec->ir_free ||
+ rec.ir_freecount != ibtrec->ir_freecount)) {
+ error = -EFSCORRUPTED;
+ goto error;
+ }
/*
* The content of inobt records should always match between the inobt
@@ -2265,7 +2291,7 @@
/* check that the returned record contains the required inode */
if (rec.ir_startino > agino ||
- rec.ir_startino + mp->m_ialloc_inos <= agino)
+ rec.ir_startino + M_IGEO(mp)->ialloc_inos <= agino)
return -EINVAL;
/* for untrusted inodes check it is allocated first */
@@ -2292,7 +2318,6 @@
xfs_agblock_t agbno; /* block number of inode in the alloc group */
xfs_agino_t agino; /* inode number within alloc group */
xfs_agnumber_t agno; /* allocation group number */
- int blks_per_cluster; /* num blocks per inode cluster */
xfs_agblock_t chunk_agbno; /* first block in inode chunk */
xfs_agblock_t cluster_agbno; /* first block in inode cluster */
int error; /* error code */
@@ -2338,8 +2363,6 @@
return -EINVAL;
}
- blks_per_cluster = xfs_icluster_size_fsb(mp);
-
/*
* For bulkstat and handle lookups, we have an untrusted inode number
* that we have to verify is valid. We cannot do this just by reading
@@ -2359,7 +2382,7 @@
* If the inode cluster size is the same as the blocksize or
* smaller we get to the buffer by simple arithmetics.
*/
- if (blks_per_cluster == 1) {
+ if (M_IGEO(mp)->blocks_per_cluster == 1) {
offset = XFS_INO_TO_OFFSET(mp, ino);
ASSERT(offset < mp->m_sb.sb_inopblock);
@@ -2375,8 +2398,8 @@
* find the location. Otherwise we have to do a btree
* lookup to find the location.
*/
- if (mp->m_inoalign_mask) {
- offset_agbno = agbno & mp->m_inoalign_mask;
+ if (M_IGEO(mp)->inoalign_mask) {
+ offset_agbno = agbno & M_IGEO(mp)->inoalign_mask;
chunk_agbno = agbno - offset_agbno;
} else {
error = xfs_imap_lookup(mp, tp, agno, agino, agbno,
@@ -2388,12 +2411,13 @@
out_map:
ASSERT(agbno >= chunk_agbno);
cluster_agbno = chunk_agbno +
- ((offset_agbno / blks_per_cluster) * blks_per_cluster);
+ ((offset_agbno / M_IGEO(mp)->blocks_per_cluster) *
+ M_IGEO(mp)->blocks_per_cluster);
offset = ((agbno - cluster_agbno) * mp->m_sb.sb_inopblock) +
XFS_INO_TO_OFFSET(mp, ino);
imap->im_blkno = XFS_AGB_TO_DADDR(mp, agno, cluster_agbno);
- imap->im_len = XFS_FSB_TO_BB(mp, blks_per_cluster);
+ imap->im_len = XFS_FSB_TO_BB(mp, M_IGEO(mp)->blocks_per_cluster);
imap->im_boffset = (unsigned short)(offset << mp->m_sb.sb_inodelog);
/*
@@ -2412,20 +2436,6 @@
return -EINVAL;
}
return 0;
-}
-
-/*
- * Compute and fill in value of m_in_maxlevels.
- */
-void
-xfs_ialloc_compute_maxlevels(
- xfs_mount_t *mp) /* file system mount structure */
-{
- uint inodes;
-
- inodes = (1LL << XFS_INO_AGINO_BITS(mp)) >> XFS_INODES_PER_CHUNK_LOG;
- mp->m_in_maxlevels = xfs_btree_compute_maxlevels(mp->m_inobt_mnr,
- inodes);
}
/*
@@ -2463,12 +2473,12 @@
offsetof(xfs_agi_t, agi_unlinked),
offsetof(xfs_agi_t, agi_free_root),
offsetof(xfs_agi_t, agi_free_level),
+ offsetof(xfs_agi_t, agi_iblocks),
sizeof(xfs_agi_t)
};
#ifdef DEBUG
- xfs_agi_t *agi; /* allocation group header */
+ struct xfs_agi *agi = bp->b_addr;
- agi = XFS_BUF_TO_AGI(bp);
ASSERT(agi->agi_magicnum == cpu_to_be32(XFS_AGI_MAGIC));
#endif
@@ -2499,22 +2509,21 @@
xfs_agi_verify(
struct xfs_buf *bp)
{
- struct xfs_mount *mp = bp->b_target->bt_mount;
- struct xfs_agi *agi = XFS_BUF_TO_AGI(bp);
+ struct xfs_mount *mp = bp->b_mount;
+ struct xfs_agi *agi = bp->b_addr;
int i;
if (xfs_sb_version_hascrc(&mp->m_sb)) {
if (!uuid_equal(&agi->agi_uuid, &mp->m_sb.sb_meta_uuid))
return __this_address;
- if (!xfs_log_check_lsn(mp,
- be64_to_cpu(XFS_BUF_TO_AGI(bp)->agi_lsn)))
+ if (!xfs_log_check_lsn(mp, be64_to_cpu(agi->agi_lsn)))
return __this_address;
}
/*
* Validate the magic number of the agi block.
*/
- if (agi->agi_magicnum != cpu_to_be32(XFS_AGI_MAGIC))
+ if (!xfs_verify_magic(bp, agi->agi_magicnum))
return __this_address;
if (!XFS_AGI_GOOD_VERSION(be32_to_cpu(agi->agi_versionnum)))
return __this_address;
@@ -2551,7 +2560,7 @@
xfs_agi_read_verify(
struct xfs_buf *bp)
{
- struct xfs_mount *mp = bp->b_target->bt_mount;
+ struct xfs_mount *mp = bp->b_mount;
xfs_failaddr_t fa;
if (xfs_sb_version_hascrc(&mp->m_sb) &&
@@ -2568,8 +2577,9 @@
xfs_agi_write_verify(
struct xfs_buf *bp)
{
- struct xfs_mount *mp = bp->b_target->bt_mount;
+ struct xfs_mount *mp = bp->b_mount;
struct xfs_buf_log_item *bip = bp->b_log_item;
+ struct xfs_agi *agi = bp->b_addr;
xfs_failaddr_t fa;
fa = xfs_agi_verify(bp);
@@ -2582,12 +2592,13 @@
return;
if (bip)
- XFS_BUF_TO_AGI(bp)->agi_lsn = cpu_to_be64(bip->bli_item.li_lsn);
+ agi->agi_lsn = cpu_to_be64(bip->bli_item.li_lsn);
xfs_buf_update_cksum(bp, XFS_AGI_CRC_OFF);
}
const struct xfs_buf_ops xfs_agi_buf_ops = {
.name = "xfs_agi",
+ .magic = { cpu_to_be32(XFS_AGI_MAGIC), cpu_to_be32(XFS_AGI_MAGIC) },
.verify_read = xfs_agi_read_verify,
.verify_write = xfs_agi_write_verify,
.verify_struct = xfs_agi_verify,
@@ -2637,8 +2648,8 @@
if (error)
return error;
- agi = XFS_BUF_TO_AGI(*bpp);
- pag = xfs_perag_get(mp, agno);
+ agi = (*bpp)->b_addr;
+ pag = (*bpp)->b_pag;
if (!pag->pagi_init) {
pag->pagi_freecount = be32_to_cpu(agi->agi_freecount);
pag->pagi_count = be32_to_cpu(agi->agi_count);
@@ -2651,7 +2662,6 @@
*/
ASSERT(pag->pagi_freecount == be32_to_cpu(agi->agi_freecount) ||
XFS_FORCED_SHUTDOWN(mp));
- xfs_perag_put(pag);
return 0;
}
@@ -2726,8 +2736,8 @@
xfs_agino_t low;
xfs_agino_t high;
- low = XFS_OFFBNO_TO_AGINO(cur->bc_mp, bno, 0);
- high = XFS_OFFBNO_TO_AGINO(cur->bc_mp, bno + len, 0) - 1;
+ low = XFS_AGB_TO_AGINO(cur->bc_mp, bno);
+ high = XFS_AGB_TO_AGINO(cur->bc_mp, bno + len) - 1;
return xfs_ialloc_has_inode_record(cur, low, high, exists);
}
@@ -2773,3 +2783,183 @@
*freecount = ci.freecount;
return 0;
}
+
+/*
+ * Initialize inode-related geometry information.
+ *
+ * Compute the inode btree min and max levels and set maxicount.
+ *
+ * Set the inode cluster size. This may still be overridden by the file
+ * system block size if it is larger than the chosen cluster size.
+ *
+ * For v5 filesystems, scale the cluster size with the inode size to keep a
+ * constant ratio of inode per cluster buffer, but only if mkfs has set the
+ * inode alignment value appropriately for larger cluster sizes.
+ *
+ * Then compute the inode cluster alignment information.
+ */
+void
+xfs_ialloc_setup_geometry(
+ struct xfs_mount *mp)
+{
+ struct xfs_sb *sbp = &mp->m_sb;
+ struct xfs_ino_geometry *igeo = M_IGEO(mp);
+ uint64_t icount;
+ uint inodes;
+
+ igeo->new_diflags2 = 0;
+ if (xfs_sb_version_hasbigtime(&mp->m_sb))
+ igeo->new_diflags2 |= XFS_DIFLAG2_BIGTIME;
+
+ /* Compute inode btree geometry. */
+ igeo->agino_log = sbp->sb_inopblog + sbp->sb_agblklog;
+ igeo->inobt_mxr[0] = xfs_inobt_maxrecs(mp, sbp->sb_blocksize, 1);
+ igeo->inobt_mxr[1] = xfs_inobt_maxrecs(mp, sbp->sb_blocksize, 0);
+ igeo->inobt_mnr[0] = igeo->inobt_mxr[0] / 2;
+ igeo->inobt_mnr[1] = igeo->inobt_mxr[1] / 2;
+
+ igeo->ialloc_inos = max_t(uint16_t, XFS_INODES_PER_CHUNK,
+ sbp->sb_inopblock);
+ igeo->ialloc_blks = igeo->ialloc_inos >> sbp->sb_inopblog;
+
+ if (sbp->sb_spino_align)
+ igeo->ialloc_min_blks = sbp->sb_spino_align;
+ else
+ igeo->ialloc_min_blks = igeo->ialloc_blks;
+
+ /* Compute and fill in value of m_ino_geo.inobt_maxlevels. */
+ inodes = (1LL << XFS_INO_AGINO_BITS(mp)) >> XFS_INODES_PER_CHUNK_LOG;
+ igeo->inobt_maxlevels = xfs_btree_compute_maxlevels(igeo->inobt_mnr,
+ inodes);
+
+ /*
+ * Set the maximum inode count for this filesystem, being careful not
+ * to use obviously garbage sb_inopblog/sb_inopblock values. Regular
+ * users should never get here due to failing sb verification, but
+ * certain users (xfs_db) need to be usable even with corrupt metadata.
+ */
+ if (sbp->sb_imax_pct && igeo->ialloc_blks) {
+ /*
+ * Make sure the maximum inode count is a multiple
+ * of the units we allocate inodes in.
+ */
+ icount = sbp->sb_dblocks * sbp->sb_imax_pct;
+ do_div(icount, 100);
+ do_div(icount, igeo->ialloc_blks);
+ igeo->maxicount = XFS_FSB_TO_INO(mp,
+ icount * igeo->ialloc_blks);
+ } else {
+ igeo->maxicount = 0;
+ }
+
+ /*
+ * Compute the desired size of an inode cluster buffer size, which
+ * starts at 8K and (on v5 filesystems) scales up with larger inode
+ * sizes.
+ *
+ * Preserve the desired inode cluster size because the sparse inodes
+ * feature uses that desired size (not the actual size) to compute the
+ * sparse inode alignment. The mount code validates this value, so we
+ * cannot change the behavior.
+ */
+ igeo->inode_cluster_size_raw = XFS_INODE_BIG_CLUSTER_SIZE;
+ if (xfs_sb_version_has_v3inode(&mp->m_sb)) {
+ int new_size = igeo->inode_cluster_size_raw;
+
+ new_size *= mp->m_sb.sb_inodesize / XFS_DINODE_MIN_SIZE;
+ if (mp->m_sb.sb_inoalignmt >= XFS_B_TO_FSBT(mp, new_size))
+ igeo->inode_cluster_size_raw = new_size;
+ }
+
+ /* Calculate inode cluster ratios. */
+ if (igeo->inode_cluster_size_raw > mp->m_sb.sb_blocksize)
+ igeo->blocks_per_cluster = XFS_B_TO_FSBT(mp,
+ igeo->inode_cluster_size_raw);
+ else
+ igeo->blocks_per_cluster = 1;
+ igeo->inode_cluster_size = XFS_FSB_TO_B(mp, igeo->blocks_per_cluster);
+ igeo->inodes_per_cluster = XFS_FSB_TO_INO(mp, igeo->blocks_per_cluster);
+
+ /* Calculate inode cluster alignment. */
+ if (xfs_sb_version_hasalign(&mp->m_sb) &&
+ mp->m_sb.sb_inoalignmt >= igeo->blocks_per_cluster)
+ igeo->cluster_align = mp->m_sb.sb_inoalignmt;
+ else
+ igeo->cluster_align = 1;
+ igeo->inoalign_mask = igeo->cluster_align - 1;
+ igeo->cluster_align_inodes = XFS_FSB_TO_INO(mp, igeo->cluster_align);
+
+ /*
+ * If we are using stripe alignment, check whether
+ * the stripe unit is a multiple of the inode alignment
+ */
+ if (mp->m_dalign && igeo->inoalign_mask &&
+ !(mp->m_dalign & igeo->inoalign_mask))
+ igeo->ialloc_align = mp->m_dalign;
+ else
+ igeo->ialloc_align = 0;
+}
+
+/* Compute the location of the root directory inode that is laid out by mkfs. */
+xfs_ino_t
+xfs_ialloc_calc_rootino(
+ struct xfs_mount *mp,
+ int sunit)
+{
+ struct xfs_ino_geometry *igeo = M_IGEO(mp);
+ xfs_agblock_t first_bno;
+
+ /*
+ * Pre-calculate the geometry of AG 0. We know what it looks like
+ * because libxfs knows how to create allocation groups now.
+ *
+ * first_bno is the first block in which mkfs could possibly have
+ * allocated the root directory inode, once we factor in the metadata
+ * that mkfs formats before it. Namely, the four AG headers...
+ */
+ first_bno = howmany(4 * mp->m_sb.sb_sectsize, mp->m_sb.sb_blocksize);
+
+ /* ...the two free space btree roots... */
+ first_bno += 2;
+
+ /* ...the inode btree root... */
+ first_bno += 1;
+
+ /* ...the initial AGFL... */
+ first_bno += xfs_alloc_min_freelist(mp, NULL);
+
+ /* ...the free inode btree root... */
+ if (xfs_sb_version_hasfinobt(&mp->m_sb))
+ first_bno++;
+
+ /* ...the reverse mapping btree root... */
+ if (xfs_sb_version_hasrmapbt(&mp->m_sb))
+ first_bno++;
+
+ /* ...the reference count btree... */
+ if (xfs_sb_version_hasreflink(&mp->m_sb))
+ first_bno++;
+
+ /*
+ * ...and the log, if it is allocated in the first allocation group.
+ *
+ * This can happen with filesystems that only have a single
+ * allocation group, or very odd geometries created by old mkfs
+ * versions on very small filesystems.
+ */
+ if (mp->m_sb.sb_logstart &&
+ XFS_FSB_TO_AGNO(mp, mp->m_sb.sb_logstart) == 0)
+ first_bno += mp->m_sb.sb_logblocks;
+
+ /*
+ * Now round first_bno up to whatever allocation alignment is given
+ * by the filesystem or was passed in.
+ */
+ if (xfs_sb_version_hasdalign(&mp->m_sb) && igeo->ialloc_align > 0)
+ first_bno = roundup(first_bno, sunit);
+ else if (xfs_sb_version_hasalign(&mp->m_sb) &&
+ mp->m_sb.sb_inoalignmt > 1)
+ first_bno = roundup(first_bno, mp->m_sb.sb_inoalignmt);
+
+ return XFS_AGINO_TO_INO(mp, 0, XFS_AGB_TO_AGINO(mp, first_bno));
+}
--
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