Revision b2665f92ae67a2d086537979d317a6f3a5697c63 authored by Matt Porter on 20 May 2005, 20:59:14 UTC, committed by Linus Torvalds on 20 May 2005, 22:48:19 UTC
This patch fixed CONFIG_TASK_SIZE handling on 44x. Currently head_44x.S hardcodes 0x80000000, which breaks if user chooses to change TASK_SIZE (e.g. for 3G user-space). Tested on Ocotea in 3G/1G configuration. Signed-off-by: Eugene Surovegin <ebs@ebshome.net> Signed-off-by: Matt Porter <mporter@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
1 parent 7f8cd80
xfs_btree.h
/*
* Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 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.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#ifndef __XFS_BTREE_H__
#define __XFS_BTREE_H__
struct xfs_buf;
struct xfs_bmap_free;
struct xfs_inode;
struct xfs_mount;
struct xfs_trans;
/*
* This nonsense is to make -wlint happy.
*/
#define XFS_LOOKUP_EQ ((xfs_lookup_t)XFS_LOOKUP_EQi)
#define XFS_LOOKUP_LE ((xfs_lookup_t)XFS_LOOKUP_LEi)
#define XFS_LOOKUP_GE ((xfs_lookup_t)XFS_LOOKUP_GEi)
#define XFS_BTNUM_BNO ((xfs_btnum_t)XFS_BTNUM_BNOi)
#define XFS_BTNUM_CNT ((xfs_btnum_t)XFS_BTNUM_CNTi)
#define XFS_BTNUM_BMAP ((xfs_btnum_t)XFS_BTNUM_BMAPi)
#define XFS_BTNUM_INO ((xfs_btnum_t)XFS_BTNUM_INOi)
/*
* Short form header: space allocation btrees.
*/
typedef struct xfs_btree_sblock
{
__uint32_t bb_magic; /* magic number for block type */
__uint16_t bb_level; /* 0 is a leaf */
__uint16_t bb_numrecs; /* current # of data records */
xfs_agblock_t bb_leftsib; /* left sibling block or NULLAGBLOCK */
xfs_agblock_t bb_rightsib; /* right sibling block or NULLAGBLOCK */
} xfs_btree_sblock_t;
/*
* Long form header: bmap btrees.
*/
typedef struct xfs_btree_lblock
{
__uint32_t bb_magic; /* magic number for block type */
__uint16_t bb_level; /* 0 is a leaf */
__uint16_t bb_numrecs; /* current # of data records */
xfs_dfsbno_t bb_leftsib; /* left sibling block or NULLDFSBNO */
xfs_dfsbno_t bb_rightsib; /* right sibling block or NULLDFSBNO */
} xfs_btree_lblock_t;
/*
* Combined header and structure, used by common code.
*/
typedef struct xfs_btree_hdr
{
__uint32_t bb_magic; /* magic number for block type */
__uint16_t bb_level; /* 0 is a leaf */
__uint16_t bb_numrecs; /* current # of data records */
} xfs_btree_hdr_t;
typedef struct xfs_btree_block
{
xfs_btree_hdr_t bb_h; /* header */
union {
struct {
xfs_agblock_t bb_leftsib;
xfs_agblock_t bb_rightsib;
} s; /* short form pointers */
struct {
xfs_dfsbno_t bb_leftsib;
xfs_dfsbno_t bb_rightsib;
} l; /* long form pointers */
} bb_u; /* rest */
} xfs_btree_block_t;
/*
* For logging record fields.
*/
#define XFS_BB_MAGIC 0x01
#define XFS_BB_LEVEL 0x02
#define XFS_BB_NUMRECS 0x04
#define XFS_BB_LEFTSIB 0x08
#define XFS_BB_RIGHTSIB 0x10
#define XFS_BB_NUM_BITS 5
#define XFS_BB_ALL_BITS ((1 << XFS_BB_NUM_BITS) - 1)
/*
* Boolean to select which form of xfs_btree_block_t.bb_u to use.
*/
#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BTREE_LONG_PTRS)
int xfs_btree_long_ptrs(xfs_btnum_t btnum);
#define XFS_BTREE_LONG_PTRS(btnum) ((btnum) == XFS_BTNUM_BMAP)
#else
#define XFS_BTREE_LONG_PTRS(btnum) ((btnum) == XFS_BTNUM_BMAP)
#endif
/*
* Magic numbers for btree blocks.
*/
extern const __uint32_t xfs_magics[];
/*
* Maximum and minimum records in a btree block.
* Given block size, type prefix, and leaf flag (0 or 1).
* The divisor below is equivalent to lf ? (e1) : (e2) but that produces
* compiler warnings.
*/
#define XFS_BTREE_BLOCK_MAXRECS(bsz,t,lf) \
((int)(((bsz) - (uint)sizeof(t ## _block_t)) / \
(((lf) * (uint)sizeof(t ## _rec_t)) + \
((1 - (lf)) * \
((uint)sizeof(t ## _key_t) + (uint)sizeof(t ## _ptr_t))))))
#define XFS_BTREE_BLOCK_MINRECS(bsz,t,lf) \
(XFS_BTREE_BLOCK_MAXRECS(bsz,t,lf) / 2)
/*
* Record, key, and pointer address calculation macros.
* Given block size, type prefix, block pointer, and index of requested entry
* (first entry numbered 1).
*/
#define XFS_BTREE_REC_ADDR(bsz,t,bb,i,mxr) \
((t ## _rec_t *)((char *)(bb) + sizeof(t ## _block_t) + \
((i) - 1) * sizeof(t ## _rec_t)))
#define XFS_BTREE_KEY_ADDR(bsz,t,bb,i,mxr) \
((t ## _key_t *)((char *)(bb) + sizeof(t ## _block_t) + \
((i) - 1) * sizeof(t ## _key_t)))
#define XFS_BTREE_PTR_ADDR(bsz,t,bb,i,mxr) \
((t ## _ptr_t *)((char *)(bb) + sizeof(t ## _block_t) + \
(mxr) * sizeof(t ## _key_t) + ((i) - 1) * sizeof(t ## _ptr_t)))
#define XFS_BTREE_MAXLEVELS 8 /* max of all btrees */
/*
* Btree cursor structure.
* This collects all information needed by the btree code in one place.
*/
typedef struct xfs_btree_cur
{
struct xfs_trans *bc_tp; /* transaction we're in, if any */
struct xfs_mount *bc_mp; /* file system mount struct */
union {
xfs_alloc_rec_t a;
xfs_bmbt_irec_t b;
xfs_inobt_rec_t i;
} bc_rec; /* current insert/search record value */
struct xfs_buf *bc_bufs[XFS_BTREE_MAXLEVELS]; /* buf ptr per level */
int bc_ptrs[XFS_BTREE_MAXLEVELS]; /* key/record # */
__uint8_t bc_ra[XFS_BTREE_MAXLEVELS]; /* readahead bits */
#define XFS_BTCUR_LEFTRA 1 /* left sibling has been read-ahead */
#define XFS_BTCUR_RIGHTRA 2 /* right sibling has been read-ahead */
__uint8_t bc_nlevels; /* number of levels in the tree */
__uint8_t bc_blocklog; /* log2(blocksize) of btree blocks */
xfs_btnum_t bc_btnum; /* identifies which btree type */
union {
struct { /* needed for BNO, CNT */
struct xfs_buf *agbp; /* agf buffer pointer */
xfs_agnumber_t agno; /* ag number */
} a;
struct { /* needed for BMAP */
struct xfs_inode *ip; /* pointer to our inode */
struct xfs_bmap_free *flist; /* list to free after */
xfs_fsblock_t firstblock; /* 1st blk allocated */
int allocated; /* count of alloced */
short forksize; /* fork's inode space */
char whichfork; /* data or attr fork */
char flags; /* flags */
#define XFS_BTCUR_BPRV_WASDEL 1 /* was delayed */
} b;
struct { /* needed for INO */
struct xfs_buf *agbp; /* agi buffer pointer */
xfs_agnumber_t agno; /* ag number */
} i;
} bc_private; /* per-btree type data */
} xfs_btree_cur_t;
#define XFS_BTREE_NOERROR 0
#define XFS_BTREE_ERROR 1
/*
* Convert from buffer to btree block header.
*/
#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_BLOCK)
xfs_btree_block_t *xfs_buf_to_block(struct xfs_buf *bp);
#define XFS_BUF_TO_BLOCK(bp) xfs_buf_to_block(bp)
#else
#define XFS_BUF_TO_BLOCK(bp) ((xfs_btree_block_t *)(XFS_BUF_PTR(bp)))
#endif
#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_LBLOCK)
xfs_btree_lblock_t *xfs_buf_to_lblock(struct xfs_buf *bp);
#define XFS_BUF_TO_LBLOCK(bp) xfs_buf_to_lblock(bp)
#else
#define XFS_BUF_TO_LBLOCK(bp) ((xfs_btree_lblock_t *)(XFS_BUF_PTR(bp)))
#endif
#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_SBLOCK)
xfs_btree_sblock_t *xfs_buf_to_sblock(struct xfs_buf *bp);
#define XFS_BUF_TO_SBLOCK(bp) xfs_buf_to_sblock(bp)
#else
#define XFS_BUF_TO_SBLOCK(bp) ((xfs_btree_sblock_t *)(XFS_BUF_PTR(bp)))
#endif
#ifdef __KERNEL__
#ifdef DEBUG
/*
* Debug routine: check that block header is ok.
*/
void
xfs_btree_check_block(
xfs_btree_cur_t *cur, /* btree cursor */
xfs_btree_block_t *block, /* generic btree block pointer */
int level, /* level of the btree block */
struct xfs_buf *bp); /* buffer containing block, if any */
/*
* Debug routine: check that keys are in the right order.
*/
void
xfs_btree_check_key(
xfs_btnum_t btnum, /* btree identifier */
void *ak1, /* pointer to left (lower) key */
void *ak2); /* pointer to right (higher) key */
/*
* Debug routine: check that records are in the right order.
*/
void
xfs_btree_check_rec(
xfs_btnum_t btnum, /* btree identifier */
void *ar1, /* pointer to left (lower) record */
void *ar2); /* pointer to right (higher) record */
#else
#define xfs_btree_check_block(a,b,c,d)
#define xfs_btree_check_key(a,b,c)
#define xfs_btree_check_rec(a,b,c)
#endif /* DEBUG */
/*
* Checking routine: check that long form block header is ok.
*/
int /* error (0 or EFSCORRUPTED) */
xfs_btree_check_lblock(
xfs_btree_cur_t *cur, /* btree cursor */
xfs_btree_lblock_t *block, /* btree long form block pointer */
int level, /* level of the btree block */
struct xfs_buf *bp); /* buffer containing block, if any */
/*
* Checking routine: check that (long) pointer is ok.
*/
int /* error (0 or EFSCORRUPTED) */
xfs_btree_check_lptr(
xfs_btree_cur_t *cur, /* btree cursor */
xfs_dfsbno_t ptr, /* btree block disk address */
int level); /* btree block level */
/*
* Checking routine: check that short form block header is ok.
*/
int /* error (0 or EFSCORRUPTED) */
xfs_btree_check_sblock(
xfs_btree_cur_t *cur, /* btree cursor */
xfs_btree_sblock_t *block, /* btree short form block pointer */
int level, /* level of the btree block */
struct xfs_buf *bp); /* buffer containing block */
/*
* Checking routine: check that (short) pointer is ok.
*/
int /* error (0 or EFSCORRUPTED) */
xfs_btree_check_sptr(
xfs_btree_cur_t *cur, /* btree cursor */
xfs_agblock_t ptr, /* btree block disk address */
int level); /* btree block level */
/*
* Delete the btree cursor.
*/
void
xfs_btree_del_cursor(
xfs_btree_cur_t *cur, /* btree cursor */
int error); /* del because of error */
/*
* Duplicate the btree cursor.
* Allocate a new one, copy the record, re-get the buffers.
*/
int /* error */
xfs_btree_dup_cursor(
xfs_btree_cur_t *cur, /* input cursor */
xfs_btree_cur_t **ncur);/* output cursor */
/*
* Change the cursor to point to the first record in the current block
* at the given level. Other levels are unaffected.
*/
int /* success=1, failure=0 */
xfs_btree_firstrec(
xfs_btree_cur_t *cur, /* btree cursor */
int level); /* level to change */
/*
* Retrieve the block pointer from the cursor at the given level.
* This may be a bmap btree root or from a buffer.
*/
xfs_btree_block_t * /* generic btree block pointer */
xfs_btree_get_block(
xfs_btree_cur_t *cur, /* btree cursor */
int level, /* level in btree */
struct xfs_buf **bpp); /* buffer containing the block */
/*
* Get a buffer for the block, return it with no data read.
* Long-form addressing.
*/
struct xfs_buf * /* buffer for fsbno */
xfs_btree_get_bufl(
struct xfs_mount *mp, /* file system mount point */
struct xfs_trans *tp, /* transaction pointer */
xfs_fsblock_t fsbno, /* file system block number */
uint lock); /* lock flags for get_buf */
/*
* Get a buffer for the block, return it with no data read.
* Short-form addressing.
*/
struct xfs_buf * /* buffer for agno/agbno */
xfs_btree_get_bufs(
struct xfs_mount *mp, /* file system mount point */
struct xfs_trans *tp, /* transaction pointer */
xfs_agnumber_t agno, /* allocation group number */
xfs_agblock_t agbno, /* allocation group block number */
uint lock); /* lock flags for get_buf */
/*
* Allocate a new btree cursor.
* The cursor is either for allocation (A) or bmap (B).
*/
xfs_btree_cur_t * /* new btree cursor */
xfs_btree_init_cursor(
struct xfs_mount *mp, /* file system mount point */
struct xfs_trans *tp, /* transaction pointer */
struct xfs_buf *agbp, /* (A only) buffer for agf structure */
xfs_agnumber_t agno, /* (A only) allocation group number */
xfs_btnum_t btnum, /* btree identifier */
struct xfs_inode *ip, /* (B only) inode owning the btree */
int whichfork); /* (B only) data/attr fork */
/*
* Check for the cursor referring to the last block at the given level.
*/
int /* 1=is last block, 0=not last block */
xfs_btree_islastblock(
xfs_btree_cur_t *cur, /* btree cursor */
int level); /* level to check */
/*
* Change the cursor to point to the last record in the current block
* at the given level. Other levels are unaffected.
*/
int /* success=1, failure=0 */
xfs_btree_lastrec(
xfs_btree_cur_t *cur, /* btree cursor */
int level); /* level to change */
/*
* Compute first and last byte offsets for the fields given.
* Interprets the offsets table, which contains struct field offsets.
*/
void
xfs_btree_offsets(
__int64_t fields, /* bitmask of fields */
const short *offsets,/* table of field offsets */
int nbits, /* number of bits to inspect */
int *first, /* output: first byte offset */
int *last); /* output: last byte offset */
/*
* Get a buffer for the block, return it read in.
* Long-form addressing.
*/
int /* error */
xfs_btree_read_bufl(
struct xfs_mount *mp, /* file system mount point */
struct xfs_trans *tp, /* transaction pointer */
xfs_fsblock_t fsbno, /* file system block number */
uint lock, /* lock flags for read_buf */
struct xfs_buf **bpp, /* buffer for fsbno */
int refval);/* ref count value for buffer */
/*
* Get a buffer for the block, return it read in.
* Short-form addressing.
*/
int /* error */
xfs_btree_read_bufs(
struct xfs_mount *mp, /* file system mount point */
struct xfs_trans *tp, /* transaction pointer */
xfs_agnumber_t agno, /* allocation group number */
xfs_agblock_t agbno, /* allocation group block number */
uint lock, /* lock flags for read_buf */
struct xfs_buf **bpp, /* buffer for agno/agbno */
int refval);/* ref count value for buffer */
/*
* Read-ahead the block, don't wait for it, don't return a buffer.
* Long-form addressing.
*/
void /* error */
xfs_btree_reada_bufl(
struct xfs_mount *mp, /* file system mount point */
xfs_fsblock_t fsbno, /* file system block number */
xfs_extlen_t count); /* count of filesystem blocks */
/*
* Read-ahead the block, don't wait for it, don't return a buffer.
* Short-form addressing.
*/
void /* error */
xfs_btree_reada_bufs(
struct xfs_mount *mp, /* file system mount point */
xfs_agnumber_t agno, /* allocation group number */
xfs_agblock_t agbno, /* allocation group block number */
xfs_extlen_t count); /* count of filesystem blocks */
/*
* Read-ahead btree blocks, at the given level.
* Bits in lr are set from XFS_BTCUR_{LEFT,RIGHT}RA.
*/
int /* readahead block count */
xfs_btree_readahead_core(
xfs_btree_cur_t *cur, /* btree cursor */
int lev, /* level in btree */
int lr); /* left/right bits */
static inline int /* readahead block count */
xfs_btree_readahead(
xfs_btree_cur_t *cur, /* btree cursor */
int lev, /* level in btree */
int lr) /* left/right bits */
{
if ((cur->bc_ra[lev] | lr) == cur->bc_ra[lev])
return 0;
return xfs_btree_readahead_core(cur, lev, lr);
}
/*
* Set the buffer for level "lev" in the cursor to bp, releasing
* any previous buffer.
*/
void
xfs_btree_setbuf(
xfs_btree_cur_t *cur, /* btree cursor */
int lev, /* level in btree */
struct xfs_buf *bp); /* new buffer to set */
#endif /* __KERNEL__ */
/*
* Min and max functions for extlen, agblock, fileoff, and filblks types.
*/
#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_EXTLEN_MIN)
xfs_extlen_t xfs_extlen_min(xfs_extlen_t a, xfs_extlen_t b);
#define XFS_EXTLEN_MIN(a,b) xfs_extlen_min(a,b)
#else
#define XFS_EXTLEN_MIN(a,b) \
((xfs_extlen_t)(a) < (xfs_extlen_t)(b) ? \
(xfs_extlen_t)(a) : (xfs_extlen_t)(b))
#endif
#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_EXTLEN_MAX)
xfs_extlen_t xfs_extlen_max(xfs_extlen_t a, xfs_extlen_t b);
#define XFS_EXTLEN_MAX(a,b) xfs_extlen_max(a,b)
#else
#define XFS_EXTLEN_MAX(a,b) \
((xfs_extlen_t)(a) > (xfs_extlen_t)(b) ? \
(xfs_extlen_t)(a) : (xfs_extlen_t)(b))
#endif
#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGBLOCK_MIN)
xfs_agblock_t xfs_agblock_min(xfs_agblock_t a, xfs_agblock_t b);
#define XFS_AGBLOCK_MIN(a,b) xfs_agblock_min(a,b)
#else
#define XFS_AGBLOCK_MIN(a,b) \
((xfs_agblock_t)(a) < (xfs_agblock_t)(b) ? \
(xfs_agblock_t)(a) : (xfs_agblock_t)(b))
#endif
#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGBLOCK_MAX)
xfs_agblock_t xfs_agblock_max(xfs_agblock_t a, xfs_agblock_t b);
#define XFS_AGBLOCK_MAX(a,b) xfs_agblock_max(a,b)
#else
#define XFS_AGBLOCK_MAX(a,b) \
((xfs_agblock_t)(a) > (xfs_agblock_t)(b) ? \
(xfs_agblock_t)(a) : (xfs_agblock_t)(b))
#endif
#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FILEOFF_MIN)
xfs_fileoff_t xfs_fileoff_min(xfs_fileoff_t a, xfs_fileoff_t b);
#define XFS_FILEOFF_MIN(a,b) xfs_fileoff_min(a,b)
#else
#define XFS_FILEOFF_MIN(a,b) \
((xfs_fileoff_t)(a) < (xfs_fileoff_t)(b) ? \
(xfs_fileoff_t)(a) : (xfs_fileoff_t)(b))
#endif
#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FILEOFF_MAX)
xfs_fileoff_t xfs_fileoff_max(xfs_fileoff_t a, xfs_fileoff_t b);
#define XFS_FILEOFF_MAX(a,b) xfs_fileoff_max(a,b)
#else
#define XFS_FILEOFF_MAX(a,b) \
((xfs_fileoff_t)(a) > (xfs_fileoff_t)(b) ? \
(xfs_fileoff_t)(a) : (xfs_fileoff_t)(b))
#endif
#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FILBLKS_MIN)
xfs_filblks_t xfs_filblks_min(xfs_filblks_t a, xfs_filblks_t b);
#define XFS_FILBLKS_MIN(a,b) xfs_filblks_min(a,b)
#else
#define XFS_FILBLKS_MIN(a,b) \
((xfs_filblks_t)(a) < (xfs_filblks_t)(b) ? \
(xfs_filblks_t)(a) : (xfs_filblks_t)(b))
#endif
#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FILBLKS_MAX)
xfs_filblks_t xfs_filblks_max(xfs_filblks_t a, xfs_filblks_t b);
#define XFS_FILBLKS_MAX(a,b) xfs_filblks_max(a,b)
#else
#define XFS_FILBLKS_MAX(a,b) \
((xfs_filblks_t)(a) > (xfs_filblks_t)(b) ? \
(xfs_filblks_t)(a) : (xfs_filblks_t)(b))
#endif
#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FSB_SANITY_CHECK)
int xfs_fsb_sanity_check(struct xfs_mount *mp, xfs_fsblock_t fsb);
#define XFS_FSB_SANITY_CHECK(mp,fsb) xfs_fsb_sanity_check(mp,fsb)
#else
#define XFS_FSB_SANITY_CHECK(mp,fsb) \
(XFS_FSB_TO_AGNO(mp, fsb) < mp->m_sb.sb_agcount && \
XFS_FSB_TO_AGBNO(mp, fsb) < mp->m_sb.sb_agblocks)
#endif
/*
* Macros to set EFSCORRUPTED & return/branch.
*/
#define XFS_WANT_CORRUPTED_GOTO(x,l) \
{ \
int fs_is_ok = (x); \
ASSERT(fs_is_ok); \
if (unlikely(!fs_is_ok)) { \
XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
XFS_ERRLEVEL_LOW, NULL); \
error = XFS_ERROR(EFSCORRUPTED); \
goto l; \
} \
}
#define XFS_WANT_CORRUPTED_RETURN(x) \
{ \
int fs_is_ok = (x); \
ASSERT(fs_is_ok); \
if (unlikely(!fs_is_ok)) { \
XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
XFS_ERRLEVEL_LOW, NULL); \
return XFS_ERROR(EFSCORRUPTED); \
} \
}
#endif /* __XFS_BTREE_H__ */
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