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xfs: make the start pointer passed to btree alloc_block functions const

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The @start pointer passed to each per-AG btree type's ->alloc_block
function isn't supposed to be modified, since it's a hint about the
location of the btree block being split that is to be fed to the
allocator, so mark the parameter const.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2021-08-12 09:53:27 -07:00
parent b5a6e5fe0e
commit deb06b9ab6
7 changed files with 34 additions and 34 deletions
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8
fs/xfs/libxfs/xfs_alloc_btree.c
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@ -50,10 +50,10 @@ xfs_allocbt_set_root(
STATIC int STATIC int
xfs_allocbt_alloc_block( xfs_allocbt_alloc_block(
struct xfs_btree_cur *cur, struct xfs_btree_cur *cur,
union xfs_btree_ptr *start, const union xfs_btree_ptr *start,
union xfs_btree_ptr *new, union xfs_btree_ptr *new,
int *stat) int *stat)
{ {
int error; int error;
xfs_agblock_t bno; xfs_agblock_t bno;

8
fs/xfs/libxfs/xfs_bmap_btree.c
View File

@ -193,10 +193,10 @@ xfs_bmbt_update_cursor(
STATIC int STATIC int
xfs_bmbt_alloc_block( xfs_bmbt_alloc_block(
struct xfs_btree_cur *cur, struct xfs_btree_cur *cur,
union xfs_btree_ptr *start, const union xfs_btree_ptr *start,
union xfs_btree_ptr *new, union xfs_btree_ptr *new,
int *stat) int *stat)
{ {
xfs_alloc_arg_t args; /* block allocation args */ xfs_alloc_arg_t args; /* block allocation args */
int error; /* error return value */ int error; /* error return value */

2
fs/xfs/libxfs/xfs_btree.h
View File

@ -110,7 +110,7 @@ struct xfs_btree_ops {
/* block allocation / freeing */ /* block allocation / freeing */
int (*alloc_block)(struct xfs_btree_cur *cur, int (*alloc_block)(struct xfs_btree_cur *cur,
union xfs_btree_ptr *start_bno, const union xfs_btree_ptr *start_bno,
union xfs_btree_ptr *new_bno, union xfs_btree_ptr *new_bno,
int *stat); int *stat);
int (*free_block)(struct xfs_btree_cur *cur, struct xfs_buf *bp); int (*free_block)(struct xfs_btree_cur *cur, struct xfs_buf *bp);

8
fs/xfs/libxfs/xfs_btree_staging.c
View File

@ -59,10 +59,10 @@ xfs_btree_fakeroot_dup_cursor(
*/ */
STATIC int STATIC int
xfs_btree_fakeroot_alloc_block( xfs_btree_fakeroot_alloc_block(
struct xfs_btree_cur *cur, struct xfs_btree_cur *cur,
union xfs_btree_ptr *start_bno, const union xfs_btree_ptr *start_bno,
union xfs_btree_ptr *new_bno, union xfs_btree_ptr *new_bno,
int *stat) int *stat)
{ {
ASSERT(0); ASSERT(0);
return -EFSCORRUPTED; return -EFSCORRUPTED;

26
fs/xfs/libxfs/xfs_ialloc_btree.c
View File

@ -88,11 +88,11 @@ xfs_inobt_mod_blockcount(
STATIC int STATIC int
__xfs_inobt_alloc_block( __xfs_inobt_alloc_block(
struct xfs_btree_cur *cur, struct xfs_btree_cur *cur,
union xfs_btree_ptr *start, const union xfs_btree_ptr *start,
union xfs_btree_ptr *new, union xfs_btree_ptr *new,
int *stat, int *stat,
enum xfs_ag_resv_type resv) enum xfs_ag_resv_type resv)
{ {
xfs_alloc_arg_t args; /* block allocation args */ xfs_alloc_arg_t args; /* block allocation args */
int error; /* error return value */ int error; /* error return value */
@ -127,20 +127,20 @@ __xfs_inobt_alloc_block(
STATIC int STATIC int
xfs_inobt_alloc_block( xfs_inobt_alloc_block(
struct xfs_btree_cur *cur, struct xfs_btree_cur *cur,
union xfs_btree_ptr *start, const union xfs_btree_ptr *start,
union xfs_btree_ptr *new, union xfs_btree_ptr *new,
int *stat) int *stat)
{ {
return __xfs_inobt_alloc_block(cur, start, new, stat, XFS_AG_RESV_NONE); return __xfs_inobt_alloc_block(cur, start, new, stat, XFS_AG_RESV_NONE);
} }
STATIC int STATIC int
xfs_finobt_alloc_block( xfs_finobt_alloc_block(
struct xfs_btree_cur *cur, struct xfs_btree_cur *cur,
union xfs_btree_ptr *start, const union xfs_btree_ptr *start,
union xfs_btree_ptr *new, union xfs_btree_ptr *new,
int *stat) int *stat)
{ {
if (cur->bc_mp->m_finobt_nores) if (cur->bc_mp->m_finobt_nores)
return xfs_inobt_alloc_block(cur, start, new, stat); return xfs_inobt_alloc_block(cur, start, new, stat);

8
fs/xfs/libxfs/xfs_refcount_btree.c
View File

@ -51,10 +51,10 @@ xfs_refcountbt_set_root(
STATIC int STATIC int
xfs_refcountbt_alloc_block( xfs_refcountbt_alloc_block(
struct xfs_btree_cur *cur, struct xfs_btree_cur *cur,
union xfs_btree_ptr *start, const union xfs_btree_ptr *start,
union xfs_btree_ptr *new, union xfs_btree_ptr *new,
int *stat) int *stat)
{ {
struct xfs_buf *agbp = cur->bc_ag.agbp; struct xfs_buf *agbp = cur->bc_ag.agbp;
struct xfs_agf *agf = agbp->b_addr; struct xfs_agf *agf = agbp->b_addr;

8
fs/xfs/libxfs/xfs_rmap_btree.c
View File

@ -76,10 +76,10 @@ xfs_rmapbt_set_root(
STATIC int STATIC int
xfs_rmapbt_alloc_block( xfs_rmapbt_alloc_block(
struct xfs_btree_cur *cur, struct xfs_btree_cur *cur,
union xfs_btree_ptr *start, const union xfs_btree_ptr *start,
union xfs_btree_ptr *new, union xfs_btree_ptr *new,
int *stat) int *stat)
{ {
struct xfs_buf *agbp = cur->bc_ag.agbp; struct xfs_buf *agbp = cur->bc_ag.agbp;
struct xfs_agf *agf = agbp->b_addr; struct xfs_agf *agf = agbp->b_addr;