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xfs: make the record pointer passed to query_range functions const

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The query_range functions are supposed to call a caller-supplied
function on each record found in the dataset.  These functions don't
own the memory storing the record, so don't let them change the record.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong
2021-08-10 17:02:16 -07:00
parent 04dcb47482
commit 159eb69dba
20 changed files with 63 additions and 59 deletions
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6
fs/xfs/libxfs/xfs_alloc.h
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@@ -220,9 +220,9 @@ int xfs_free_extent_fix_freelist(struct xfs_trans *tp, struct xfs_perag *pag,
xfs_extlen_t xfs_prealloc_blocks(struct xfs_mount *mp);
typedef int (*xfs_alloc_query_range_fn)(
struct xfs_btree_cur *cur,
struct xfs_alloc_rec_incore *rec,
void *priv);
struct xfs_btree_cur *cur,
const struct xfs_alloc_rec_incore *rec,
void *priv);
int xfs_alloc_query_range(struct xfs_btree_cur *cur,
const struct xfs_alloc_rec_incore *low_rec,