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Added debug statement for block allocation scan

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This may be useful for determining when allocation passes occur,
especially as performance and latency becomes a growing concern.
This commit is contained in:
Christopher Haster
2019-11-14 14:43:48 -06:00
parent 6b65737715
commit 69b34644bd
1 changed files with 7 additions and 1 deletions
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8
lfs.c
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@@ -466,9 +466,15 @@ static int lfs_alloc(lfs_t *lfs, lfs_block_t *block) {
}
}
// no free blocks in lookahead buffer, need to scan tree
LFS_DEBUG("Scanning for free blocks %"PRIx32"-%"PRIx32,
lfs->free.i + lfs->free.off,
(lfs->free.i + lfs->free.off + 8*lfs->cfg->lookahead_size)
% lfs->cfg->block_count);
// check if we have looked at all blocks since last ack
if (lfs->free.ack == 0) {
LFS_ERROR("No more free space %"PRIu32,
LFS_ERROR("No more free space %"PRIx32,
lfs->free.i + lfs->free.off);
return LFS_ERR_NOSPC;
}