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Diffstat (limited to 'fs/logfs/segment.c')
-rw-r--r--fs/logfs/segment.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/fs/logfs/segment.c b/fs/logfs/segment.c
index 801a3a14162..a9657afb70a 100644
--- a/fs/logfs/segment.c
+++ b/fs/logfs/segment.c
@@ -67,7 +67,7 @@ static struct page *get_mapping_page(struct super_block *sb, pgoff_t index,
return page;
}
-void __logfs_buf_write(struct logfs_area *area, u64 ofs, void *buf, size_t len,
+int __logfs_buf_write(struct logfs_area *area, u64 ofs, void *buf, size_t len,
int use_filler)
{
pgoff_t index = ofs >> PAGE_SHIFT;
@@ -81,8 +81,10 @@ void __logfs_buf_write(struct logfs_area *area, u64 ofs, void *buf, size_t len,
copylen = min((ulong)len, PAGE_SIZE - offset);
page = get_mapping_page(area->a_sb, index, use_filler);
- SetPageUptodate(page);
+ if (IS_ERR(page))
+ return PTR_ERR(page);
BUG_ON(!page); /* FIXME: reserve a pool */
+ SetPageUptodate(page);
memcpy(page_address(page) + offset, buf, copylen);
SetPagePrivate(page);
page_cache_release(page);
@@ -92,6 +94,7 @@ void __logfs_buf_write(struct logfs_area *area, u64 ofs, void *buf, size_t len,
offset = 0;
index++;
} while (len);
+ return 0;
}
static void pad_partial_page(struct logfs_area *area)
@@ -183,14 +186,8 @@ static int btree_write_alias(struct super_block *sb, struct logfs_block *block,
return 0;
}
-static gc_level_t btree_block_level(struct logfs_block *block)
-{
- return expand_level(block->ino, block->level);
-}
-
static struct logfs_block_ops btree_block_ops = {
.write_block = btree_write_block,
- .block_level = btree_block_level,
.free_block = __free_block,
.write_alias = btree_write_alias,
};
@@ -919,7 +916,7 @@ err:
for (i--; i >= 0; i--)
free_area(super->s_area[i]);
free_area(super->s_journal_area);
- mempool_destroy(super->s_alias_pool);
+ logfs_mempool_destroy(super->s_alias_pool);
return -ENOMEM;
}