Re: [PATCH v3 2/2] fadvise: implement POSIX_FADV_NOREUSE
From: Rik van Riel
Date: Sun Jun 26 2011 - 18:53:47 EST
On 06/24/2011 09:49 AM, Andrea Righi wrote:
@@ -114,7 +114,8 @@ SYSCALL_DEFINE(fadvise64_64)(int fd, loff_t offset, loff_t len, int advice)
ret = 0;
break;
case POSIX_FADV_NOREUSE:
- break;
+ /* Reduce cache eligibility */
+ force = false;
case POSIX_FADV_DONTNEED:
if (!bdi_write_congested(mapping->backing_dev_info))
filemap_flush(mapping);
And the same is true here. "force" is just not a very
descriptive name.
@@ -124,8 +125,8 @@ SYSCALL_DEFINE(fadvise64_64)(int fd, loff_t offset, loff_t len, int advice)
end_index = (endbyte>> PAGE_CACHE_SHIFT);
if (end_index>= start_index)
- invalidate_mapping_pages(mapping, start_index,
- end_index);
+ __invalidate_mapping_pages(mapping, start_index,
+ end_index, force);
break;
default:
ret = -EINVAL;
--
All rights reversed
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