| commit | d4dd19ec1ea0cf6532d65709325c42b1398614a8 | [log] [tgz] |
|---|---|---|
| author | Jaegeuk Kim <jaegeuk@kernel.org> | Fri Nov 12 14:31:16 2021 -0800 |
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | Sat Dec 04 10:53:33 2021 -0800 |
| tree | 399db103c398219451cf13c22ff3bf6639dd439d | |
| parent | b31bf0f96e71a2c81d2122c3fecdb91f8e215c20 [diff] |
f2fs: do not expose unwritten blocks to user by DIO DIO preallocates physical blocks before writing data, but if an error occurrs or power-cut happens, we can see block contents from the disk. This patch tries to fix it by 1) turning to buffered writes for DIO into holes, 2) truncating unwritten blocks from error or power-cut. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>