f2fs: fix to initialize map.m_pblk in f2fs_precache_extents()

Message ID 20231007074552.3170496-1-chao@kernel.org
State New
Headers
Series f2fs: fix to initialize map.m_pblk in f2fs_precache_extents() |

Commit Message

Chao Yu Oct. 7, 2023, 7:45 a.m. UTC
  Otherwise, it may print random physical block address in tracepoint
of f2fs_map_blocks() as below:

f2fs_map_blocks: dev = (253,16), ino = 2297, file offset = 0, start blkaddr = 0xa356c421, len = 0x0, flags = 0

Fixes: c4020b2da4c9 ("f2fs: support F2FS_IOC_PRECACHE_EXTENTS")
Signed-off-by: Chao Yu <chao@kernel.org>
---
 fs/f2fs/file.c | 1 +
 1 file changed, 1 insertion(+)
  

Comments

patchwork-bot+f2fs@kernel.org Oct. 23, 2023, 3:30 p.m. UTC | #1
Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@kernel.org>:

On Sat,  7 Oct 2023 15:45:52 +0800 you wrote:
> Otherwise, it may print random physical block address in tracepoint
> of f2fs_map_blocks() as below:
> 
> f2fs_map_blocks: dev = (253,16), ino = 2297, file offset = 0, start blkaddr = 0xa356c421, len = 0x0, flags = 0
> 
> Fixes: c4020b2da4c9 ("f2fs: support F2FS_IOC_PRECACHE_EXTENTS")
> Signed-off-by: Chao Yu <chao@kernel.org>
> 
> [...]

Here is the summary with links:
  - [f2fs-dev] f2fs: fix to initialize map.m_pblk in f2fs_precache_extents()
    https://git.kernel.org/jaegeuk/f2fs/c/8b07c1fb0f1a

You are awesome, thank you!
  

Patch

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 5d726cbc4f0b..cfb199f9af0d 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3261,6 +3261,7 @@  int f2fs_precache_extents(struct inode *inode)
 		return -EOPNOTSUPP;
 
 	map.m_lblk = 0;
+	map.m_pblk = 0;
 	map.m_next_pgofs = NULL;
 	map.m_next_extent = &m_next_extent;
 	map.m_seg_type = NO_CHECK_TYPE;