Re: [PATCH v2 2/4] erofs: support unencoded inodes for fileio
From: Gao Xiang
Date: Wed Sep 04 2024 - 02:56:35 EST
On 2024/8/30 11:28, Gao Xiang wrote:
Since EROFS only needs to handle read requests in simple contexts,
Just directly use vfs_iocb_iter_read() for data I/Os.
Signed-off-by: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx>
Unmapped extent could actually split, already fixed as below:
diff --git a/fs/erofs/fileio.c b/fs/erofs/fileio.c
index 598b865ae25f..7f82238047e6 100644
--- a/fs/erofs/fileio.c
+++ b/fs/erofs/fileio.c
@@ -127,6 +127,7 @@ static int erofs_fileio_scan_folio(struct erofs_fileio *io, struct folio *folio)
erofs_put_metabuf(&buf);
} else if (!(map->m_flags & EROFS_MAP_MAPPED)) {
folio_zero_segment(folio, cur, cur + len);
+ attached = 0;
} else {
if (io->rq && (map->m_pa + ofs != io->dev.m_pa ||
map->m_deviceid != io->dev.m_deviceid)) {