[Linux-cachefs] [PATCH v3 21/22] erofs: implement fscache-based data readahead for inline layout

[Jeffle Xu]

Signed-off-by: Jeffle Xu <jeffl...@linux.alibaba.com>
---
 fs/erofs/fscache.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c
index ef5eef33e3d5..003f9abdaf1b 100644
--- a/fs/erofs/fscache.c
+++ b/fs/erofs/fscache.c
@@ -198,6 +198,7 @@ static int erofs_fscache_readpage(struct file *file, struct 
page *page)
 enum erofs_fscache_readahead_type {
        EROFS_FSCACHE_READAHEAD_TYPE_HOLE,
        EROFS_FSCACHE_READAHEAD_TYPE_NOINLINE,
+       EROFS_FSCACHE_READAHEAD_TYPE_INLINE,
 };
 
 static int erofs_fscache_do_readahead(struct readahead_control *rac,
@@ -231,6 +232,9 @@ static int erofs_fscache_do_readahead(struct 
readahead_control *rac,
                        ret = erofs_fscache_readpage_noinline(page, fsmap);
                        fsmap->m_pa += EROFS_BLKSIZ;
                        break;
+               case EROFS_FSCACHE_READAHEAD_TYPE_INLINE:
+                       ret = erofs_fscache_readpage_inline(page, fsmap);
+                       break;
                default:
                        DBG_BUGON(1);
                        return -EINVAL;
@@ -285,6 +289,10 @@ static void erofs_fscache_readahead(struct 
readahead_control *rac)
                                ret = erofs_fscache_do_readahead(rac, &fsmap,
                                        EROFS_FSCACHE_READAHEAD_TYPE_NOINLINE);
                                break;
+                       case EROFS_INODE_FLAT_INLINE:
+                               ret = erofs_fscache_do_readahead(rac, &fsmap,
+                                       EROFS_FSCACHE_READAHEAD_TYPE_INLINE);
+                               break;
                        default:
                                DBG_BUGON(1);
                                return;
-- 
2.27.0

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