[PATCH 2/2] f2fs: allow direct io of pinned files for zoned storage

From: Daeho Jeong
Date: Thu Apr 11 2024 - 14:48:31 EST


From: Daeho Jeong <daehojeong@xxxxxxxxxx>

Since the allocation happens in conventional LU for zoned storage, we
can allow direct io for that.

Signed-off-by: Daeho Jeong <daehojeong@xxxxxxxxxx>
---
fs/f2fs/file.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 3ee61bc82c6f..c8e086077a48 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -833,7 +833,8 @@ static bool f2fs_force_buffered_io(struct inode *inode, int rw)
* for blkzoned device, fallback direct IO to buffered IO, so
* all IOs can be serialized by log-structured write.
*/
- if (f2fs_sb_has_blkzoned(sbi) && (rw == WRITE))
+ if (f2fs_sb_has_blkzoned(sbi) && (rw == WRITE) &&
+ !f2fs_is_pinned_file(inode))
return true;
if (is_sbi_flag_set(sbi, SBI_CP_DISABLED))
return true;
--
2.44.0.683.g7961c838ac-goog