This patch allows f2fs to submit bios of in-place writes on pinned file.
Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org>
---
fs/f2fs/sysfs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index d18931b7b094..c56e8c873935 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -792,7 +792,8 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
if (!strcmp(a->attr.name, "ipu_policy")) {
if (t >= BIT(F2FS_IPU_MAX))
return -EINVAL;
- if (t && f2fs_lfs_mode(sbi))
+ /* allow F2FS_IPU_NOCACHE only for IPU in the pinned file */
+ if (f2fs_lfs_mode(sbi) && (t & ~BIT(F2FS_IPU_NOCACHE)))
return -EINVAL;
SM_I(sbi)->ipu_policy = (unsigned int)t;
return count;
--
2.46.0.662.g92d0881bb0-goog
_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
