Jens has already completed the development of uncached buffered I/O in git [1], and in f2fs, the feature can be enabled simply by setting the FOP_DONTCACHE flag in f2fs_file_operations.
[1] https://lore.kernel.org/all/20241220154831.1086649-10-ax...@kernel.dk/T/#m58520a94b46f543d82db3711453dfc7bb594b2b0 Signed-off-by: Qi Han <ha...@vivo.com> --- fs/f2fs/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 696131e655ed..d8da1fc2febf 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -5425,5 +5425,5 @@ const struct file_operations f2fs_file_operations = { .splice_read = f2fs_file_splice_read, .splice_write = iter_file_splice_write, .fadvise = f2fs_file_fadvise, - .fop_flags = FOP_BUFFER_RASYNC, + .fop_flags = FOP_BUFFER_RASYNC | FOP_DONTCACHE, }; -- 2.48.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
