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charset="utf-8" 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-axboe@kernel.dk/T/#m5= 8520a94b46f543d82db3711453dfc7bb594b2b0 Signed-off-by: Qi Han --- 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 =3D= { .splice_read =3D f2fs_file_splice_read, .splice_write =3D iter_file_splice_write, .fadvise =3D f2fs_file_fadvise, - .fop_flags =3D FOP_BUFFER_RASYNC, + .fop_flags =3D FOP_BUFFER_RASYNC | FOP_DONTCACHE, }; --=20 2.48.1