This adds the async buffered write support to f2fs, the following is the relevant test data.
iodepth | 1 | 2 | 4 | 8 | 16 | before(M/s) | 1012 | 1133 | 894 | 981 | 866 | after(M/s) | 1488 | 1896 | 2081 | 2188 | 2207 | Signed-off-by: Lu Hongfei <luhong...@vivo.com> Signed-off-by: Yangtao Li <frank...@vivo.com> --- fs/f2fs/file.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 23c68ee946e5..4faf2c04e325 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -546,7 +546,7 @@ static int f2fs_file_open(struct inode *inode, struct file *filp) if (err) return err; - filp->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC; + filp->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC | FMODE_BUF_WASYNC; return dquot_file_open(inode, filp); } @@ -4515,9 +4515,6 @@ static ssize_t f2fs_buffered_write_iter(struct kiocb *iocb, struct inode *inode = file_inode(file); ssize_t ret; - if (iocb->ki_flags & IOCB_NOWAIT) - return -EOPNOTSUPP; - current->backing_dev_info = inode_to_bdi(inode); ret = generic_perform_write(iocb, from); current->backing_dev_info = NULL; -- 2.39.0 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel