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Wong" , Ojaswin Mujoo , Zorro Lang , fstests@vger.kernel.org, fdmanana@suse.com, ritesh.list@gmail.com, naohiro.aota@wdc.com, wqu@suse.com, Disha Goel , linux-ext4 Subject: Re: [PATCH 4/6] generic/765: Ignore mkfs warning Message-ID: Mail-Followup-To: Theodore Tso , "Darrick J. Wong" , Ojaswin Mujoo , Zorro Lang , fstests@vger.kernel.org, fdmanana@suse.com, ritesh.list@gmail.com, naohiro.aota@wdc.com, wqu@suse.com, Disha Goel , linux-ext4 References: <20260410165435.GU6212@frogsfrogsfrogs> <20260413162120.GV6212@frogsfrogsfrogs> <20260413204215.GA5461@macsyma-wired.lan> Precedence: bulk X-Mailing-List: fstests@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260413204215.GA5461@macsyma-wired.lan> On Mon, Apr 13, 2026 at 04:42:15PM -0400, Theodore Tso wrote: > > > > > > The output can get corrupted with warnings like below because clustersize > > > > > > more than 16xbs is experimental: > > > > > > > > > > > > + 16 times the block size is considered experimental > > > > > > > > > > > > Hence pipe these to seqres.full to avoid false negatives. > > You could also suppress the warnings using the -q option, for example: > > mke2fs -Fq -t ext4 -O bigalloc,quota -b 4096 -C 131072 /tmp/foo.img 4G > > > > Futher, mke2fs has multiple instances where we print warnings to stderr, > > > should we go and fix all of them as well? > > > > "stderr" meaning "standard error", I'd say that errors are anything that > > prohibits the format from completing, and only errors should go there. > > Sure, I'll accept those changes. But adding -q will allow the test to > pass using older versions of e2fsprogs, while still allowing stderr to > go out the expected output. Aha, good point! Thanks Ted :) > > - Ted >