Date: Sat, 10 Mar 2018 13:48:02 +0000 From: Edward Tomasz =?utf-8?Q?Napiera=C5=82a?= <trasz@FreeBSD.org> To: David Bright <dab@FreeBSD.org> Cc: Ian Lepore <ian@freebsd.org>, Mark Johnston <markj@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r328013 - head/sbin/fsck_ffs Message-ID: <20180310134802.GA7708@brick> In-Reply-To: <D5627342-7FEF-47DA-AF4B-5F0D83490539@FreeBSD.org> References: <201801151925.w0FJPCKA019434@repo.freebsd.org> <20180309220940.GG6174@raichu> <1520634689.84937.74.camel@freebsd.org> <D5627342-7FEF-47DA-AF4B-5F0D83490539@FreeBSD.org>
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On 0309T2136, David Bright wrote: > On Mar 9, 2018, at 17:31, Ian Lepore <ian@freebsd.org> wrote: > > > > On Fri, 2018-03-09 at 17:09 -0500, Mark Johnston wrote: > >> > >> etc/rc.d/fsck doesn't know how to interpret the new exit code and now > >> just drops to a single-user shell when it is encountered. […] > >> > >> Is there any reason etc/rc.d/fsck shouldn't automatically retry (up to > > This is, in fact, the reason that I made the change I did. I was trying to put in a retry loop to rc.d/fsck, but found that I couldn’t get it to work because fsck and fsck_ffs were not exiting with non-zero status. The drop to single user is not really due to the specific (new) error code of 16, it is due to the fact that fsck_ffs is now exiting with a non-zero status when it hasn’t completely cleaned the file system; /any/ non-zero status would cause the current rc.d/fsck script to go to single user. Prior to my change, fsck_ffs was exiting with a zero status even though it had not completely cleaned the filesystem and told the user to run it again. > > > > > fsck_ffs already has a -R flag to automatically retry, wouldn't that be > > a better mechanism for handling this new type of retry? > > That’s true; however, there is currently no way to pass that flag through the filesystem-agnostic fsck wrapper called from rc.d/fsck to the filesystem-specific fsck_ffs program that it calls. One could implement a similar flag on the fsck wrapper to be passed along to the filesystem-specific checker, but I think fsck_ffs is the only one that currently implements such a flag. Sure there is. See /etc/defaults/rc.conf: fsck_y_flags="-T ffs:-R -T ufs:-R" # Additional flags for fsck -y
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