From nobody Tue Dec 16 15:22:48 2025 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4dW0zr5RWvz6L6gx for ; Tue, 16 Dec 2025 15:22:48 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4dW0zr2rDdz3t32 for ; Tue, 16 Dec 2025 15:22:48 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1765898568; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=cKI61bcIdrRUeqEDk1606QOPukTgGz9tCh8KzNdMqsg=; b=DZyl0eL3cog9xBZ66Jei9AsUzaj1RROsOOQUvQf/WFDL9hIo4vq2F3B/G9cyqn1daDjWHz rrt/bNGctUpnCp0noCyLdXqaVfQS4SumRgQMHrW391A2MYbkZwMSELkRFtKhRkpG4duRfi NBs2ZYZidzZRInedB6QavEn1VjsH4+9YkKAdbLYX2Qw2q5iwFE/EqPYx9qrJX6dgup+0Hg mgJ2peWhfB4Ny9FL1B/aeyeVS908jJT2LCb10BJZSnIoK2i9ebxOqdsBiiYigz8hFEfUPD R1ZZvXH1kCHS6pcUA5rGutdrSUqDPrBl9SZZA/VjB3hhGVU/pPCWOESTMPLP7g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1765898568; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=cKI61bcIdrRUeqEDk1606QOPukTgGz9tCh8KzNdMqsg=; b=CaFzlQYZ1BHg+aHwRrYvlJ/vDwoT7I1HcbynOBjXRUVEVRfKS8S/lE1j04VInNWmdH9+KJ LIkKAcfRXIz+iSTUlgYMjTaMRrT82+uZhtp5k3i/DT1fY4MqxP6jYGbFF2rt/rmTDkl3od ECEcUWdNaE/D00iAq0WNyS808vkVUyxe0vQjMGXzS/1dP7i+z003Wi4Ws2kbV7v7Z8g8t2 BpIdTyS8GV0bSH7nPe4752uyeUYMqjduDAGp0RCsXtxSohWokLzf1kZO7ALLxhFKpzbO1v WvhXiz7kcA8sHtFX0+BAjhS3HzJSQkj2vw3ZmMKErapk1vQvP8oI7PDSecfFkA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1765898568; a=rsa-sha256; cv=none; b=xYRUgdj9GaW5Pjr0bA+AcNAPilvpylA1CZSAJrqcnW5HvhMEWyeJ57h76giGGBYQp1D+9y wkrpl2vLc0V1gDeLyspDZJLS2k2BoXYBAulMsa3O/uHS3CmY4bPfQzqLD/nGMtwBRk9qU7 pwsFExbtKCAA8dwCN4yTaLpTBbGo75ypUMObpj8DMUWdLWhLl80+i/ejYNJlGdvrbRdxaX 5A+x3Cd0rKZr7H+y+poOIqX4mgEOzIJI6sbgMkw4/5LBayH3npA42B4Pc6/EmQx6SxlR1n JatFm5vF7fqsqqMHENHrp6btNrZH2g+pRSOunrF6XLcpyDF0dxLmd5TknN1X+Q== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4dW0zr2Q0Dz19Fy for ; Tue, 16 Dec 2025 15:22:48 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 41845 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Tue, 16 Dec 2025 15:22:48 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Eugene Grosbein Subject: git: 81b68da9d428 - stable/14 - trim.8: minor update for manual page List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: eugen X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: 81b68da9d428c9e3fed8ed7e3115cb2c5fa6fa52 Auto-Submitted: auto-generated Date: Tue, 16 Dec 2025 15:22:48 +0000 Message-Id: <69417948.41845.3297d264@gitrepo.freebsd.org> The branch stable/14 has been updated by eugen: URL: https://cgit.FreeBSD.org/src/commit/?id=81b68da9d428c9e3fed8ed7e3115cb2c5fa6fa52 commit 81b68da9d428c9e3fed8ed7e3115cb2c5fa6fa52 Author: Eugene Grosbein AuthorDate: 2025-12-09 14:47:26 +0000 Commit: Eugene Grosbein CommitDate: 2025-12-16 15:22:12 +0000 trim.8: minor update for manual page Further explain that trim(8) is not for trimming free blocks in populated file systems/ZFS pools, as people still take it wrong sometimes. (cherry picked from commit dbc4a1c69191909a7210cad6da46b755557d0d34) (cherry picked from commit b2f8d46d898fb50222aefca47d687a852c647b2f) --- usr.sbin/trim/trim.8 | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/usr.sbin/trim/trim.8 b/usr.sbin/trim/trim.8 index ebb8b927cd91..b4799399e110 100644 --- a/usr.sbin/trim/trim.8 +++ b/usr.sbin/trim/trim.8 @@ -23,7 +23,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd October 1, 2025 +.Dd December 9, 2025 .Dt TRIM 8 .Os .Sh NAME @@ -51,11 +51,21 @@ utility erases specified region of the device. It is mostly relevant for a storage that implements trim (like flash based, or thinly provisioned storage). .Sy All erased data is lost. -Alternatively, refer to the +.Pp +The +.Nm +utility should not be used upon mounted file system or active devices +being a part of imported ZFS pool or other software RAID, and the kernel +does not permit such usage generally. +If used upon not mounted file system +or inactive device, the +.Nm +utility erases blocks non-selectively, whether a block is occupied or not. +Refer to the .Xr fsck_ffs 8 command having a flag .Fl E -to trim populated UFS, and to the +to trim free blocks inside populated UFS, and to the .Xr zpool-trim 8 command to trim existing ZFS pool. .Pp