From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D436C17332C; Tue, 26 Aug 2025 11:25:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756207542; cv=none; b=QIPcFLUYVGBQHYLiiv7QsSnf7sdj3OnEhP7CSjavhQIFdX0CSqqISDww24BLtTqSGc+7Qw3khTyb65K7QCry52LEZkHEW18RI7aSEc0kaN85gzSEbWAE4vhbDy1IKGDLjSFn27x/UTbVArz0cpLQkv/ovinUZxf9+MfpRMmHQVw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756207542; c=relaxed/simple; bh=f9pccDxfzVwyTTICtt84hd0r6n6TUE3MSp5WgNiSEVU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OZcuObVl82Zk7z9KOhmWPdGtyUGkxl+0xM0xvkLUa6ZWeNlqqKCEg033imb4j557RZcsSmU9Z8VKJD7qXNsgwCrnK1E4m7q+WgqIOgSqGDIIiiAaGDupqBJ4BtqPjlqiDq5Ih0/hBx81YVQjIcCHMZXtsnjaRcDF/qP1ypvTH14= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=oj2AE+6d; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="oj2AE+6d" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E75DC4CEF1; Tue, 26 Aug 2025 11:25:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1756207542; bh=f9pccDxfzVwyTTICtt84hd0r6n6TUE3MSp5WgNiSEVU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oj2AE+6dngGGi2tWw0T0tXe2eGYCHRiTTvY5x7BsGaU3Q62dYjaD3PkH9O3DVyPOq lJ3k2sVGiTWyr75eMlCWbRSs9AnIh+yBgZ/yWF4Y2mS/wnC4Soa5CMvM0wyHQJh8w4 hvdBNdhyugTqilDxyjgHexMpxCihA48JSukZzzjQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Christoph Hellwig , "Darrick J. Wong" , Carlos Maiolino , Sasha Levin Subject: [PATCH 6.16 223/457] xfs: return the allocated transaction from xfs_trans_alloc_empty Date: Tue, 26 Aug 2025 13:08:27 +0200 Message-ID: <20250826110942.879800228@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250826110937.289866482@linuxfoundation.org> References: <20250826110937.289866482@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christoph Hellwig [ Upstream commit d8e1ea43e5a314bc01ec059ce93396639dcf9112 ] xfs_trans_alloc_empty can't return errors, so return the allocated transaction directly instead of an output double pointer argument. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Carlos Maiolino Stable-dep-of: d2845519b072 ("xfs: fully decouple XFS_IBULK* flags from XFS_IWALK* flags") Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- fs/xfs/libxfs/xfs_refcount.c | 4 +--- fs/xfs/scrub/common.c | 3 ++- fs/xfs/scrub/repair.c | 12 ++---------- fs/xfs/scrub/scrub.c | 5 +---- fs/xfs/xfs_attr_item.c | 5 +---- fs/xfs/xfs_discard.c | 12 +++--------- fs/xfs/xfs_fsmap.c | 4 +--- fs/xfs/xfs_icache.c | 5 +---- fs/xfs/xfs_inode.c | 7 ++----- fs/xfs/xfs_itable.c | 18 +++--------------- fs/xfs/xfs_iwalk.c | 11 +++-------- fs/xfs/xfs_notify_failure.c | 5 +---- fs/xfs/xfs_qm.c | 10 ++-------- fs/xfs/xfs_rtalloc.c | 13 +++---------- fs/xfs/xfs_trans.c | 8 +++----- fs/xfs/xfs_trans.h | 3 +-- fs/xfs/xfs_zone_gc.c | 5 +---- 17 files changed, 31 insertions(+), 99 deletions(-) --- a/fs/xfs/libxfs/xfs_refcount.c +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -2099,9 +2099,7 @@ xfs_refcount_recover_cow_leftovers( * recording the CoW debris we cancel the (empty) transaction * and everything goes away cleanly. */ - error = xfs_trans_alloc_empty(mp, &tp); - if (error) - return error; + tp = xfs_trans_alloc_empty(mp); if (isrt) { xfs_rtgroup_lock(to_rtg(xg), XFS_RTGLOCK_REFCOUNT); --- a/fs/xfs/scrub/common.c +++ b/fs/xfs/scrub/common.c @@ -870,7 +870,8 @@ int xchk_trans_alloc_empty( struct xfs_scrub *sc) { - return xfs_trans_alloc_empty(sc->mp, &sc->tp); + sc->tp = xfs_trans_alloc_empty(sc->mp); + return 0; } /* --- a/fs/xfs/scrub/repair.c +++ b/fs/xfs/scrub/repair.c @@ -1279,18 +1279,10 @@ xrep_trans_alloc_hook_dummy( void **cookiep, struct xfs_trans **tpp) { - int error; - *cookiep = current->journal_info; current->journal_info = NULL; - - error = xfs_trans_alloc_empty(mp, tpp); - if (!error) - return 0; - - current->journal_info = *cookiep; - *cookiep = NULL; - return error; + *tpp = xfs_trans_alloc_empty(mp); + return 0; } /* Cancel a dummy transaction used by a live update hook function. */ --- a/fs/xfs/scrub/scrub.c +++ b/fs/xfs/scrub/scrub.c @@ -876,10 +876,7 @@ xchk_scrubv_open_by_handle( struct xfs_inode *ip; int error; - error = xfs_trans_alloc_empty(mp, &tp); - if (error) - return NULL; - + tp = xfs_trans_alloc_empty(mp); error = xfs_iget(mp, tp, head->svh_ino, XCHK_IGET_FLAGS, 0, &ip); xfs_trans_cancel(tp); if (error) --- a/fs/xfs/xfs_attr_item.c +++ b/fs/xfs/xfs_attr_item.c @@ -616,10 +616,7 @@ xfs_attri_iread_extents( struct xfs_trans *tp; int error; - error = xfs_trans_alloc_empty(ip->i_mount, &tp); - if (error) - return error; - + tp = xfs_trans_alloc_empty(ip->i_mount); xfs_ilock(ip, XFS_ILOCK_EXCL); error = xfs_iread_extents(tp, ip, XFS_ATTR_FORK); xfs_iunlock(ip, XFS_ILOCK_EXCL); --- a/fs/xfs/xfs_discard.c +++ b/fs/xfs/xfs_discard.c @@ -189,9 +189,7 @@ xfs_trim_gather_extents( */ xfs_log_force(mp, XFS_LOG_SYNC); - error = xfs_trans_alloc_empty(mp, &tp); - if (error) - return error; + tp = xfs_trans_alloc_empty(mp); error = xfs_alloc_read_agf(pag, tp, 0, &agbp); if (error) @@ -583,9 +581,7 @@ xfs_trim_rtextents( struct xfs_trans *tp; int error; - error = xfs_trans_alloc_empty(mp, &tp); - if (error) - return error; + tp = xfs_trans_alloc_empty(mp); /* * Walk the free ranges between low and high. The query_range function @@ -701,9 +697,7 @@ xfs_trim_rtgroup_extents( struct xfs_trans *tp; int error; - error = xfs_trans_alloc_empty(mp, &tp); - if (error) - return error; + tp = xfs_trans_alloc_empty(mp); /* * Walk the free ranges between low and high. The query_range function --- a/fs/xfs/xfs_fsmap.c +++ b/fs/xfs/xfs_fsmap.c @@ -1270,9 +1270,7 @@ xfs_getfsmap( * buffer locking abilities to detect cycles in the rmapbt * without deadlocking. */ - error = xfs_trans_alloc_empty(mp, &tp); - if (error) - break; + tp = xfs_trans_alloc_empty(mp); info.dev = handlers[i].dev; info.last = false; --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -893,10 +893,7 @@ xfs_metafile_iget( struct xfs_trans *tp; int error; - error = xfs_trans_alloc_empty(mp, &tp); - if (error) - return error; - + tp = xfs_trans_alloc_empty(mp); error = xfs_trans_metafile_iget(tp, ino, metafile_type, ipp); xfs_trans_cancel(tp); return error; --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -2932,12 +2932,9 @@ xfs_inode_reload_unlinked( struct xfs_inode *ip) { struct xfs_trans *tp; - int error; - - error = xfs_trans_alloc_empty(ip->i_mount, &tp); - if (error) - return error; + int error = 0; + tp = xfs_trans_alloc_empty(ip->i_mount); xfs_ilock(ip, XFS_ILOCK_SHARED); if (xfs_inode_unlinked_incomplete(ip)) error = xfs_inode_reload_unlinked_bucket(tp, ip); --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -239,14 +239,10 @@ xfs_bulkstat_one( * Grab an empty transaction so that we can use its recursive buffer * locking abilities to detect cycles in the inobt without deadlocking. */ - error = xfs_trans_alloc_empty(breq->mp, &tp); - if (error) - goto out; - + tp = xfs_trans_alloc_empty(breq->mp); error = xfs_bulkstat_one_int(breq->mp, breq->idmap, tp, breq->startino, &bc); xfs_trans_cancel(tp); -out: kfree(bc.buf); /* @@ -331,17 +327,13 @@ xfs_bulkstat( * Grab an empty transaction so that we can use its recursive buffer * locking abilities to detect cycles in the inobt without deadlocking. */ - error = xfs_trans_alloc_empty(breq->mp, &tp); - if (error) - goto out; - + tp = xfs_trans_alloc_empty(breq->mp); if (breq->flags & XFS_IBULK_SAME_AG) iwalk_flags |= XFS_IWALK_SAME_AG; error = xfs_iwalk(breq->mp, tp, breq->startino, iwalk_flags, xfs_bulkstat_iwalk, breq->icount, &bc); xfs_trans_cancel(tp); -out: kfree(bc.buf); /* @@ -464,14 +456,10 @@ xfs_inumbers( * Grab an empty transaction so that we can use its recursive buffer * locking abilities to detect cycles in the inobt without deadlocking. */ - error = xfs_trans_alloc_empty(breq->mp, &tp); - if (error) - goto out; - + tp = xfs_trans_alloc_empty(breq->mp); error = xfs_inobt_walk(breq->mp, tp, breq->startino, breq->flags, xfs_inumbers_walk, breq->icount, &ic); xfs_trans_cancel(tp); -out: /* * We found some inode groups, so clear the error status and return --- a/fs/xfs/xfs_iwalk.c +++ b/fs/xfs/xfs_iwalk.c @@ -377,11 +377,8 @@ xfs_iwalk_run_callbacks( if (!has_more) return 0; - if (iwag->drop_trans) { - error = xfs_trans_alloc_empty(mp, &iwag->tp); - if (error) - return error; - } + if (iwag->drop_trans) + iwag->tp = xfs_trans_alloc_empty(mp); /* ...and recreate the cursor just past where we left off. */ error = xfs_ialloc_read_agi(iwag->pag, iwag->tp, 0, agi_bpp); @@ -617,9 +614,7 @@ xfs_iwalk_ag_work( * Grab an empty transaction so that we can use its recursive buffer * locking abilities to detect cycles in the inobt without deadlocking. */ - error = xfs_trans_alloc_empty(mp, &iwag->tp); - if (error) - goto out; + iwag->tp = xfs_trans_alloc_empty(mp); iwag->drop_trans = 1; error = xfs_iwalk_ag(iwag); --- a/fs/xfs/xfs_notify_failure.c +++ b/fs/xfs/xfs_notify_failure.c @@ -279,10 +279,7 @@ xfs_dax_notify_dev_failure( kernel_frozen = xfs_dax_notify_failure_freeze(mp) == 0; } - error = xfs_trans_alloc_empty(mp, &tp); - if (error) - goto out; - + tp = xfs_trans_alloc_empty(mp); start_gno = xfs_fsb_to_gno(mp, start_bno, type); end_gno = xfs_fsb_to_gno(mp, end_bno, type); while ((xg = xfs_group_next_range(mp, xg, start_gno, end_gno, type))) { --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -660,10 +660,7 @@ xfs_qm_load_metadir_qinos( struct xfs_trans *tp; int error; - error = xfs_trans_alloc_empty(mp, &tp); - if (error) - return error; - + tp = xfs_trans_alloc_empty(mp); error = xfs_dqinode_load_parent(tp, &qi->qi_dirip); if (error == -ENOENT) { /* no quota dir directory, but we'll create one later */ @@ -1755,10 +1752,7 @@ xfs_qm_qino_load( struct xfs_inode *dp = NULL; int error; - error = xfs_trans_alloc_empty(mp, &tp); - if (error) - return error; - + tp = xfs_trans_alloc_empty(mp); if (xfs_has_metadir(mp)) { error = xfs_dqinode_load_parent(tp, &dp); if (error) --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -729,9 +729,7 @@ xfs_rtginode_ensure( if (rtg->rtg_inodes[type]) return 0; - error = xfs_trans_alloc_empty(rtg_mount(rtg), &tp); - if (error) - return error; + tp = xfs_trans_alloc_empty(rtg_mount(rtg)); error = xfs_rtginode_load(rtg, type, tp); xfs_trans_cancel(tp); @@ -1305,9 +1303,7 @@ xfs_growfs_rt_prep_groups( if (!mp->m_rtdirip) { struct xfs_trans *tp; - error = xfs_trans_alloc_empty(mp, &tp); - if (error) - return error; + tp = xfs_trans_alloc_empty(mp); error = xfs_rtginode_load_parent(tp); xfs_trans_cancel(tp); @@ -1674,10 +1670,7 @@ xfs_rtmount_inodes( struct xfs_rtgroup *rtg = NULL; int error; - error = xfs_trans_alloc_empty(mp, &tp); - if (error) - return error; - + tp = xfs_trans_alloc_empty(mp); if (xfs_has_rtgroups(mp) && mp->m_sb.sb_rgcount > 0) { error = xfs_rtginode_load_parent(tp); if (error) --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -329,13 +329,11 @@ retry: * where we can be grabbing buffers at the same time that freeze is trying to * drain the buffer LRU list. */ -int +struct xfs_trans * xfs_trans_alloc_empty( - struct xfs_mount *mp, - struct xfs_trans **tpp) + struct xfs_mount *mp) { - *tpp = __xfs_trans_alloc(mp, XFS_TRANS_NO_WRITECOUNT); - return 0; + return __xfs_trans_alloc(mp, XFS_TRANS_NO_WRITECOUNT); } /* --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -168,8 +168,7 @@ int xfs_trans_alloc(struct xfs_mount *m struct xfs_trans **tpp); int xfs_trans_reserve_more(struct xfs_trans *tp, unsigned int blocks, unsigned int rtextents); -int xfs_trans_alloc_empty(struct xfs_mount *mp, - struct xfs_trans **tpp); +struct xfs_trans *xfs_trans_alloc_empty(struct xfs_mount *mp); void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t); int xfs_trans_get_buf_map(struct xfs_trans *tp, struct xfs_buftarg *target, --- a/fs/xfs/xfs_zone_gc.c +++ b/fs/xfs/xfs_zone_gc.c @@ -328,10 +328,7 @@ xfs_zone_gc_query( iter->rec_idx = 0; iter->rec_count = 0; - error = xfs_trans_alloc_empty(mp, &tp); - if (error) - return error; - + tp = xfs_trans_alloc_empty(mp); xfs_rtgroup_lock(rtg, XFS_RTGLOCK_RMAP); cur = xfs_rtrmapbt_init_cursor(tp, rtg); error = xfs_rmap_query_range(cur, &ri_low, &ri_high,