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Thu, 1 Oct 2026 05:16:43 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id aRXOE7vsvWrVGwAAD6G6ig (envelope-from ) for ; Thu, 01 Oct 2026 05:16:43 +0000 From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH 0/3] btrfs: small fixes related to qgroup deletion Date: Thu, 1 Oct 2026 14:46:14 +0930 Message-ID: X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Queue-Id: 4A7041FD01 X-Rspamd-Action: no action X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.com:s=susede1]; NEURAL_HAM_SHORT(-0.20)[-0.997]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; PREVIOUSLY_DELIVERED(0.00)[linux-btrfs@vger.kernel.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; URIBL_BLOCKED(0.00)[suse.com:mid,suse.com:dkim,imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:mid,suse.com:dkim,imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns]; TO_DN_NONE(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; DKIM_TRACE(0.00)[suse.com:+] X-Spam-Flag: NO X-Spam-Score: -3.01 X-Spam-Level: There is a recent bug report that when deleting a qgroup that is not fully exclusively owned, it can make all future qgroup operations to fail. It turns out to be a problem handling "ret > 0" cases when deleting a qgroup. The first patch is the root fix. The seconds patch is to improve the error reporting of quick_update_accounting(). Finally there is a pre-existing problem exposed by that "ret > 0" handling, that if we use btrfs_remove_qgroup() on a qgroup that only exists in the rb-tree, it will return -ENOENT meanwhile still deletes the in-memory qgroup. Fix that -ENOENT leak in the last patch. Qu Wenruo (3): btrfs: qgroup: do not treat "ret > 0" as error when deleting a qgroup btrfs: qgroup: use qgroup_mark_inconsistent() in quick_update_accounting() btrfs: qgroup: do not leak -ENOENT from btrfs_remove_qgroup() fs/btrfs/qgroup.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) -- 2.55.0