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[2003:dc:6f45:eb00:230:64ff:fe74:809]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47a9de1d905sm22324916f8f.2.2026.07.06.00.25.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jul 2026 00:25:07 -0700 (PDT) From: Max Kellermann To: idryomov@gmail.com, amarkuze@redhat.com, ceph-devel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Max Kellermann Subject: [PATCH v2 17/18] fs/ceph/super: reorder struct ceph_snap_realm fields Date: Mon, 6 Jul 2026 09:24:48 +0200 Message-ID: <20260706072450.3920010-18-max.kellermann@ionos.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260706072450.3920010-1-max.kellermann@ionos.com> References: <20260706072450.3920010-1-max.kellermann@ionos.com> Precedence: bulk X-Mailing-List: ceph-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This eliminates two padding hole and reduces the size of the struct by 16 bytes. Signed-off-by: Max Kellermann --- fs/ceph/super.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/fs/ceph/super.h b/fs/ceph/super.h index afe681a47f71..ca4db56ef2d0 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -1020,16 +1020,16 @@ struct ceph_readdir_cache_control { struct ceph_snap_realm { u64 ino; struct inode *inode; - atomic_t nref; struct rb_node node; u64 created, seq; u64 parent_ino; u64 parent_since; /* snapid when our current parent became so */ - u64 *prior_parent_snaps; /* snaps inherited from any parents we */ - u32 num_prior_parent_snaps; /* had prior to parent_since */ + u64 *prior_parent_snaps; /* snaps inherited from any parents we had prior to parent_since */ u64 *snaps; /* snaps specific to this realm */ + + u32 num_prior_parent_snaps; u32 num_snaps; struct ceph_snap_realm *parent; @@ -1047,6 +1047,8 @@ struct ceph_snap_realm { struct list_head inodes_with_caps; spinlock_t inodes_with_caps_lock; + + atomic_t nref; }; static inline int default_congestion_kb(void) -- 2.47.3