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[85.250.214.4]) by smtp.gmail.com with ESMTPSA id bk28-20020a0560001d9c00b0033e22a7b3f8sm3070716wrb.75.2024.03.17.11.42.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 Mar 2024 11:42:03 -0700 (PDT) From: Amir Goldstein To: Jan Kara , Jens Axboe Cc: Christian Brauner , linux-fsdevel@vger.kernel.org Subject: [PATCH 02/10] fsnotify: create helpers to get sb and connp from object Date: Sun, 17 Mar 2024 20:41:46 +0200 Message-Id: <20240317184154.1200192-3-amir73il@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240317184154.1200192-1-amir73il@gmail.com> References: <20240317184154.1200192-1-amir73il@gmail.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In preparation to passing an object pointer to add/remove/find mark helpers, create helpers to get sb and connp by object type. Signed-off-by: Amir Goldstein --- fs/notify/fsnotify.h | 14 ++++++++++++++ fs/notify/mark.c | 14 ++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/fs/notify/fsnotify.h b/fs/notify/fsnotify.h index fde74eb333cc..87456ce40364 100644 --- a/fs/notify/fsnotify.h +++ b/fs/notify/fsnotify.h @@ -27,6 +27,20 @@ static inline struct super_block *fsnotify_conn_sb( return container_of(conn->obj, struct super_block, s_fsnotify_marks); } +static inline struct super_block *fsnotify_object_sb(void *obj, int obj_type) +{ + switch (obj_type) { + case FSNOTIFY_OBJ_TYPE_INODE: + return ((struct inode *)obj)->i_sb; + case FSNOTIFY_OBJ_TYPE_VFSMOUNT: + return ((struct vfsmount *)obj)->mnt_sb; + case FSNOTIFY_OBJ_TYPE_SB: + return (struct super_block *)obj; + default: + return NULL; + } +} + static inline struct super_block *fsnotify_connector_sb( struct fsnotify_mark_connector *conn) { diff --git a/fs/notify/mark.c b/fs/notify/mark.c index 8339d77b1aa2..95bcd818ae96 100644 --- a/fs/notify/mark.c +++ b/fs/notify/mark.c @@ -97,6 +97,20 @@ void fsnotify_get_mark(struct fsnotify_mark *mark) refcount_inc(&mark->refcnt); } +static fsnotify_connp_t *fsnotify_object_connp(void *obj, int obj_type) +{ + switch (obj_type) { + case FSNOTIFY_OBJ_TYPE_INODE: + return &((struct inode *)obj)->i_fsnotify_marks; + case FSNOTIFY_OBJ_TYPE_VFSMOUNT: + return &real_mount(obj)->mnt_fsnotify_marks; + case FSNOTIFY_OBJ_TYPE_SB: + return &((struct super_block *)obj)->s_fsnotify_marks; + default: + return NULL; + } +} + static __u32 *fsnotify_conn_mask_p(struct fsnotify_mark_connector *conn) { if (conn->type == FSNOTIFY_OBJ_TYPE_INODE) -- 2.34.1