Enable lock context analysis in drivers/block/ - #1042
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Add a missing __must_hold() annotation. Enable lock context analysis in the Makefile. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Move the code that is protected by a mutex from loop_change_fd() into __loop_change_fd(). Move the code that is protected by a mutex from loop_configure() into __loop_configure(). Keep the behavior in loop_global_lock_killable() for the global == true case. Expand loop_global_lock_killable(lo, false) calls into a mutex_lock_killable() and a mutex_unlock() call. This patch prepares for adding lock context annotations. Cc: Haris Iqbal <haris.iqbal@linux.dev> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Add lock context annotations that are compatible with Clang. Swap the loop_ctl_mutex and loop_index_idr declarations such that __guarded_by() can be used. Cc: Nilay Shroff <nilay@linux.ibm.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Let the compiler verify lock and unlock calls. Enable lock context analysis in the Makefile. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Nilay Shroff <nilay@linux.ibm.com>
Add __must_hold() annotations where these are missing. Document which mutex protects nbd_index_idr. Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Add __must_hold() annotations where these are missing. Because null_lock_zone() and null_unlock_zone() use conditional locking, instead of annotating these functions, introduce guard class null_zone. Replace null_lock_zone() and null_unlock_zone() calls with scoped_guard(null_zone, ...). Enable lock context analysis in the Makefile. Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Add lock context annotations. Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Add the lock context annotations that are required by Clang. Cc: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Let Clang verify lock and unlock calls. Enable lock context analysis in the Makefile. Acked-by: Roger Pau Monné <roger.pau@citrix.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Add the lock context annotations that are required by Clang. Enable lock context analysis in the Makefile. Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Let Clang verify lock and unlock calls. Enable lock context analysis in the Makefile. Acked-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Now that all locking functions in block drivers have been annotated, enable lock context analysis for all block drivers at the top level of drivers/block/. Signed-off-by: Bart Van Assche <bvanassche@acm.org>
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Pull request for series with
subject: Enable lock context analysis in drivers/block/
version: 2
url: https://patchwork.kernel.org/project/linux-block/list/?series=1137673