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Registered in England and Wales under Company Registration No. 3798903 Subject: [PATCH 12/19] netfs: Prepare to split read_helper.c From: David Howells To: linux-cachefs@redhat.com Cc: dhowells@redhat.com, Anna Schumaker , Steve French , Dominique Martinet , Jeff Layton , David Wysochanski , Ilya Dryomov , Jeffle Xu , Linus Torvalds , linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs-developer@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 02 Mar 2022 14:07:08 +0000 Message-ID: <164623002861.3564931.17340149482236413375.stgit@warthog.procyon.org.uk> In-Reply-To: <164622970143.3564931.3656393397237724303.stgit@warthog.procyon.org.uk> References: <164622970143.3564931.3656393397237724303.stgit@warthog.procyon.org.uk> User-Agent: StGit/1.4 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Prepare to split read_helper.c by removing some 'static' markers and declaring those functions in internal.h. Rename netfs_rreq_unlock() to netfs_rreq_unlock_folios() to make it sound less like it's dropping a lock on an netfs_io_request struct. Signed-off-by: David Howells cc: linux-cachefs@redhat.com --- fs/netfs/internal.h | 8 ++++++++ fs/netfs/read_helper.c | 10 +++++----- 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/fs/netfs/internal.h b/fs/netfs/internal.h index ee2f64cde221..3970528955be 100644 --- a/fs/netfs/internal.h +++ b/fs/netfs/internal.h @@ -15,6 +15,11 @@ #define pr_fmt(fmt) "netfs: " fmt +/* + * buffered_read.c + */ +void netfs_rreq_unlock_folios(struct netfs_io_request *rreq); + /* * objects.c */ @@ -40,6 +45,9 @@ static inline void netfs_see_request(struct netfs_io_request *rreq, extern unsigned int netfs_debug; void netfs_rreq_work(struct work_struct *work); +void netfs_rreq_assess(struct netfs_io_request *rreq, bool was_async); +bool netfs_rreq_submit_slice(struct netfs_io_request *rreq, + unsigned int *_debug_index); /* * stats.c diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c index c953a573b6b6..e666f9cccc95 100644 --- a/fs/netfs/read_helper.c +++ b/fs/netfs/read_helper.c @@ -250,7 +250,7 @@ static void netfs_rreq_write_to_cache(struct netfs_io_request *rreq) * Unlock the folios in a read operation. We need to set PG_fscache on any * folios we're going to write back before we unlock them. */ -static void netfs_rreq_unlock(struct netfs_io_request *rreq) +void netfs_rreq_unlock_folios(struct netfs_io_request *rreq) { struct netfs_io_subrequest *subreq; struct folio *folio; @@ -418,7 +418,7 @@ static void netfs_rreq_is_still_valid(struct netfs_io_request *rreq) * Note that we could be in an ordinary kernel thread, on a workqueue or in * softirq context at this point. We inherit a ref from the caller. */ -static void netfs_rreq_assess(struct netfs_io_request *rreq, bool was_async) +void netfs_rreq_assess(struct netfs_io_request *rreq, bool was_async) { trace_netfs_rreq(rreq, netfs_rreq_trace_assess); @@ -432,7 +432,7 @@ static void netfs_rreq_assess(struct netfs_io_request *rreq, bool was_async) return; } - netfs_rreq_unlock(rreq); + netfs_rreq_unlock_folios(rreq); clear_bit_unlock(NETFS_RREQ_IN_PROGRESS, &rreq->flags); wake_up_bit(&rreq->flags, NETFS_RREQ_IN_PROGRESS); @@ -632,8 +632,8 @@ netfs_rreq_prepare_read(struct netfs_io_request *rreq, /* * Slice off a piece of a read request and submit an I/O request for it. */ -static bool netfs_rreq_submit_slice(struct netfs_io_request *rreq, - unsigned int *_debug_index) +bool netfs_rreq_submit_slice(struct netfs_io_request *rreq, + unsigned int *_debug_index) { struct netfs_io_subrequest *subreq; enum netfs_io_source source;