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Tue, 16 Sep 2025 16:50:45 -0700 (PDT) From: Joanne Koong To: brauner@kernel.org, miklos@szeredi.hu Cc: hch@infradead.org, djwong@kernel.org, hsiangkao@linux.alibaba.com, linux-block@vger.kernel.org, gfs2@lists.linux.dev, linux-fsdevel@vger.kernel.org, kernel-team@meta.com, linux-xfs@vger.kernel.org, linux-doc@vger.kernel.org Subject: [PATCH v3 12/15] iomap: make iomap_read_folio() a void return Date: Tue, 16 Sep 2025 16:44:22 -0700 Message-ID: <20250916234425.1274735-13-joannelkoong@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20250916234425.1274735-1-joannelkoong@gmail.com> References: <20250916234425.1274735-1-joannelkoong@gmail.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit No errors are propagated in iomap_read_folio(). Change iomap_read_folio() to a void return to make this clearer to callers. Signed-off-by: Joanne Koong --- fs/iomap/buffered-io.c | 9 +-------- include/linux/iomap.h | 2 +- 2 files changed, 2 insertions(+), 9 deletions(-) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 72258b0109ec..be535bd3aeca 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -450,7 +450,7 @@ static int iomap_read_folio_iter(struct iomap_iter *iter, return ret; } -int iomap_read_folio(const struct iomap_ops *ops, +void iomap_read_folio(const struct iomap_ops *ops, struct iomap_read_folio_ctx *ctx) { struct folio *folio = ctx->cur_folio; @@ -477,13 +477,6 @@ int iomap_read_folio(const struct iomap_ops *ops, if (!cur_folio_owned) folio_unlock(folio); - - /* - * Just like mpage_readahead and block_read_full_folio, we always - * return 0 and just set the folio error flag on errors. This - * should be cleaned up throughout the stack eventually. - */ - return 0; } EXPORT_SYMBOL_GPL(iomap_read_folio); diff --git a/include/linux/iomap.h b/include/linux/iomap.h index 4a168ebb40f5..fa55ec611fff 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -340,7 +340,7 @@ static inline bool iomap_want_unshare_iter(const struct iomap_iter *iter) ssize_t iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *from, const struct iomap_ops *ops, const struct iomap_write_ops *write_ops, void *private); -int iomap_read_folio(const struct iomap_ops *ops, +void iomap_read_folio(const struct iomap_ops *ops, struct iomap_read_folio_ctx *ctx); void iomap_readahead(const struct iomap_ops *ops, struct iomap_read_folio_ctx *ctx); -- 2.47.3