{"id":2075160,"url":"http://patchwork.ozlabs.org/api/patches/2075160/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/ce34a721a5283fce854f417baf7b1c8f5c48c028.1745295397.git.ktokunaga.mail@gmail.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"","list_archive_url":null,"date":"2025-04-22T05:27:17","name":"[v2,13/20] block: Fix type confict of the copy_file_range stub","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"d3f23d84caef391f5af0103d425184b2aa2d812e","submitter":{"id":90637,"url":"http://patchwork.ozlabs.org/api/people/90637/?format=json","name":"Kohei Tokunaga","email":"ktokunaga.mail@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/ce34a721a5283fce854f417baf7b1c8f5c48c028.1745295397.git.ktokunaga.mail@gmail.com/mbox/","series":[{"id":453631,"url":"http://patchwork.ozlabs.org/api/series/453631/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=453631","date":"2025-04-22T05:27:04","name":"Enable QEMU TCI to run 32bit guests on browsers","version":2,"mbox":"http://patchwork.ozlabs.org/series/453631/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2075160/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2075160/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20230601 header.b=enpJ2nly;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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helo=mail-pl1-x633.google.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Emscripten doesn't provide copy_file_range implementation but it declares\nthis function in its headers. Meson correctly detects the missing\nimplementation and unsets HAVE_COPY_FILE_RANGE. However, the stub defined in\nfile-posix.c causes a type conflict with the declaration from Emscripten\nduring compilation.\n\nTo fix this error, this commit updates the stub implementation in\nfile-posix.c to exactly match the declaration in Emscripten's headers. The\nmanpage also aligns with this signature.\n\nSigned-off-by: Kohei Tokunaga \n---\n block/file-posix.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)\n\nV2:\n- Removed the Emscripten-specific stub of copy_file_range in\n stubs/emscripten.c. Instead, updated the type of the existing\n copy_file_range stub in block/file-posix.c to match the declaration in the\n Emscripten headers and avoid a compilation error.","diff":"diff --git a/block/file-posix.c b/block/file-posix.c\nindex 69257c0891..2758f31844 100644\n--- a/block/file-posix.c\n+++ b/block/file-posix.c\n@@ -2015,8 +2015,8 @@ static int handle_aiocb_write_zeroes_unmap(void *opaque)\n }\n \n #ifndef HAVE_COPY_FILE_RANGE\n-static off_t copy_file_range(int in_fd, off_t *in_off, int out_fd,\n- off_t *out_off, size_t len, unsigned int flags)\n+ssize_t copy_file_range(int in_fd, off_t *in_off, int out_fd,\n+ off_t *out_off, size_t len, unsigned int flags)\n {\n #ifdef __NR_copy_file_range\n return syscall(__NR_copy_file_range, in_fd, in_off, out_fd,\n","prefixes":["v2","13/20"]}