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charset="UTF-8" X-Stat-Signature: a3tryzbg7obr8yy6184ppicsnge7cpom X-Rspamd-Queue-Id: 7520280007 X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1790816266-168396 X-HE-Meta: U2FsdGVkX19IYlHT3fewrWpOL+X4ZSfGFgW+tt7PzZ1phh21AR9i1l+f/oU7/Sx08aF6b5tnB1PvrxuuUkdSpogPlpwC8c5ZwoHLKYBSMqn8PvbSEvs5XRF7VvS4VxkxekiTC/9NV/qHi2dvYI4lhGX/36P/iYUnpl6eqQNGNZm6nPZ9ISmW0wsyZ83H5rOPu4+UwVmYgrTLbLAuissdct8tcVnbqzLOQE+ot9qadxxAv3zS4UI69NpmzZZoJ+ZcYqq2dYgqtlh+oZJ3MOlCYYr3pGlddr35lrXUjKUOhb3njSiXQLspuzIxAwzJ/Nqa+y7yWiEyD7flUzQ5C4DgnWcc0YhEH6PbS7KopQUgEeGQmYecvcm6aOkmw2F/JQgCViz20/tatu9wRkjU4XzZOsv7Tq5ASr3k2ReXYyhW8HbM3njindvK/3e3tY3qnSUzDwS3fUUFhJLZOViAEMDY2siYQrlkJOtOtI3IqDf16TbeNnb5PdlIoTYd9R4suzkItXRnamObNQ8k6paRmbwZdFkqERmhtnQdR1f3HQhN5IRGokgkpt15dYD9zG4Xn+AovM/k8+2U8B5rSUjdzUFXi1XX8neeucTJyk92VmFiXATBI83CD3bK8DRGlKBwo9z/yVCoU4tr8eU1Fh6ebo+PxTpbryaHn0X29IewxxafmH+Z9MIOulJanFiGhRaz6g9Wjd6bir4MnxgR4LlgMndkgcHfxWxHxcL0jeRxPRXSA4pzDXU4Mqdl/roM4xGArKZWkvjAGCASWoSyZaeA7F0cpURowq1xQSNzmCNkpD/lpy7GUkv6KeBom9VSkD2cwja2hWUlgZwZv0DJz7+8jf+ysGOBu4VBRAzzKNeO321rDpo90VVuET+1hYFiyt/qOS/4wzVRXRn2C+IXQ+I8jlYvoYWPuNONULnKM2VClYG3uEKkGP6My8reg9fk9zsr53HiBOArJBnfUSaJxFK3PDo OU1wL+C2 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Add luo_session_preserve_fds() that can be used to preserve a batch of FDs using the LIVEUPDATE_SESSION_PRESERVE_FDS ioctl. Signed-off-by: Samiullah Khawaja --- .../liveupdate/lib/include/libliveupdate.h | 2 ++ .../selftests/liveupdate/lib/lu_utils.c | 20 +++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/tools/testing/selftests/liveupdate/lib/include/libliveupdate.h b/tools/testing/selftests/liveupdate/lib/include/libliveupdate.h index fa07fed08364..9aaf6f28ef56 100644 --- a/tools/testing/selftests/liveupdate/lib/include/libliveupdate.h +++ b/tools/testing/selftests/liveupdate/lib/include/libliveupdate.h @@ -29,6 +29,8 @@ int luo_get_session_name(int session_fd, char *name, size_t name_len); int luo_ensure_nofile_limit(long min_limit); int luo_session_preserve_fd(int session_fd, int fd, __u64 token); +int luo_session_preserve_fds(int session_fd, const int *fds, + const __u64 *tokens, __u32 nr, __u32 *failed_idx); int luo_session_retrieve_fd(int session_fd, __u64 token); int create_and_preserve_memfd(int session_fd, int token, const char *data); diff --git a/tools/testing/selftests/liveupdate/lib/lu_utils.c b/tools/testing/selftests/liveupdate/lib/lu_utils.c index 74d41115c281..1290f27ff004 100644 --- a/tools/testing/selftests/liveupdate/lib/lu_utils.c +++ b/tools/testing/selftests/liveupdate/lib/lu_utils.c @@ -93,6 +93,26 @@ int luo_session_preserve_fd(int session_fd, int fd, __u64 token) return 0; } +int luo_session_preserve_fds(int session_fd, const int *fds, + const __u64 *tokens, __u32 nr, __u32 *failed_idx) +{ + struct liveupdate_session_preserve_fds arg = { + .size = sizeof(arg), + .nr = nr, + .fds = (__u64)(uintptr_t)fds, + .tokens = (__u64)(uintptr_t)tokens, + }; + int ret = 0; + + if (ioctl(session_fd, LIVEUPDATE_SESSION_PRESERVE_FDS, &arg)) + ret = -errno; + + if (failed_idx) + *failed_idx = arg.out_failed_index; + + return ret; +} + int luo_session_retrieve_fd(int session_fd, __u64 token) { struct liveupdate_session_retrieve_fd arg = { -- 2.56.0.rc1.315.gc6ed9934b7-goog