aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorKonstantin Belousov <kib@FreeBSD.org>2024-01-19 21:54:03 +0000
committerKonstantin Belousov <kib@FreeBSD.org>2024-02-11 01:40:29 +0000
commite314d3d7aa65159291fad83ea95c867b473b0dca (patch)
tree4497743b4ef0048e3ade339a2121452e84765f6a
parent890d1f392a1ed6792f0f1563f601181e5b9935a7 (diff)
downloadsrc-e314d3d7aa65159291fad83ea95c867b473b0dca.tar.gz
src-e314d3d7aa65159291fad83ea95c867b473b0dca.zip
kcmp(2): implement for linuxkpi cdevs
(cherry picked from commit 41fb6dc3d4df632ffacf91b5631a718442d129d5)
-rw-r--r--sys/compat/linuxkpi/common/src/linux_compat.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/src/linux_compat.c b/sys/compat/linuxkpi/common/src/linux_compat.c
index df48674163aa..85fb072b9943 100644
--- a/sys/compat/linuxkpi/common/src/linux_compat.c
+++ b/sys/compat/linuxkpi/common/src/linux_compat.c
@@ -1900,6 +1900,19 @@ linux_iminor(struct inode *inode)
return (minor(ldev->dev));
}
+static int
+linux_file_kcmp(struct file *fp1, struct file *fp2, struct thread *td)
+{
+ struct linux_file *filp1, *filp2;
+
+ if (fp2->f_type != DTYPE_DEV)
+ return (3);
+
+ filp1 = fp1->f_data;
+ filp2 = fp2->f_data;
+ return (kcmp_cmp((uintptr_t)filp1->f_cdev, (uintptr_t)filp2->f_cdev));
+}
+
struct fileops linuxfileops = {
.fo_read = linux_file_read,
.fo_write = linux_file_write,
@@ -1914,6 +1927,7 @@ struct fileops linuxfileops = {
.fo_chmod = invfo_chmod,
.fo_chown = invfo_chown,
.fo_sendfile = invfo_sendfile,
+ .fo_cmp = linux_file_kcmp,
.fo_flags = DFLAG_PASSABLE,
};