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-rw-r--r--config/kernel-proc-operations.m441
-rw-r--r--config/kernel.m42
-rw-r--r--include/os/linux/spl/sys/kstat.h8
-rw-r--r--module/os/linux/spl/spl-kstat.c14
-rw-r--r--module/os/linux/spl/spl-proc.c33
-rw-r--r--module/os/linux/spl/spl-procfs-list.c11
6 files changed, 97 insertions, 12 deletions
diff --git a/config/kernel-proc-operations.m4 b/config/kernel-proc-operations.m4
new file mode 100644
index 000000000..df216222e
--- /dev/null
+++ b/config/kernel-proc-operations.m4
@@ -0,0 +1,41 @@
+dnl #
+dnl # 5.6 API Change
+dnl # The proc_ops structure was introduced to replace the use of
+dnl # of the file_operations structure when registering proc handlers.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_SRC_PROC_OPERATIONS], [
+ ZFS_LINUX_TEST_SRC([proc_ops_struct], [
+ #include <linux/proc_fs.h>
+
+ int test_open(struct inode *ip, struct file *fp) { return 0; }
+ ssize_t test_read(struct file *fp, char __user *ptr,
+ size_t size, loff_t *offp) { return 0; }
+ ssize_t test_write(struct file *fp, const char __user *ptr,
+ size_t size, loff_t *offp) { return 0; }
+ loff_t test_lseek(struct file *fp, loff_t off, int flag)
+ { return 0; }
+ int test_release(struct inode *ip, struct file *fp)
+ { return 0; }
+
+ const struct proc_ops test_ops __attribute__ ((unused)) = {
+ .proc_open = test_open,
+ .proc_read = test_read,
+ .proc_write = test_write,
+ .proc_lseek = test_lseek,
+ .proc_release = test_release,
+ };
+ ], [
+ struct proc_dir_entry *entry __attribute__ ((unused)) =
+ proc_create_data("test", 0444, NULL, &test_ops, NULL);
+ ])
+])
+
+AC_DEFUN([ZFS_AC_KERNEL_PROC_OPERATIONS], [
+ AC_MSG_CHECKING([whether proc_ops structure exists])
+ ZFS_LINUX_TEST_RESULT([proc_ops_struct], [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_PROC_OPS_STRUCT, 1, [proc_ops structure exists])
+ ], [
+ AC_MSG_RESULT(no)
+ ])
+])
diff --git a/config/kernel.m4 b/config/kernel.m4
index ec8f6a5c1..23643e0c3 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -52,6 +52,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC_RW
ZFS_AC_KERNEL_SRC_TIMER_SETUP
ZFS_AC_KERNEL_SRC_SUPER_USER_NS
+ ZFS_AC_KERNEL_SRC_PROC_OPERATIONS
ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS
ZFS_AC_KERNEL_SRC_BIO
ZFS_AC_KERNEL_SRC_BLKDEV
@@ -145,6 +146,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL_RW
ZFS_AC_KERNEL_TIMER_SETUP
ZFS_AC_KERNEL_SUPER_USER_NS
+ ZFS_AC_KERNEL_PROC_OPERATIONS
ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS
ZFS_AC_KERNEL_BIO
ZFS_AC_KERNEL_BLKDEV
diff --git a/include/os/linux/spl/sys/kstat.h b/include/os/linux/spl/sys/kstat.h
index 3ce474248..c93c53171 100644
--- a/include/os/linux/spl/sys/kstat.h
+++ b/include/os/linux/spl/sys/kstat.h
@@ -152,6 +152,12 @@ typedef struct kstat_named_s {
#define KSTAT_NAMED_STR_PTR(knptr) ((knptr)->value.string.addr.ptr)
#define KSTAT_NAMED_STR_BUFLEN(knptr) ((knptr)->value.string.len)
+#ifdef HAVE_PROC_OPS_STRUCT
+typedef struct proc_ops kstat_proc_op_t;
+#else
+typedef struct file_operations kstat_proc_op_t;
+#endif
+
typedef struct kstat_intr {
uint_t intrs[KSTAT_NUM_INTRS];
} kstat_intr_t;
@@ -197,7 +203,7 @@ extern void kstat_proc_entry_init(kstat_proc_entry_t *kpep,
const char *module, const char *name);
extern void kstat_proc_entry_delete(kstat_proc_entry_t *kpep);
extern void kstat_proc_entry_install(kstat_proc_entry_t *kpep, mode_t mode,
- const struct file_operations *file_ops, void *data);
+ const kstat_proc_op_t *file_ops, void *data);
extern void __kstat_install(kstat_t *ksp);
extern void __kstat_delete(kstat_t *ksp);
diff --git a/module/os/linux/spl/spl-kstat.c b/module/os/linux/spl/spl-kstat.c
index 75565d082..b971b4498 100644
--- a/module/os/linux/spl/spl-kstat.c
+++ b/module/os/linux/spl/spl-kstat.c
@@ -507,12 +507,20 @@ proc_kstat_write(struct file *filp, const char __user *buf, size_t len,
return (len);
}
-static struct file_operations proc_kstat_operations = {
+static const kstat_proc_op_t proc_kstat_operations = {
+#ifdef HAVE_PROC_OPS_STRUCT
+ .proc_open = proc_kstat_open,
+ .proc_write = proc_kstat_write,
+ .proc_read = seq_read,
+ .proc_lseek = seq_lseek,
+ .proc_release = seq_release,
+#else
.open = proc_kstat_open,
.write = proc_kstat_write,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
+#endif
};
void
@@ -656,7 +664,7 @@ kstat_detect_collision(kstat_proc_entry_t *kpep)
*/
void
kstat_proc_entry_install(kstat_proc_entry_t *kpep, mode_t mode,
- const struct file_operations *file_ops, void *data)
+ const kstat_proc_op_t *proc_ops, void *data)
{
kstat_module_t *module;
kstat_proc_entry_t *tmp = NULL;
@@ -690,7 +698,7 @@ kstat_proc_entry_install(kstat_proc_entry_t *kpep, mode_t mode,
kpep->kpe_owner = module;
kpep->kpe_proc = proc_create_data(kpep->kpe_name, mode,
- module->ksm_proc, file_ops, data);
+ module->ksm_proc, proc_ops, data);
if (kpep->kpe_proc == NULL) {
list_del_init(&kpep->kpe_list);
if (list_empty(&module->ksm_kstat_list))
diff --git a/module/os/linux/spl/spl-proc.c b/module/os/linux/spl/spl-proc.c
index 45bc7f963..f68f9b522 100644
--- a/module/os/linux/spl/spl-proc.c
+++ b/module/os/linux/spl/spl-proc.c
@@ -532,11 +532,18 @@ proc_slab_open(struct inode *inode, struct file *filp)
return (seq_open(filp, &slab_seq_ops));
}
-static struct file_operations proc_slab_operations = {
- .open = proc_slab_open,
- .read = seq_read,
- .llseek = seq_lseek,
+static const kstat_proc_op_t proc_slab_operations = {
+#ifdef HAVE_PROC_OPS_STRUCT
+ .proc_open = proc_slab_open,
+ .proc_read = seq_read,
+ .proc_lseek = seq_lseek,
+ .proc_release = seq_release,
+#else
+ .open = proc_slab_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
.release = seq_release,
+#endif
};
static void
@@ -571,18 +578,32 @@ proc_taskq_open(struct inode *inode, struct file *filp)
return (seq_open(filp, &taskq_seq_ops));
}
-static struct file_operations proc_taskq_all_operations = {
+static const kstat_proc_op_t proc_taskq_all_operations = {
+#ifdef HAVE_PROC_OPS_STRUCT
+ .proc_open = proc_taskq_all_open,
+ .proc_read = seq_read,
+ .proc_lseek = seq_lseek,
+ .proc_release = seq_release,
+#else
.open = proc_taskq_all_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
+#endif
};
-static struct file_operations proc_taskq_operations = {
+static const kstat_proc_op_t proc_taskq_operations = {
+#ifdef HAVE_PROC_OPS_STRUCT
+ .proc_open = proc_taskq_open,
+ .proc_read = seq_read,
+ .proc_lseek = seq_lseek,
+ .proc_release = seq_release,
+#else
.open = proc_taskq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
+#endif
};
static struct ctl_table spl_kmem_table[] = {
diff --git a/module/os/linux/spl/spl-procfs-list.c b/module/os/linux/spl/spl-procfs-list.c
index f6a00da5c..189d6a7c6 100644
--- a/module/os/linux/spl/spl-procfs-list.c
+++ b/module/os/linux/spl/spl-procfs-list.c
@@ -185,13 +185,20 @@ procfs_list_write(struct file *filp, const char __user *buf, size_t len,
return (len);
}
-static struct file_operations procfs_list_operations = {
- .owner = THIS_MODULE,
+static const kstat_proc_op_t procfs_list_operations = {
+#ifdef HAVE_PROC_OPS_STRUCT
+ .proc_open = procfs_list_open,
+ .proc_write = procfs_list_write,
+ .proc_read = seq_read,
+ .proc_lseek = seq_lseek,
+ .proc_release = seq_release_private,
+#else
.open = procfs_list_open,
.write = procfs_list_write,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release_private,
+#endif
};
/*
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 13:27:37 +0000