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Linux 5.6 compat: struct proc_ops

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The proc_ops structure was introduced to replace the use of of the
file_operations structure when registering proc handlers.  This
change creates a new kstat_proc_op_t typedef for compatibility
which can be used to pass around the correct structure.

This change additionally adds the 'const' keyword to all of the
existing proc operations structures.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9961
This commit is contained in:
Brian Behlendorf
2020-02-06 10:30:41 -08:00
committed by Tony Hutter
parent 06b473a8ae
commit 6e8c4dc460
6 changed files with 97 additions and 12 deletions
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include/spl/sys/kstat.h
+7 -1
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@@ -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);