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authorнаб <[email protected]>2022-01-15 00:37:55 +0100
committerGitHub <[email protected]>2022-01-14 15:37:55 -0800
commit18168da727427e28914235137daebe06c23069cd (patch)
tree71a8769a2a12dd4add4f7abfb5a1e4f51f09cf18 /module/os/linux/zfs/zvol_os.c
parent7adc19009817303af10c8b3b7617850994cfb9e2 (diff)
module/*.ko: prune .data, global .rodata
Evaluated every variable that lives in .data (and globals in .rodata) in the kernel modules, and constified/eliminated/localised them appropriately. This means that all read-only data is now actually read-only data, and, if possible, at file scope. A lot of previously- global-symbols became inlinable (and inlined!) constants. Probably not in a big Wowee Performance Moment, but hey. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ahelenia Ziemiańska <[email protected]> Closes #12899
Diffstat (limited to 'module/os/linux/zfs/zvol_os.c')
-rw-r--r--module/os/linux/zfs/zvol_os.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/module/os/linux/zfs/zvol_os.c b/module/os/linux/zfs/zvol_os.c
index 69479b3f7..cef52e224 100644
--- a/module/os/linux/zfs/zvol_os.c
+++ b/module/os/linux/zfs/zvol_os.c
@@ -41,12 +41,12 @@
#include <linux/blkdev_compat.h>
#include <linux/task_io_accounting_ops.h>
-unsigned int zvol_major = ZVOL_MAJOR;
-unsigned int zvol_request_sync = 0;
-unsigned int zvol_prefetch_bytes = (128 * 1024);
-unsigned long zvol_max_discard_blocks = 16384;
-unsigned int zvol_threads = 32;
-unsigned int zvol_open_timeout_ms = 1000;
+static unsigned int zvol_major = ZVOL_MAJOR;
+static unsigned int zvol_request_sync = 0;
+static unsigned int zvol_prefetch_bytes = (128 * 1024);
+static unsigned long zvol_max_discard_blocks = 16384;
+static unsigned int zvol_threads = 32;
+static const unsigned int zvol_open_timeout_ms = 1000;
struct zvol_state_os {
struct gendisk *zvo_disk; /* generic disk */
@@ -802,7 +802,7 @@ zvol_getgeo(struct block_device *bdev, struct hd_geometry *geo)
return (0);
}
-static struct block_device_operations zvol_ops = {
+static const struct block_device_operations zvol_ops = {
.open = zvol_open,
.release = zvol_release,
.ioctl = zvol_ioctl,