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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566// SPDX-License-Identifier: GPL-2.0/* * linux/fs/fuse/fuse_sysctl.c * * Sysctl interface to fuse parameters */#include <linux/sysctl.h>
#include "sysctl.h"#include "fuse_i.h"
static struct ctl_table_header *fuse_table_header;
/* Bound by fuse_init_out max_pages, which is a u16 */static unsigned int sysctl_fuse_max_pages_limit = 65535;
/* * fuse_init_out request timeouts are u16. * This goes up to ~18 hours, which is plenty for a timeout. */static unsigned int sysctl_fuse_req_timeout_limit = 65535;
static const struct ctl_table fuse_sysctl_table[] = { { .procname = "max_pages_limit", .data = &fuse_max_pages_limit, .maxlen = sizeof(fuse_max_pages_limit), .mode = 0644, .proc_handler = proc_douintvec_minmax, .extra1 = SYSCTL_ONE, .extra2 = &sysctl_fuse_max_pages_limit, }, { .procname = "default_request_timeout", .data = &fuse_default_req_timeout, .maxlen = sizeof(fuse_default_req_timeout), .mode = 0644, .proc_handler = proc_douintvec_minmax, .extra1 = SYSCTL_ZERO, .extra2 = &sysctl_fuse_req_timeout_limit, }, { .procname = "max_request_timeout", .data = &fuse_max_req_timeout, .maxlen = sizeof(fuse_max_req_timeout), .mode = 0644, .proc_handler = proc_douintvec_minmax, .extra1 = SYSCTL_ZERO, .extra2 = &sysctl_fuse_req_timeout_limit, },};
int fuse_sysctl_register(void){ fuse_table_header = register_sysctl("fs/fuse", fuse_sysctl_table); if (!fuse_table_header) return -ENOMEM; return 0;}
void fuse_sysctl_unregister(void){ unregister_sysctl_table(fuse_table_header); fuse_table_header = NULL;}