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f14348575d
This marks the first step in cleanly separating the transport layer from the filesystem layer. Add "dev.h", which will contain the interface definition for the transport layer. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* linux/fs/fuse/fuse_sysctl.c
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*
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* Sysctl interface to fuse parameters
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*/
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#include <linux/sysctl.h>
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#include "sysctl.h"
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#include "fuse_i.h"
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static struct ctl_table_header *fuse_table_header;
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/* Bound by fuse_init_out max_pages, which is a u16 */
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static unsigned int sysctl_fuse_max_pages_limit = 65535;
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/*
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* fuse_init_out request timeouts are u16.
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* This goes up to ~18 hours, which is plenty for a timeout.
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*/
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static unsigned int sysctl_fuse_req_timeout_limit = 65535;
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static const struct ctl_table fuse_sysctl_table[] = {
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{
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.procname = "max_pages_limit",
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.data = &fuse_max_pages_limit,
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.maxlen = sizeof(fuse_max_pages_limit),
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.mode = 0644,
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.proc_handler = proc_douintvec_minmax,
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.extra1 = SYSCTL_ONE,
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.extra2 = &sysctl_fuse_max_pages_limit,
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},
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{
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.procname = "default_request_timeout",
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.data = &fuse_default_req_timeout,
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.maxlen = sizeof(fuse_default_req_timeout),
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.mode = 0644,
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.proc_handler = proc_douintvec_minmax,
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.extra1 = SYSCTL_ZERO,
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.extra2 = &sysctl_fuse_req_timeout_limit,
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},
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{
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.procname = "max_request_timeout",
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.data = &fuse_max_req_timeout,
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.maxlen = sizeof(fuse_max_req_timeout),
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.mode = 0644,
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.proc_handler = proc_douintvec_minmax,
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.extra1 = SYSCTL_ZERO,
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.extra2 = &sysctl_fuse_req_timeout_limit,
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},
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};
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int fuse_sysctl_register(void)
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{
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fuse_table_header = register_sysctl("fs/fuse", fuse_sysctl_table);
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if (!fuse_table_header)
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return -ENOMEM;
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return 0;
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}
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void fuse_sysctl_unregister(void)
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{
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unregister_sysctl_table(fuse_table_header);
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fuse_table_header = NULL;
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}
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