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Rework config, centralize fuse config (#1547)
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trapexit 2025-10-24 08:20:29 -05:00 • committed by GitHub
parent 00e5467e99
commit 727c522fb8
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46 changed files with 1294 additions and 1316 deletions
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31
libfuse/lib/fuse_msgbuf.cpp
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@ -16,6 +16,7 @@
*/
#include "fuse_msgbuf.hpp"
#include "fuse.h"
#include "fuse_kernel.h"
@ -42,22 +43,34 @@ msgbuf_get_bufsize()
return g_BUFSIZE;
}
u32
msgbuf_get_pagesize()
{
return g_PAGESIZE;
}
// +1 page so that it is used for the "header" of the allocation as
// well as to allow for offseting for write requests to be page
// aligned. +1 again for fuse header as the max_pages value is for the
// body.
void
msgbuf_set_bufsize(const uint32_t size_in_pages_)
{
g_BUFSIZE = ((size_in_pages_ + 1) * g_PAGESIZE);
g_BUFSIZE = ((size_in_pages_ + 2) * g_PAGESIZE);
}
static
void
msgbuf_page_align(fuse_msgbuf_t *msgbuf_)
_msgbuf_page_align(fuse_msgbuf_t *msgbuf_)
{
msgbuf_->mem = (char*)msgbuf_;
msgbuf_->mem += g_PAGESIZE;
msgbuf_->size = (g_BUFSIZE - g_PAGESIZE);
}
static
void
msgbuf_write_align(fuse_msgbuf_t *msgbuf_)
_msgbuf_write_align(fuse_msgbuf_t *msgbuf_)
{
msgbuf_->mem = (char*)msgbuf_;
msgbuf_->mem += g_PAGESIZE;
@ -72,8 +85,8 @@ void
_msgbuf_constructor()
{
g_PAGESIZE = sysconf(_SC_PAGESIZE);
// FUSE_MAX_MAX_PAGES for payload + 1 for message header
msgbuf_set_bufsize(FUSE_DEFAULT_MAX_MAX_PAGES + 1);
msgbuf_set_bufsize(FUSE_DEFAULT_MAX_MAX_PAGES);
}
static
@ -86,7 +99,7 @@ _msgbuf_destructor()
static
void*
page_aligned_malloc(const uint64_t size_)
_page_aligned_malloc(const uint64_t size_)
{
int rv;
void *buf = NULL;
@ -111,7 +124,7 @@ _msgbuf_alloc(msgbuf_setup_func_t setup_func_)
{
g_MUTEX.unlock();
msgbuf = (fuse_msgbuf_t*)page_aligned_malloc(g_BUFSIZE);
msgbuf = (fuse_msgbuf_t*)_page_aligned_malloc(g_BUFSIZE);
if(msgbuf == NULL)
return NULL;
@ -135,13 +148,13 @@ _msgbuf_alloc(msgbuf_setup_func_t setup_func_)
fuse_msgbuf_t*
msgbuf_alloc()
{
return _msgbuf_alloc(msgbuf_write_align);
return _msgbuf_alloc(_msgbuf_write_align);
}
fuse_msgbuf_t*
msgbuf_alloc_page_aligned()
{
return _msgbuf_alloc(msgbuf_page_align);
return _msgbuf_alloc(_msgbuf_page_align);
}
static