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mdbx: отключение использования copy_file_range() для ядер linux 5.3-5.18 включительно.

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Леонид Юрьев (Leonid Yuriev) 2025-04-07 05:28:16 +03:00
parent 56a6377622
commit 8d0eceee9f
1 changed files with 10 additions and 4 deletions
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14
src/api-copy.c
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@ -571,11 +571,17 @@ retry_snap_meta:
uint8_t *const data_buffer = buffer + ceil_powerof2(meta_bytes, globals.sys_pagesize);
#if MDBX_USE_COPYFILERANGE
static bool copyfilerange_unavailable;
#if (defined(__linux__) || defined(__gnu_linux__))
if (globals.linux_kernel_version >= 0x05030000 && globals.linux_kernel_version < 0x05130000)
copyfilerange_unavailable = true;
#endif /* linux */
bool not_the_same_filesystem = false;
struct statfs statfs_info;
if (fstatfs(fd, &statfs_info) || statfs_info.f_type == /* ECRYPTFS_SUPER_MAGIC */ 0xf15f)
/* avoid use copyfilerange_unavailable() to ecryptfs due bugs */
not_the_same_filesystem = true;
if (!copyfilerange_unavailable) {
struct statfs statfs_info;
if (fstatfs(fd, &statfs_info) || statfs_info.f_type == /* ECRYPTFS_SUPER_MAGIC */ 0xf15f)
/* avoid use copyfilerange_unavailable() to ecryptfs due bugs */
not_the_same_filesystem = true;
}
#endif /* MDBX_USE_COPYFILERANGE */
for (size_t offset = meta_bytes; rc == MDBX_SUCCESS && offset < used_size;) {