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| | /*
* Copyright (C) 2012-2020 all contributors <cmogstored-public@yhbt.net>
* License: GPL-3.0+ <https://www.gnu.org/licenses/gpl-3.0.txt>
*/
#if defined(HAVE_POSIX_FADVISE)
static inline void mog_fadv_sequential(int fd, off_t offset, off_t len)
{
int rc = posix_fadvise(fd, offset, len, POSIX_FADV_SEQUENTIAL);
if (rc == 0) return;
assert(errno != EBADF && errno != ESPIPE &&
"BUG: posix_fadvise(POSIX_FADV_SEQUENTIAL) failed");
}
static inline void mog_fadv_noreuse(int fd, off_t offset, off_t len)
{
int rc = posix_fadvise(fd, offset, len, POSIX_FADV_NOREUSE);
if (rc == 0) return;
assert(errno != EBADF && errno != ESPIPE &&
"BUG: posix_fadvise(POSIX_FADV_NOREUSE) failed");
}
#else
static inline void mog_fadv_sequential(int fd, off_t offset, off_t len)
{
}
static inline void mog_fadv_noreuse(int fd, off_t offset, off_t len)
{
}
#endif
|