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fadvise cleanup

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This commit is contained in:
Antonio SJ Musumeci 2017-04-11 09:02:05 -04:00
parent e3e764ecae
commit 1a1fa06aa3
4 changed files with 46 additions and 4 deletions
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27
src/fs_base_fadvise.cpp
View File

@ -21,3 +21,30 @@
#else
# include "fs_base_fadvise_unsupported.icpp"
#endif
namespace fs
{
int
fadvise_dontneed(const int fd,
const off_t offset,
const off_t len)
{
return fs::fadvise(fd,offset,len,POSIX_FADV_DONTNEED);
}
int
fadvise_willneed(const int fd,
const off_t offset,
const off_t len)
{
return fs::fadvise(fd,offset,len,POSIX_FADV_WILLNEED);
}
int
fadvise_sequential(const int fd,
const off_t offset,
const off_t len)
{
return fs::fadvise(fd,offset,len,POSIX_FADV_SEQUENTIAL);
}
}

15
src/fs_base_fadvise.hpp
View File

@ -48,6 +48,21 @@ namespace fs
const off_t offset,
const off_t len,
const int advice);
int
fadvise_dontneed(const int fd,
const off_t offset = 0,
const off_t len = 0);
int
fadvise_willneed(const int fd,
const off_t offset = 0,
const off_t len = 0);
int
fadvise_sequential(const int fd,
const off_t offset = 0,
const off_t len = 0);
}
#endif // __FS_FADVISE_HPP__

4
src/fs_clonefile.cpp
View File

@ -122,8 +122,8 @@ copydata(const int fdin,
{
int rv;
fs::fadvise(fdin,0,count,POSIX_FADV_WILLNEED);
fs::fadvise(fdin,0,count,POSIX_FADV_SEQUENTIAL);
fs::fadvise_willneed(fdin,0,count);
fs::fadvise_sequential(fdin,0,count);
fs::fallocate(fdout,0,0,count);

4
src/release.cpp
View File

@ -33,8 +33,8 @@ _release(FileInfo *fi,
// https://github.com/Feh/nocache
if(dropcacheonclose)
{
fs::fadvise(fi->fd,0,0,POSIX_FADV_DONTNEED);
fs::fadvise(fi->fd,0,0,POSIX_FADV_DONTNEED);
fs::fadvise_dontneed(fi->fd);
fs::fadvise_dontneed(fi->fd);
}
fs::close(fi->fd);