mirror of https://github.com/trapexit/mergerfs.git
Antonio SJ Musumeci
9 years ago
6 changed files with 154 additions and 41 deletions
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20src/fallocate.cpp
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30src/fs_clonefile.cpp
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44src/fs_fallocate.cpp
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29src/fs_fallocate.hpp
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40src/fs_sendfile.cpp
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28src/fs_sendfile.hpp
@ -0,0 +1,44 @@ |
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/*
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Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link> |
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Permission to use, copy, modify, and/or distribute this software for any |
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purpose with or without fee is hereby granted, provided that the above |
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copyright notice and this permission notice appear in all copies. |
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <errno.h>
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#include <fcntl.h>
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#include "fs_fallocate.hpp"
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namespace fs |
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{ |
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int |
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fallocate(const int fd, |
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const int mode, |
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const off_t offset, |
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const off_t len) |
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{ |
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int rv; |
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#ifdef __linux__
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rv = ::fallocate(fd,mode,offset,len); |
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#elif _XOPEN_SOURCE >= 600 || _POSIX_C_SOURCE >= 200112L
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rv = (mode ? |
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(errno=EOPNOTSUPP,-1) : |
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(::posix_fallocate(fd,offset,len))); |
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#else
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rv = (errno=EOPNOTSUPP,-1); |
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#endif
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return rv; |
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} |
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} |
@ -0,0 +1,29 @@ |
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/*
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Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link> |
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|
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Permission to use, copy, modify, and/or distribute this software for any |
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purpose with or without fee is hereby granted, provided that the above |
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copyright notice and this permission notice appear in all copies. |
|||
|
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
|||
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
|||
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
|||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#ifndef __FS_FALLOCATE_HPP__
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#define __FS_FALLOCATE_HPP__
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namespace fs |
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{ |
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int |
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fallocate(const int fd, |
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const int mode, |
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const off_t offset, |
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const off_t len); |
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} |
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#endif // __FS_FALLOCATE_HPP__
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@ -0,0 +1,40 @@ |
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/*
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Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link> |
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|
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Permission to use, copy, modify, and/or distribute this software for any |
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purpose with or without fee is hereby granted, provided that the above |
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copyright notice and this permission notice appear in all copies. |
|||
|
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <errno.h>
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#if defined __linux__
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#include <sys/sendfile.h>
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#endif
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#include "fs_sendfile.hpp"
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namespace fs |
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{ |
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ssize_t |
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sendfile(const int fdin, |
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const int fdout, |
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const size_t count) |
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{ |
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#if defined __linux__
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off_t offset = 0; |
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return ::sendfile(fdout,fdin,&offset,count); |
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#else
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return (errno=EINVAL,-1); |
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#endif
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} |
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} |
@ -0,0 +1,28 @@ |
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/*
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Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link> |
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|
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Permission to use, copy, modify, and/or distribute this software for any |
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purpose with or without fee is hereby granted, provided that the above |
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copyright notice and this permission notice appear in all copies. |
|||
|
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
|||
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#ifndef __FS_SENDFILE_HPP__
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#define __FS_SENDFILE_HPP__
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namespace fs |
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{ |
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ssize_t |
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sendfile(const int fdin, |
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const int fdout, |
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const size_t count); |
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} |
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#endif // __FS_SENDFILE_HPP__
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