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37 Commits

Author SHA1 Message Date
Antonio SJ Musumeci
8adebc9489 new features: follow-symlinks, rename-exdev, link-exdev 
* follow-symlinks: allows mergerfs to transparently follow symlinks
* link-exdev: in the event a link returns EXDEV create a symlink instead
* rename-exdev: in the event a rename returns EXDEV move the oldpath and
  create a symlink for the newpath
 2021-02-11 23:24:08 -05:00
Antonio SJ Musumeci
1b26f4908e general cleanup, slight memory reduction 2020-11-19 22:58:52 -05:00
Antonio SJ Musumeci
a925fbe59c libfuse cleanup: extern cplusplus cleanup 2020-08-08 14:25:44 -04:00
Antonio SJ Musumeci
dc1b698847 libfuse cleanup: remove single threaded 2020-08-07 16:38:24 -04:00
Antonio SJ Musumeci
3c761b708b libfuse cleanup: remove libfuse API compatibility 2020-08-07 16:38:24 -04:00
Antonio SJ Musumeci
3bfdd78434 libfuse cleanup: remove cuse 2020-08-07 16:38:24 -04:00
Antonio SJ Musumeci
f9b831eb1a libfuse cleanup: reindent 2020-08-07 16:38:24 -04:00
Antonio SJ Musumeci
5989d41a86 readdir: use getdents64 for compatibility with ARM64 2020-08-02 18:43:09 -04:00
Antonio SJ Musumeci
c4a85f5fad readdir: add dirent index array 
This removes the risk of corrupted data being sent back to the kernel
should it use the offset from one opendir-readdir in another. In this case
it would at most skip dirents.

According to the standards the offset is only valid when used within
the opendir -> releasedir but NFS uses offsets across independent
calls.
 2020-07-12 12:43:33 -04:00
Antonio SJ Musumeci
c0990644e8 remove unnecessary libfuse flags nopath, nullpath_ok, and utime_omit_ok 2020-07-08 19:25:23 -04:00
Antonio SJ Musumeci
dbdd3e22fc additional readdir refactor cleanup 
Differences between readdir and getdents is minimal at best. Leaving code
for now to allow for possible expansion later.
 2020-06-27 23:17:21 -04:00
Antonio SJ Musumeci
54c41c4994 rework config management 
* Add standard way to do str2val and val2str conversion
* Add support for a config file
* Add support for reading and writing settings via ioctl
 2020-06-18 18:54:25 -04:00
Antonio SJ Musumeci
698c4147fc fix getdent name length calculation 2020-03-12 23:45:20 -04:00
Antonio SJ Musumeci
62873d2d3b use getdents64 on linux 2020-02-28 20:34:12 -05:00
Antonio SJ Musumeci
d119807adb restructure readdir, add readdir_plus 
Does not enable READDIR_AUTO. Might add in the future.
 2020-02-22 19:45:52 -05:00
trapexit
4cb866cee9
Merge pull request #707 from trapexit/writeback-cache 
add writeback caching
 2020-02-10 19:22:44 -05:00
Antonio SJ Musumeci
bf4b39065b update fuse_kernel.h 2020-02-10 18:54:07 -05:00
Antonio SJ Musumeci
4b9f3de814 add ctime support 2020-02-10 18:39:15 -05:00
Antonio SJ Musumeci
903d39f968 add writeback caching 2020-02-09 21:08:53 -05:00
Antonio SJ Musumeci
08e1bef5a9 improve nodeid generation 
* Change fuse_ino_t to uint64_t
* Change id generation to 64bit
* Randomize generation value (should help with NFS)
 2019-09-30 23:28:45 -04:00
Antonio SJ Musumeci
7cbd88ac81 allow setting of 'max_pages' (via 'fuse_msg_size') 
Linux 4.20 and above allow setting the number of pages per FUSE message
upto 256 (4K * 256 = 1MiB). This can greatly increase read and write
speeds depending on the workload.
 2019-06-03 21:01:19 -04:00
Antonio SJ Musumeci
8cb7195c3e add copy_file_range support 2019-06-03 07:12:05 -04:00
Antonio SJ Musumeci
529a953e30 add file caching across opens and runtime control 2019-05-30 00:10:08 -04:00
Antonio SJ Musumeci
ddf6a2f105 make async_read optional again 2019-05-28 15:57:50 -04:00
Antonio SJ Musumeci
2323c16316 add readdir caching 2019-05-23 22:11:33 -04:00
Antonio SJ Musumeci
1baa706d37 add symlink caching 2019-05-22 19:25:38 -04:00
Antonio SJ Musumeci
61cded5b34 fix for unlink race condition 2019-05-21 22:57:02 -04:00
Antonio SJ Musumeci
5f2221155c ensure parallel dirops is enabled if capable 2019-05-20 00:36:42 -04:00
Antonio SJ Musumeci
2b019b84b0 ensure async_aio is enabled if capable 2019-05-20 00:18:56 -04:00
Antonio SJ Musumeci
80d56ac94e add support for POSIX ACLs 2019-05-19 18:17:55 -04:00
Antonio SJ Musumeci
6ecc618d83 remove .fuse_hidden file creation 
addresses #521

mergerfs is written using libfuse's high level API. The HLAPI forces a certain
behavior with regard to unlinking or rename overwriting of open files. It
renames the file to .fuse_hiddenXXXXXX and when incoming requests refer
to the unlinked file it will use path based calls and use that path.

This behavior leads to rmdirs failing or some software noticing
the .fuse_hidden files.

This patch changes the HLAPI and removes entirely the .fuse_hidden behavior.

See the README for more.
 2019-04-13 21:41:51 -04:00
Antonio SJ Musumeci
b69819e4b2 ioctl: don't set outbufsz when not needed 2019-03-20 10:18:55 -04:00
Antonio SJ Musumeci
0918dfd117 make attr, entry, negative_entry cache timeouts runtime configurable 2019-02-23 01:03:20 -05:00
Antonio SJ Musumeci
7bf607bb6b fix FS_IOC_{GET,SET}{FLAGS,VERSION} ioctl calls 2019-02-17 11:48:19 -05:00
Antonio SJ Musumeci
940c323251 misc fixes for FreeBSD 2019-02-06 23:20:28 -05:00
Antonio SJ Musumeci
75ed37a11a add setting of thread pool size 2017-07-02 23:50:39 -04:00
Antonio SJ Musumeci
de0985c135 add libfuse 2.9.7 to repo and build against libfuse.a 2017-06-02 11:25:25 -04:00