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60 Commits

Author SHA1 Message Date
Antonio SJ Musumeci
766b923116 Fix thread pool destruction where threads don't explicitly exit themselves 2023-09-09 16:48:47 -05:00
Antonio SJ Musumeci
2377cb05b6 Add thread names for easier debugging 2023-08-14 17:51:41 -05:00
Antonio SJ Musumeci
0aafdefc18 Add ability to invalidate gid cache on demand 
SIGUSR2 or ioctl
 2023-08-13 23:30:52 -05:00
Antonio SJ Musumeci
6dcf6111af Add callbacks for newer functions 
* setupmapping
* removemapping
* syncfs
* tmpfile
 2023-08-13 17:38:13 -05:00
Antonio SJ Musumeci
51d97bb444 Move fuse thread args out of fuse session object 2023-07-30 22:52:43 -05:00
Antonio SJ Musumeci
22833bdfe2 Align msg buffer memory to allow O_DIRECT to work 2023-07-09 15:32:11 -05:00
Antonio SJ Musumeci
5ab0fbcaee Add manual GC triggering + configurable process queue depth 
Yes, these are unrelated changes but somehow ended up being
prototyped together and I'm too lazy to separate them.
 2023-06-26 22:44:23 -05:00
Antonio SJ Musumeci
6bc3d77992 Fix crash when exiting with open deleted files 2023-04-05 00:32:30 -04:00
Antonio SJ Musumeci
373d331f39 Rework fuse read to use same buffers as messages 2023-02-26 23:31:44 -05:00
Antonio SJ Musumeci
34310170ac Add ability to pin read and processing threads 2023-02-19 17:52:29 -05:00
Antonio SJ Musumeci
7ed91c1668 Backport bug fixes from libfuse3 2023-01-28 01:17:07 -05:00
Antonio SJ Musumeci
d11807ef7c Remove use_ino option and make behavior same as if set 2023-01-16 16:21:44 -05:00
Antonio SJ Musumeci
24423b8d2a Add async message processing 2023-01-16 13:15:53 -05:00
Antonio SJ Musumeci
a6ca96fa08 Fix printf for 32bit systems 2022-12-08 22:04:15 -05:00
Antonio SJ Musumeci
d14427ad9e Fix reading of setxattr name 2022-12-08 18:40:08 -05:00
Antonio SJ Musumeci
ddf5e53aa4 Misc cleanup 2022-11-27 22:23:38 -06:00
Antonio SJ Musumeci
7606430188 Remove libfuse abstraction in prep for adding request data 2022-11-26 23:30:27 -06:00
Antonio SJ Musumeci
9d056d609f Remove unnecessary libfuse abstractions 2022-11-07 23:09:25 -05:00
Antonio SJ Musumeci
14c2ff9ab8 Return ENOENT when dotdot for root node requested 2022-04-12 23:17:39 -04:00
Antonio SJ Musumeci
b95ff8ba3a Lock less often during logging 2022-03-20 22:34:55 -04:00
Antonio SJ Musumeci
3f060f4512 Change ENOENT to ESTALE for looking up paths to handle rename race conditions 
As done in https://github.com/libfuse/libfuse/pull/636
 2022-03-20 12:09:22 -04:00
Antonio SJ Musumeci
9ca10b2413 Rework node slab garbage collection to limit blocking work threads 
Also remove debug mode from forcing foreground mode
 2022-03-19 13:33:14 -04:00
Antonio SJ Musumeci
68b3026264 Remove embedded name in node struct 
The 32 byte array is below the average size so those 32 bytes are wasted a
large portion of the time.
 2021-11-01 21:08:58 -04:00
Antonio SJ Musumeci
18dead4d86 Add new debug printing routines 2021-10-27 22:12:10 -04:00
Antonio SJ Musumeci
5f737cb7bf Add option to log node memory usage metrics 2021-10-11 11:57:16 -04:00
Antonio SJ Musumeci
930dad31de Reduce struct node size 
* Replace the stat values with a crc32b of them instead (for auto-cache)
* Replace char flag with bitfield
* Remove node generation. nodeid is an unsigned 64bit int. Would take 500K+ years
  to rollover at 1M nodes per second.
 2021-10-03 22:15:34 -04:00
Antonio SJ Musumeci
8150957a01 Fix regression from remember_node refactor 2021-09-30 22:13:29 -04:00
Antonio SJ Musumeci
4ea0de3ef2 Rework dirents buffer management 2021-09-19 16:48:03 -04:00
Antonio SJ Musumeci
6b5c484fbf Major rework of memory allocation using fixed mem pools 2021-09-19 16:48:03 -04:00
Antonio SJ Musumeci
43a6d66e3c Major cleanup of libfuse to remove unneeded features 
* Remove request interrupt code. Required tracking of all requests unnecesssarily.
* Remove all debugging printing. Have plans to do full replacement.
* Remove deprecated functions.
* Remove unneeded error checking.
* Remove "userdata" which was unused.
* Remove allow_root feature.
 2021-08-29 00:05:30 -04:00
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
3900543970 fix segv: zero out data structures 2020-12-13 13:40:04 -05:00
Antonio SJ Musumeci
1b26f4908e general cleanup, slight memory reduction 2020-11-19 22:58:52 -05:00
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
f9b831eb1a libfuse cleanup: reindent 2020-08-07 16:38:24 -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
62899565e6 temporary fix for short readdirs on NFS 2020-07-08 14:10:53 -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
d119807adb restructure readdir, add readdir_plus 
Does not enable READDIR_AUTO. Might add in the future.
 2020-02-22 19:45:52 -05:00
Antonio SJ Musumeci
4b9f3de814 add ctime support 2020-02-10 18:39:15 -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
50ad648ce4 initialize mutex to fix lockup 2019-09-07 14:10:36 -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
2323c16316 add readdir caching 2019-05-23 22:11:33 -04:00
Antonio SJ Musumeci
61cded5b34 fix for unlink race condition 2019-05-21 22:57:02 -04:00
Antonio SJ Musumeci
3a66a68edb ensure marking open files renamed over as hidden 2019-05-19 23:25:46 -04:00