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libfuse / sshfs

A network filesystem client to connect to SSH servers
GNU General Public License v2.0
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QT Creator fails to save file #271

Closed nvpavatar closed 3 years ago

nvpavatar commented 3 years ago

I have mounted remote directory with SSHFS on Mac running latest Mac OS Moterey macOS 12.0.1 (21A559). I can edit and save files on the mounted directory using vi editor, I can also open files in Qt Creator 5.0.2 (Based on Qt 5.15.2 (Clang 11.0 (Apple), 64 bit)), but I am getting following error when I try to save file:

"Error while saving file: Cannot write file /Users/client_username/dbm/1.txt: Function not implemented"

I already tried "-o allow_other", and all "workaround=", but no success.

Any help is appreciated, Thanks

NVP-Mac:~ $ sshfs -o debug,sshfs_debug -o allow_other,workaround=all -o volname=dbm,reconnect serverusername@dbm.xxxxxxx.com:/usr/home/serverusername /Users/clientusername/dbm SSHFS version 2.5 FUSE library version: 2.9.9 nullpath_ok: 0 nopath: 0 utime_omit_ok: 0 executing <-X> <-a> <-oClearAllForwardings=yes> <-2> serverusername@dbm.xxxxxxx.com <-s> Server version: 3 Extension: posix-rename@openssh.com <1> Extension: statvfs@openssh.com <2> Extension: fstatvfs@openssh.com <2> Extension: hardlink@openssh.com <1> unique: 2, opcode: INIT (26), nodeid: 0, insize: 56, pid: 4961 INIT: 7.19 flags=0xee000008 max_readahead=0x00100000 remote_uid = 1019 INIT: 7.19 flags=0x00000010 max_readahead=0x00100000 max_write=0x02000000 max_background=0 congestion_threshold=0 unique: 2, success, outsize: 40 unique: 3, opcode: STATFS (17), nodeid: 1, insize: 40, pid: 4961 statfs / unique: 2, opcode: STATFS (17), nodeid: 1, insize: 40, pid: 0 [00002] EXTENDED statfs / [00003] EXTENDED [00002] EXTENDED_REPLY 97bytes (49ms) unique: 3, success, outsize: 96 [00003] EXTENDED_REPLY 97bytes (49ms) unique: 2, success, outsize: 96 unique: 3, opcode: STATFS (17), nodeid: 1, insize: 40, pid: 112 statfs / [00004] EXTENDED unique: 2, opcode: STATFS (17), nodeid: 1, insize: 40, pid: 159 statfs / [00005] EXTENDED [00004] EXTENDED_REPLY 97bytes (22ms) [00005] EXTENDED_REPLY 97bytes (22ms) unique: 3, success, outsize: 96 unique: 2, success, outsize: 96 unique: 3, opcode: STATFS (17), nodeid: 1, insize: 40, pid: 159 statfs / [00006] EXTENDED unique: 2, opcode: ACCESS (34), nodeid: 1, insize: 48, pid: 109 access / 00 unique: 2, error: -78 (Function not implemented), outsize: 16 unique: 2, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 109 getattr / [00007] LSTAT [00006] EXTENDED_REPLY 97bytes (48ms) [00007] ATTRS 41bytes (47ms) unique: 3, success, outsize: 96 unique: 2, success, outsize: 136 unique: 3, opcode: STATFS (17), nodeid: 1, insize: 40, pid: 159 statfs / [00008] EXTENDED [00008] EXTENDED_REPLY 97bytes (21ms) unique: 3, success, outsize: 96 unique: 2, opcode: STATFS (17), nodeid: 1, insize: 40, pid: 897 statfs / ....... LOOKUP /1.txt getattr /1.txt [00062] LSTAT [00062] ATTRS 41bytes (41ms) NODEID: 3 unique: 18, success, outsize: 160 unique: 17, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 109 getattr / unique: 17, success, outsize: 136 ....... ......When I try to save file....... ....... unique: 6, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 4899 getattr / [00074] LSTAT [00074] ATTRS 41bytes (21ms) unique: 6, success, outsize: 136 unique: 8, opcode: GETATTR (3), nodeid: 3, insize: 56, pid: 4899 getattr /1.txt [00075] LSTAT [00075] ATTRS 41bytes (41ms) unique: 8, success, outsize: 136 unique: 5, opcode: GETXATTR (22), nodeid: 3, insize: 77, pid: 4899 getxattr /1.txt com.apple.FinderInfo 32 0 unique: 5, error: -45 (Operation not supported), outsize: 16 unique: 4, opcode: LOOKUP (1), nodeid: 1, insize: 48, pid: 4899 LOOKUP /._1.txt getattr /._1.txt [00076] LSTAT [00076] STATUS 33bytes (19ms) unique: 4, error: -2 (No such file or directory), outsize: 16 unique: 7, opcode: GETXATTR (22), nodeid: 3, insize: 79, pid: 4899 getxattr /1.txt com.apple.ResourceFork 0 0 unique: 7, error: -45 (Operation not supported), outsize: 16 unique: 2, opcode: LOOKUP (1), nodeid: 1, insize: 48, pid: 4899 LOOKUP /._1.txt getattr /._1.txt [00077] LSTAT [00077] STATUS 33bytes (20ms) unique: 2, error: -2 (No such file or directory), outsize: 16 unique: 9, opcode: GETATTR (3), nodeid: 3, insize: 56, pid: 4899 getattr /1.txt unique: 9, success, outsize: 136 unique: 3, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 4899 getattr / unique: 3, success, outsize: 136 unique: 13, opcode: STATFS (17), nodeid: 1, insize: 40, pid: 4899 statfs / [00078] EXTENDED [00078] EXTENDED_REPLY 97bytes (46ms) unique: 13, success, outsize: 96 unique: 10, opcode: STATFS (17), nodeid: 1, insize: 40, pid: 4899 statfs / [00079] EXTENDED

Nikratio commented 3 years ago

Thanks for the report! It looks like QT Creator depends on extended attributes, which are not supported by SSHFS:

unique: 7, opcode: GETXATTR (22), nodeid: 3, insize: 79, pid: 4899 
getxattr /1.txt com.apple.ResourceFork 0 0
unique: 7, error: -45 (Operation not supported), outsize: 16

Patches welcome (but I'm not sure to what extend SFTP supports these at all).