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15 Commits
Author SHA1 Message Date
Sandy LuppinoandNick Craig-Wood 6eecd45bed cmd/mount2: fix NFS file creation by implementing Mknod 
The kernel NFS server creates regular files with MKNOD (it
creates-then-opens, so vfs_create routes through fuse_create -> FUSE_MKNOD
when there is no open intent), but mount2 only implemented Create
(FUSE_CREATE, used by local and SMB clients). Without Mknod every NFS file
creation failed with ENOTSUPP. This mirrors the cmd/mount mknod handler from
#2115.

Before: touch through an NFS-exported mount2 mount failed with ENOTSUPP.
After: files create normally.

Exercising this needs a kernel NFS server, so it isn't covered by the
local vfstest harness; validated against a real Linux nfs-kernel-server
export over NFSv3, NFSv4.0 and NFSv4.2.

#9547
 2026-07-01 16:37:54 +01:00
Janne Beate BakengGitHubNick Craig-Wood
 		00bd00d83d mount2: fix empty directory listings on re-read 
With cmd/mount2, reading a directory more than once returned the correct
entries on the first read but nothing on subsequent reads. Plain `ls`
triggers this: it does lseek(fd, 0, SEEK_SET) to rewind the directory
before a second getdents.

go-fuse v2.9.0 rewinds a directory stream by calling Seekdir on the
FileSeekdirer interface. dirStream did not implement it, so go-fuse
returned ENOTSUP and produced an empty listing on every read after the
first.

This implements Seekdir on dirStream: a rewind to offset 0 resets the
stream to the start, restoring correct listings on re-read. Non-zero
offsets are uncommon for in-memory listings and still return ENOTSUP,
matching go-fuse's own default. A compile-time interface assertion is
added so signature drift on future go-fuse updates is caught at build
time.

Before: second and subsequent reads of a directory returned no entries.
After: directories list correctly on every read.

See: https://github.com/hanwen/go-fuse/issues/549
Co-authored-by: Nick Craig-Wood <nick@craig-wood.com>
 2026-06-01 12:06:03 +01:00
Filipe AzevedoandNick Craig-Wood d629102fa6 mount2: introduce symlink support #2975 2024-12-13 12:43:20 +00:00
Filipe AzevedoandNick Craig-Wood 7f1240516e mount2: Fix missing . and .. entries 2024-12-13 12:43:20 +00:00
albertony 68bf6aa584 build: remove build constraint syntax for go 1.16 and older 2024-04-18 16:53:55 +02:00
Nick Craig-Wood a67688dcc7 mount,cmount,mount2: add --direct-io flag to force uncached access 
This change adds the --direct-io flag to the mount. This means the
page cache is completely bypassed for reads and writes. No read-ahead
takes place. Shared mmap is disabled.

This is useful to accurately read files which may change length
frequently on the source.
 2024-03-26 17:32:11 +00:00
Anagh Kumar BaranwalandNick Craig-Wood 2520c05c4b mount2: disable xattrs 
Signed-off-by: Anagh Kumar Baranwal <6824881+darthShadow@users.noreply.github.com>
 2023-04-30 17:56:47 +01:00
Anagh Kumar BaranwalandNick Craig-Wood f7f5e87632 mount2: fixed statfs 
Signed-off-by: Anagh Kumar Baranwal <6824881+darthShadow@users.noreply.github.com>
 2023-04-30 17:56:47 +01:00
Ivan Andreev 24de896df2 build: apply gofmt from golang 1.17 2021-09-09 20:43:59 +03:00
Josh SorefandNick Craig-Wood e4a87f772f docs: spelling: e.g. 
Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>
 2020-10-28 18:16:23 +00:00
Josh SorefandNick Craig-Wood d0888edc0a Spelling fixes 
Fix spelling of: above, already, anonymous, associated,
authentication, bandwidth, because, between, blocks, calculate,
candidates, cautious, changelog, cleaner, clipboard, command,
completely, concurrently, considered, constructs, corrupt, current,
daemon, dependencies, deprecated, directory, dispatcher, download,
eligible, ellipsis, encrypter, endpoint, entrieslist, essentially,
existing writers, existing, expires, filesystem, flushing, frequently,
hierarchy, however, implementation, implements, inaccurate,
individually, insensitive, longer, maximum, metadata, modified,
multipart, namedirfirst, nextcloud, obscured, opened, optional,
owncloud, pacific, passphrase, password, permanently, persimmon,
positive, potato, protocol, quota, receiving, recommends, referring,
requires, revisited, satisfied, satisfies, satisfy, semver,
serialized, session, storage, strategies, stringlist, successful,
supported, surprise, temporarily, temporary, transactions, unneeded,
update, uploads, wrapped

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>
 2020-10-14 15:21:31 +01:00
Nick Craig-Wood 0272a7f405 mount: change interface of mount commands to take mount options 
This is in preparation of being able to pass mount options to the rc
command "mount/mount"
 2020-07-24 10:48:51 +01:00
Nick Craig-Wood 6ca7198f57 mount: fix disappearing cwd problem - fixes #4104 
Before this change, the current working directory could disappear
according to the Linux kernel.

This was caused by mount returning different nodes with the same
information in.

This change uses vfs.Node.SetSys to cache the information so we always
return the same node.
 2020-05-04 11:38:07 +01:00
Nick Craig-Wood 2b268f9724 build: fixup formatting after go1.14 go fmt changes 2020-02-28 16:58:33 +00:00
Nick Craig-Wood 8318020387 Implement mount2 with go-fuse 
This passes the tests and works efficiently with the non sequential vfs ReadAt fix.
 2020-02-11 14:28:13 +00:00