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c81e7219e0
With a valid file ID (FID) of an open file, it should be possible to send
a 'Tgettattr' 9p request and successfully receive a 'Rgetattr' response,
even if the file has been removed in the meantime. Currently this would
fail with ENOENT.
I.e. this fixes the following misbehaviour with a 9p Linux client:
open("/home/tst/filename", O_RDWR|O_CREAT|O_EXCL, 0600) = 3
unlink("/home/tst/filename") = 0
fstat(3, 0x23aa1a8) = -1 ENOENT (No such file or directory)
Expected results:
open("/home/tst/filename", O_RDWR|O_CREAT|O_EXCL, 0600) = 3
unlink("/home/tst/filename") = 0
fstat(3, {st_mode=S_IFREG|0600, st_size=0, ...}) = 0
This is because 9p server is always using a path name based lstat() call
which fails as soon as the file got removed. So to fix this, use fstat()
whenever we have an open file descriptor already.
Fixes:
|
6 days ago | |
|---|---|---|
| .. | ||
| 9p-local.c | 1 year ago | |
| 9p-local.h | ||
| 9p-posix-acl.c | 3 years ago | |
| 9p-synth.c | 1 year ago | |
| 9p-synth.h | 3 years ago | |
| 9p-util-darwin.c | 3 years ago | |
| 9p-util-linux.c | 3 years ago | |
| 9p-util.h | 1 year ago | |
| 9p-xattr-user.c | 2 years ago | |
| 9p-xattr.c | 3 years ago | |
| 9p-xattr.h | 7 years ago | |
| 9p.c | 6 days ago | |
| 9p.h | 6 days ago | |
| Kconfig | 4 years ago | |
| codir.c | 2 years ago | |
| cofile.c | 1 year ago | |
| cofs.c | 2 years ago | |
| coth.c | 2 years ago | |
| coth.h | 2 years ago | |
| coxattr.c | 2 years ago | |
| meson.build | 2 months ago | |
| trace-events | 2 years ago | |
| trace.h | 4 years ago | |
| virtio-9p-device.c | 11 months ago | |
| virtio-9p.h | 4 years ago | |
| xen-9p-backend.c | 6 months ago | |
| xen-9pfs.h | 6 years ago | |