Age | Commit message (Collapse) | Author | Lines |
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* Clarify bitfield padding issue
* Add a more elaborate note to fuse_file_info
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on failure to set the pipe size, set it to the maximum allowed by the
kernel.
If the first request required more than the maximum allowed, the
can_grow flag would be reset thus preventing any further resize.
Grow the pipe to the maximum allowed to increase the likelihood of
using splice for successive requests instead of falling back to
read/write.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Readdir caching means that direct modifications to the source
directory will not be seen immediately, so the test becomes flaky.
Fixes: #416.
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sysconfdir defaults to /usr/local/etc which is almost always the wrong
choice.
Fixes: #427
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We are no longer using the capfd mechanism.
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py.test's capture plugin does not work reliably when used by
other fixtures. Therefore, implement our own version.
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chdir_to_parent and check_is_mount are used by should_auto_mount, added
in fuse-3.3.0, regardless of whether IGNORE_MTAB is defined.
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Starting with kernel version 4.20 fuse supports a new property
'max_pages' which is the maximum number of pages that can be used per
request. This can be set via an argument during initialization.
This new property allows writes to be larger than 128k.
This patch sets the property if the matching capability is set
(FUSE_MAX_PAGES). It will also set max_write to 1MiB. Filesystems have
the possibility to decrease this size by setting max_write to a smaller
size. The max_pages and bufsize fields are adjusted accordingly.
Cc: Constantine Shulyupin <const@MakeLinux.com>
Signed-off-by: Markus Pargmann <scosu@quobyte.com>
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The pointer operand to the binary `+` operator must be to a complete
object type. Since we are working with byte sizes, use `char *` instead.
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This is a constraint violation in ISO C[0].
[0] http://port70.net/~nsz/c/c11/n1570.html#6.8.6.4p1
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This is a GNU C extension.
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A comment said that fuse_entry_param.generation must be non-zero.
However, I can't find anything in the kernel that requires that, and
real-world file systems don't seem to follow that advice, either.
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FreeBSD doesn't allow creating sockets using mknod(2). Instead, one has to use socket(2)
and bind(2). Add appropriate logic to the examples and add a test case.
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Fixes: #415.
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passthrough_hp puts emphasis and performance and correctness, rather
than simplicity.
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Fixes #403
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fuse.ko has supported FALLOC_FL_KEEP_SIZE and FALLOC_FL_PUNCH_HOLE at this
moment and more modes may be supported in the future.
fallocate(2) supports modes while posix_fallocate(2) does not, so this
makes lo_fallocate use fallocate(2) instead.
Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
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cache_readdir flag is a new feature.
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Fixes: #394.
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This constant is not defined in the kernel, so it will be lost when
fuse_kernel.h is not synchronized. Instead, the kernel just passes a
flag value of "1", so for now we also use a literal in userspace.
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See issue #389 for some related discussions.
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See also https://bugzilla.redhat.com/1694552#c7
Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
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Instead of the Posix ioctl(2) command, Linux uses its own variant of ioctl()
in which the commands are requested as "unsigned long" and truncated to
32 bits by the fuse kernel module. Transmitting the commands to user space
file systems as "unsigned int" is a workaround for processing ioctl()
commands which do not fit into a signed int.
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Fixes: #373
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Fixes: #333
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sprintf(3)/snprintf(3) destination buffers need to be large enough
so that gcc doesn't warn -Wformat-truncation= or -Wformat-overflow=
when source buffer size is 1024 bytes.
--
../test/test_syscalls.c:1445:47: warning: '%s' directive output may be truncated writing 1 byte into a region of size between 0 and 1023 [-Wformat-truncation=]
#define PATH(p) (snprintf(path, sizeof path, "%s/%s", testdir, p), path)
^~~~~~~
../test/test_syscalls.c:1458:19:
res = mkdir(PATH("a"), 0755);
~~~
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
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This isn't a system header.
Fixes: #349
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Commit 24b35c3d97ffdbf0a1f8e8b4e94ed892343603a6 had a simple mistake in
its changelog entry.
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cd to mountpoint's parent directory using unprivileged rather than
privileged access. This is to ensure that unmount works on mountpoints
where root may not have privileged access.
Fixes: #376
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