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This patch implements readdirplus support in FUSE usersapce. It adds
a new fuse lowlevel operations fuse_lowleve_ops::readdir_plus,
corespoding mount options and helper functions to maintain buffer.
[From: Eric Wong <normalperson@yhbt.net>]
This makes our terminology consistent with NFS and
our kernel module, as well as reducing user/developer
confusion in the command-line.
Note: I'm keeping "fuse_add_direntry_plus" since that is
less standardized in its use than "readdirplus" for now.
Signed-off-by: Feng Shuo <steve.shuo.feng@gmail.com>
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fallocate filesystem operation preallocates media space for the given file.
If fallocate returns success then any subsequent write to the given range
never fails with 'not enough space' error.
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This partially reverts commit 4b2157c44e6ad7e692fcffb7450143e83151d36b.
Remove mmap/munmap suppor as this missed the interface changes for Linux-3.3
(API version 7.18).
Only revert the mmap/munmap bits and leave the retrieve_reply API fix in place
as well as the optimization in fuse_send_data_iov_fallback().
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libfuse part to allow a FUSE file-system to tell the kernel when a
file or directory is deleted. If the specified dentry has the
specified inode number, the kernel will unhash it.
Signed-off-by: John Muir <john@jmuir.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
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Currently this is only useful for CUSE. Also update retrieve_reply()
method.
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This works similar to "noforget" except that eventually the node will
be allowed to expire from the cache.
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Add a new read_buf() method to the highlevel API. This allows
returning a generic buffer from the read method, which in turn allows
zero copy reads.
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Add new write_buf() method to the highlevel API. Similarly to the
lowlevel write_buf() method, this allows implementing zero copy
writes.
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Retrieve data stored in the kernel buffers for a given inode.
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Request data to be stored in the kernel buffers for a given inode.
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Add new ->write_buf() method to low level interface. This
allows passig a generic buffer, either containing a memory buffer
or a file descriptor. This allows implementing zero copy writes.
Add fuse_session_receive_buf() and fuse_session_process_buf()
which may be used in event loop implementations to replace
fuse_chan_recv() and fuse_session_process() respectively.
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fuse_versionscript included fuse_chan_new in both FUSE_2.4 and
FUSE_2.6. Remove the FUSE_2.4, which is invalid.
Reported by Raymes Khoury, who discovered this with the gold linker
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Add a generic buffer interface for use with I/O. Buffer vectors are
supplied and each buffer in the vector may be a memory pointer or a
file descriptor.
The fuse_reply_fd() interface is converted to using buffers.
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* Make sure all global symbols are prefixed with "fuse_" or "cuse_"
* Released 2.8.0
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for mknod, mkdir and create requests by linux kernel version
2.6.31 or later, otherwise the umask is set to zero. Also
introduce a new feature flag: FUSE_CAP_DONT_MASK. If the kernel
supports this feature, then this flag will be set in conn->capable
in the ->init() method. If the filesystem sets this flag in in
conn->want, then the create modes will not be masked.
* Add low level interfaces for lookup cache and attribute
invalidation. This feature is available in linux kernels 2.6.31
or later. Patch by John Muir
* Kernel interface version is now 7.12
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level lib) functions to query the supplementary group IDs for the
current request. Currently this is implemented on Linux by
reading from the /proc filesystem.
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by Goswin Brederlow
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"restricted" ioctls are supported (which are defined with the
_IO(), _IOR(), _IOW() or _IOWR() macros). Unrestricted ioctls
will only be allwed to CUSE (Character Device in Userspace)
servers. Patch by Tejun Heo
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fuse_opt_add_opt_escaped() * Add missing fuse_reply_bmap() to the version script
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