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path: root/lib/fuse_lowlevel.c
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2015-05-18libfuse: get ref for reqMiklos Szeredi-1/+3
While the request lives don't free the channel associated with the request, the answer will need to be written on the channel.
2015-05-18libfuse: refcount fuse_chan objectsMiklos Szeredi-2/+1
New functions: fuse_chan_get(), fuse_chan_put(). Removed function: fuse_chan_destroy().
2015-04-23libfuse: add FUSE_CAP_NO_OPEN_SUPPORT flag to ->init()Miklos Szeredi-0/+2
2014-07-15libfuse: add flags to ->rename()Miklos Szeredi-1/+16
See renameat2() system call in linux-3.15 and later kernels.
2014-07-15libfuse: allow setting ctime in ->setattr()Miklos Szeredi-1/+4
2014-07-15libfuse: add "time_gran" optionMiklos Szeredi-1/+12
This allows the filesystem to specify the time granularity it supports when the kernel is responsible for updating times ("writeback_cache" option).
2014-02-27Allocate buffer when splicing from the fuse deviceMiklos Szeredi-6/+21
Was broken by commit 561d7054d856 "libfuse: remove fuse_chan_bufsize()".
2014-01-29libfuse: Add "async_dio" and "writeback_cache" optionsMiklos Szeredi-5/+28
Asynchronous direct I/O is supported by linux kernels 3.13 and later, writeback caching is supported by 3.14 and later.
2013-11-29Fix fuse_add_direntry_plus()Miklos Szeredi-15/+10
2013-08-26Merge remote-tracking branch 'origin/fuse_2_9_bugfix'Miklos Szeredi-0/+1
2013-08-26Add missing includesDaniel Thau-0/+1
This allows compiling fuse with musl.
2013-08-26Don't close -1 fd in fuse_chan_destroy()Miklos Szeredi-1/+3
Valgrind warns on close(-1). So don't do this (happens if fuse_chan_clearfd() was called on the channel).
2013-07-26Print help on stdout instead of stderrMiklos Szeredi-3/+3
2013-07-18libfuse: clean up struct fuse_file_infoMiklos Szeredi-15/+1
Remove 'fh_old' which was an ABI compatibility field for a long time. Make 'writepage' a bitfield.
2013-07-17Merge https://github.com/qknight/fuse-fuseMiklos Szeredi-0/+0
2013-07-02rewrote c++ style comments to c style coments mentioned by Miklos SzerediJoachim Schiele-0/+0
2013-06-21libfuse: remove session and chan abstractionsMiklos Szeredi-20/+32
There's actually just one type of channel and session, so we don't need the generic callback functions.
2013-06-21libfuse: remove fuse_chan_bufsize()Miklos Szeredi-22/+25
Remove fuse_chan_bufsize() from the lowlevel API. fuse_session_receive_buf() is now responsible for allocating memory for the buffer.
2013-06-21libfuse: remove fuse_chan_(send|receive)Miklos Szeredi-8/+60
Move the fuse_chan_ops.send and .receive implementations to fuse_lowlevel.c. The abstraction wasn't actually useful and made the the splice implementation more difficult. Remove fuse_chan_ops.send and fuse_chan_ops.receive.
2013-06-21libfuse: clean up fuse_sessionMiklos Szeredi-16/+2
Clean up fuse_session related interfaces. Remove the following from the lowlevel library API: struct fuse_session_ops; fuse_session_new(); fuse_session_process(); fuse_session_data();
2013-02-21Fix nodeid format stringsMiklos Szeredi-2/+2
2013-02-08libfuse: remove deprecated fuse_lowlevel_is_lib_option()Miklos Szeredi-5/+0
2013-02-07libfuse: allow disabling adaptive readdirplusEric Wong-4/+16
This switches the -o no_readdirplus option to a tristate string: -o readdirplus=(yes|no|auto) Telling the kernel to always use readdirplus is beneficial to filesystems (e.g. GlusterFS) where the cost to perform readdir and readdirplus are identical. The default remains "auto" (if supported).
2013-02-07libfuse: add poll_events to fuse_file_infoEnke Chen-0/+1
Make requested poll events available to the filesystem. If the requested eventsare not available, then this field is zero.
2013-02-07libfuse: add readdirplus support in fuse_lowlevel_opsFeng Shuo-1/+47
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>
2013-02-06libfuse: Add '[no_]auto_inval_data' mount optionFeng Shuo-0/+11
Several caching logic changes have been made on the kernel side to better support network-based fuse filesystems. These include kernel side mtime checking and read path cache revalidation. The new caching logic is enabled through the FUSE_AUTO_INVAL_DATA init flag. Export this to the user via the '[no_]auto_inval_data' mount option. Signed-off-by: Feng Shuo <steve.shuo.feng@gmail.com>
2013-02-06libfuse: set close-on-exec flag on pipe file descriptorsEric Wong-9/+26
The FUSE library may be used from any number of programs which may also fork() + execve(), so set the close-on-exec flag to avoid inadvertant leakage of pipe file descriptors. While we're at it, attempt to use pipe2() since this is within a (currently) Linux-only code path and pipe2() offers thread-safety.
2013-02-04Merge branch 'fuse_2_9_bugfix'Miklos Szeredi-0/+1
2012-08-24Fix missing config.h in buffer.cMiklos Szeredi-0/+1
Due to an oversight, splice will never actually be used for i/o. Someone forgot to #include "config.h" in lib/buffer.c (in fact almost no files include that header). As a result, even though configure detects splice support and puts HAVE_SPLICE in config.h, buffer.c is always compiled as if there is no splice support. Also add #include "config.h" to fuse.c and fuse_lowlevel.c. These currently include it indirectly through fuse_misc.h, but we don't want to depend on that. Reported by Matthew Gabeler-Lee
2012-07-19Remove compat functionsMiklos Szeredi-152/+6
2012-07-19Remove old symbol versionsMiklos Szeredi-10/+0
2012-07-04libfuse: mark some data constantMiklos Szeredi-1/+1
2012-06-18Add FALLOCATE operationAnatol Pomozov-0/+15
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.
2012-04-10Check protocol version before sending notificationsMiklos Szeredi-0/+9
Check protocol version before sending notifications and return -ENOSYS if a particular notification is not supported.
2012-01-24Revert "Add mmap() and munmap() methods to low level API"Miklos Szeredi-45/+0
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().
2011-12-09Free request in fuse_reply_data()Miklos Szeredi-2/+4
Fix memory leak caused by a missing fuse_request_free() in fuse_reply_data().
2011-12-07libfuse: Notifying the kernel of deletion.John Muir-0/+28
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>
2011-12-06Add mmap() and munmap() methods to low level APIMiklos Szeredi-6/+64
Currently this is only useful for CUSE. Also update retrieve_reply() method.
2011-12-05Add support for ioctl on directoriesMiklos Szeredi-0/+8
Reported by Antonio SJ Musumeci
2011-12-05Make lock argument of fuse_reply_lock constMiklos Szeredi-1/+1
Low level API: lock argument of fuse_reply_lock should have a 'const' qualifier. Reported by Shachar Sharon
2011-10-23Reply with ENOMEM in case of failure to allocate requestMiklos Szeredi-9/+20
Reply to request with ENOMEM in case of failure to allocate request structure. Otherwise the task issuing the request will just freeze up until the filesystem daemon is killed. Reported by Stephan Kulow
2011-07-06Add ->flock() operation to low and high level interfacesMiklos Szeredi-7/+45
This fixes problems with emulating flock() with POSIX locking. Reported by Sebastian Pipping. As with lock/setlk/getlk most filesystems don't need to implement this, as the kernel takes care of file locking. The only reason to implement locking operations is for network filesystems which want file locking to work between clients.
2011-05-27Check if splice/vmsplice are supportedMiklos Szeredi-24/+67
2011-05-19Fix ioctl ABIMiklos Szeredi-10/+72
Fix the ambiguity of ioctl ABI on the kernel/userspace boundary for 32bit vs. 64bit userspace
2011-05-19Add ->forget_multi() operationMiklos Szeredi-2/+7
Add ->forget_multi() operation to the lowlevel API. The filesystem may implement this to process multiple forget requests in one call
2011-05-19Allow batching of forget requestsMiklos Szeredi-9/+52
This allows forget requests to be processed faster and doesn't require a modification to fuse filesystems. Reported by Terje Malmedal
2011-05-19Fix splice_readMiklos Szeredi-2/+1
2011-05-19Disable splice by defaultMiklos Szeredi-6/+16
Disable splice by default, add "splice_read", "splice_write" and "splice_move" options. Keep the "no_splice_*" variants, which can disable splice even if the filesystem explicitly enables it.
2010-11-10store fuse_buf inside fuse_bufvecMiklos Szeredi-71/+51
Store the first fuse_buf inside fuse_bufvec. This makes initialization of fuse_bufvec simpler for the common case of a single fuse_buf. If multiple fuse_buf's are needed then fuse_bufvec needs to be dynamically allocated.
2010-11-08libfuse: add retrieve requestMiklos Szeredi-3/+152
Retrieve data stored in the kernel buffers for a given inode.
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