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There's actually just one type of channel and session, so we don't need the
generic callback functions.
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Remove fuse_chan_bufsize() from the lowlevel API.
fuse_session_receive_buf() is now responsible for allocating memory for the
buffer.
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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.
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Clean up fuse_chan related interfaces. Remove the following from the
lowlevel library API:
struct fuse_chan_ops;
fuse_chan_new();
fuse_chan_session();
fuse_chan_recv();
fuse_chan_send();
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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();
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Replace fuse_session_next_chan() with fuse_session_chan(), as multiple
channels per session were never actually supported and probably never will.
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- modified all examples to be included in doxygen
- modified the API documentation to have more details
- added the 490px_FUSE_structure.svg.png (c) wikipedia
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- fuse_kern_unmount closes handle (e.g. 19)
- a thread in my process opens a file - the OS assigns newly freed
handle (i.e. 19)
- fuse_kern_chan_destroy closes the same handle (i.e. 19)
- a thread in my process opens another file - the OS assigns newly
freed handle (i.e. 19)
- * MAYHEM *
Reported by Dan Greenfield
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Exiting a worker my race with cancelling that same worker. This caused a
segmenation fault.
Reported and tested by Anatol Pomozov
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for consistency.
Reported by Vladimir Rutsky
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when storing a newly allocated string for format "%s", free the previous value
stored at that location.
Reported by Marco Schuster
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Mount can be used with an "-o context=" option in order to specify a
mountpoint-wide SELinux security context different from the default context
provided by the active SELinux policy.
This is useful in order to enable users to mount multiple sshfs targets under
distinct contexts, which is my main motivation for getting this patch mainlined.
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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).
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This fixes a segmentation fault if command-line option parsing fails during
initialization.
Reported by Eric Wong
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Make requested poll events available to the filesystem. If the requested
eventsare not available, then this field is zero.
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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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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>
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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.
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fuse_interrupted(), fuse_get_context(), etc... crashed in non-fuse threads.
Instead return false, NULL or error depending on the function.
Reported by Michael Berlin
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The lru list was not initialized for the "/" path. This resulted in
remove_node_lru() crashing on LOOKUP-DOTDOT.
Patch by Madan Valluri.
--
ChangeLog | 4 ++++
lib/fuse.c | 4 ++++
2 files changed, 8 insertions(+)
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Patch by Ratna Manoj.
queue_element_unlock() should set ->first_locked and ->second_locked to false.
Discovered with 'fs_racer'. The assert(wnode->treelock == TREELOCK_WRITE) in
unlock_path() was hit within minutes.
Miklos: simplified patch
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Running "svn update" on a fuse filesystem could deadlock because of a bug in the
way the paths are locked.
Reported by Kazuaki Anami
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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
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Fix compile warning when not using node slab.
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Commit 4dc7e675bb (Don't unhash name in FORGET) broke the forget logic in a
subtle way, resulting in "fuse internal error: node NNN not found" and causing
the filesystem daemon to abort.
Fix by incrementing the node refcount if nlookup goes from zero to one.
Reported by Kyle Lippincott
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