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-rw-r--r--Documentation/filesystems/fuse/fuse-io-uring.rst (renamed from Documentation/filesystems/fuse-io-uring.rst)0
-rw-r--r--Documentation/filesystems/fuse/fuse-io.rst (renamed from Documentation/filesystems/fuse-io.rst)2
-rw-r--r--Documentation/filesystems/fuse/fuse-passthrough.rst (renamed from Documentation/filesystems/fuse-passthrough.rst)0
-rw-r--r--Documentation/filesystems/fuse/fuse.rst (renamed from Documentation/filesystems/fuse.rst)20
-rw-r--r--Documentation/filesystems/fuse/index.rst14
-rw-r--r--Documentation/filesystems/index.rst5
-rw-r--r--Documentation/filesystems/sysfs.rst2
7 files changed, 34 insertions, 9 deletions
diff --git a/Documentation/filesystems/fuse-io-uring.rst b/Documentation/filesystems/fuse/fuse-io-uring.rst
index d73dd0dbd238..d73dd0dbd238 100644
--- a/Documentation/filesystems/fuse-io-uring.rst
+++ b/Documentation/filesystems/fuse/fuse-io-uring.rst
diff --git a/Documentation/filesystems/fuse-io.rst b/Documentation/filesystems/fuse/fuse-io.rst
index 6464de4266ad..d736ac4cb483 100644
--- a/Documentation/filesystems/fuse-io.rst
+++ b/Documentation/filesystems/fuse/fuse-io.rst
@@ -1,7 +1,7 @@
.. SPDX-License-Identifier: GPL-2.0
==============
-Fuse I/O Modes
+FUSE I/O Modes
==============
Fuse supports the following I/O modes:
diff --git a/Documentation/filesystems/fuse-passthrough.rst b/Documentation/filesystems/fuse/fuse-passthrough.rst
index 2b0e7c2da54a..2b0e7c2da54a 100644
--- a/Documentation/filesystems/fuse-passthrough.rst
+++ b/Documentation/filesystems/fuse/fuse-passthrough.rst
diff --git a/Documentation/filesystems/fuse.rst b/Documentation/filesystems/fuse/fuse.rst
index 1e31e87aee68..0fbd5a03fdc9 100644
--- a/Documentation/filesystems/fuse.rst
+++ b/Documentation/filesystems/fuse/fuse.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0
-====
-FUSE
-====
+=============
+FUSE Overview
+=============
Definitions
===========
@@ -129,6 +129,20 @@ For each connection the following files exist within this directory:
connection. This means that all waiting requests will be aborted an
error returned for all aborted and new requests.
+ max_background
+ The maximum number of background requests that can be outstanding
+ at a time. When the number of background requests reaches this limit,
+ further requests will be blocked until some are completed, potentially
+ causing I/O operations to stall.
+
+ congestion_threshold
+ The threshold of background requests at which the kernel considers
+ the filesystem to be congested. When the number of background requests
+ exceeds this value, the kernel will skip asynchronous readahead
+ operations, reducing read-ahead optimizations but preserving essential
+ I/O, as well as suspending non-synchronous writeback operations
+ (WB_SYNC_NONE), delaying page cache flushing to the filesystem.
+
Only the owner of the mount may read or write these files.
Interrupting filesystem operations
diff --git a/Documentation/filesystems/fuse/index.rst b/Documentation/filesystems/fuse/index.rst
new file mode 100644
index 000000000000..393a845214da
--- /dev/null
+++ b/Documentation/filesystems/fuse/index.rst
@@ -0,0 +1,14 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+======================================================
+FUSE (Filesystem in Userspace) Technical Documentation
+======================================================
+
+.. toctree::
+ :maxdepth: 2
+ :numbered:
+
+ fuse
+ fuse-io
+ fuse-io-uring
+ fuse-passthrough
diff --git a/Documentation/filesystems/index.rst b/Documentation/filesystems/index.rst
index 622187a96bdc..af516e528ded 100644
--- a/Documentation/filesystems/index.rst
+++ b/Documentation/filesystems/index.rst
@@ -95,10 +95,7 @@ Documentation for filesystem implementations.
hfs
hfsplus
hpfs
- fuse
- fuse-io
- fuse-io-uring
- fuse-passthrough
+ fuse/index
inotify
isofs
nilfs2
diff --git a/Documentation/filesystems/sysfs.rst b/Documentation/filesystems/sysfs.rst
index c32993bc83c7..be966f27f284 100644
--- a/Documentation/filesystems/sysfs.rst
+++ b/Documentation/filesystems/sysfs.rst
@@ -321,7 +321,7 @@ span multiple bus types).
fs/ contains a directory for some filesystems. Currently each
filesystem wanting to export attributes must create its own hierarchy
-below fs/ (see ./fuse.rst for an example).
+below fs/ (see fuse/fuse.rst for an example).
module/ contains parameter values and state information for all
loaded system modules, for both builtin and loadable modules.