update README with mount options
diff --git a/README b/README
index da06a2a..4d9dd92 100644
--- a/README
+++ b/README
@@ -170,6 +170,12 @@
is still cached after the open(), so a read() system call will not
always initiate a read operation.
+auto_cache
+
+ This option enables automatic flushing of the data cache on open().
+ The cache will only be flushed if the modification time or the size
+ of the file has changed.
+
large_read
Issue large read requests. This can improve performance for some
@@ -197,6 +203,27 @@
The default is infinite. Note that the size of read requests is
limited anyway to 32 pages (which is 128kbyte on i386).
+max_readahead=N
+
+ Set the maximum number of bytes to read-ahead. The default is
+ determined by the kernel. On linux-2.6.22 or earlier it's 131072
+ (128kbytes)
+
+max_write=N
+
+ Set the maximum number of bytes in a single write operation. The
+ default is 128kbytes. Note, that due to various limitations, the
+ size of write requests can be much smaller (4kbytes). This
+ limitation will be removed in the future.
+
+async_read
+
+ Perform reads asynchronously. This is the default
+
+sync_read
+
+ Perform all reads (even read-ahead) synchronously.
+
hard_remove
The default behavior is that if an open file is deleted, the file is
@@ -226,7 +253,19 @@
fsname=NAME
- Sets the filesystem name. The default is the program name.
+ Sets the filesystem source (first field in /etc/mtab). The default
+ is the program name.
+
+subtype=TYPE
+
+ Sets the filesystem type (third field in /etc/mtab). The default is
+ the program name.
+
+ If the kernel suppports it, /etc/mtab and /proc/mounts will show the
+ filesystem type as "fuse.TYPE"
+
+ If the kernel doesn't support subtypes, the source filed will be
+ "TYPE#NAME", or if fsname option is not specified, just "TYPE".
use_ino
@@ -271,6 +310,83 @@
Mount a filesystem backed by a block device. This is a privileged
option. The device must be specified with the 'fsname=NAME' option.
+entry_timeout=T
+
+ The timeout in seconds for which name lookups will be cached. The
+ default is 1.0 second. For all the timeout options, it is possible
+ to give fractions of a second as well (e.g. "-oentry_timeout=2.8")
+
+negative_timeout=T
+
+ The timeout in seconds for which a negative lookup will be cached.
+ This means, that if file did not exist (lookup retuned ENOENT), the
+ lookup will only be redone after the timeout, and the file/directory
+ will be assumed to not exist until then. The default is 0.0 second,
+ meaning that caching negative lookups are disabled.
+
+attr_timeout=T
+
+ The timeout in seconds for which file/directory attributes are
+ cached. The default is 1.0 second.
+
+ac_attr_timeout=T
+
+ The timeout in seconds for which file attributes are cached for the
+ purpose of checking if "auto_cache" should flush the file data on
+ open. The default is the value of 'attr_timeout'
+
+intr
+
+ Allow requests to be interrupted. Turning on this option may result
+ in unexpected behavior, if the filesystem does not support request
+ interruption.
+
+intr_signal=NUM
+
+ Specify which signal number to send to the filesystem when a request
+ is interrupted. The default is 10 (USR1).
+
+modules=M1[:M2...]
+
+ Add modules to the filesystem stack. Modules are pushed in the
+ order they are specified, with the original filesystem being on the
+ bottom of the stack.
+
+
+Modules distributed with fuse
+-----------------------------
+
+iconv
+`````
+Perform file name character set conversion. Options are:
+
+from_code=CHARSET
+
+ Character set to convert from (see iconv -l for a list of possible
+ values). Default is UTF-8.
+
+to_code=CHARSET
+
+ Character set to convert to. Default is determined by the current
+ locale.
+
+
+subdir
+``````
+Prepend a given directory to each path. Options are:
+
+subdir=DIR
+
+ Directory to prepend to all paths. This option is mandatory.
+
+rellinks
+
+ Transform absolute symlinks into relative
+
+norellinks
+
+ Do not transform absolute symlinks into relative. This is the default.
+
Reporting bugs
==============