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Drop -o large_read mount option

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This was only relevant for 2.4 kernels. Fixes #92.
This commit is contained in:
Nikolaus Rath 2016-10-15 18:49:52 -07:00
parent 73b6ff4b75
commit d6217bb2a0
4 changed files with 3 additions and 5 deletions
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3
ChangeLog.rst
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@ -1,6 +1,9 @@
Unreleased Changes
==================
* The ``-o large_read`` mount option has been dropped. Hopefully no
one uses a Linux 2.4 kernel anymore.
* The chmod, chown, truncate, utimens and getattr handlers of the
high-level API now all receive an additional struct fuse_file_info
pointer. This pointer is NULL if the file is not currently open.

2
doc/mount.fuse.8
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@ -33,8 +33,6 @@ This option disables flushing the cache of the file contents on every \fBopen\fP
\fBauto_cache\fP
This option enables automatic flushing of the data cache on \fBopen\fP(2). The cache will only be flushed if the modification time or the size of the file has changed.
.TP
\fBlarge_read\fP
Issue large read requests. This can improve performance for some filesystems, but can also degrade performance. This option is only useful on 2.4.X kernels, as on 2.6 kernels requests size is automatically determined for optimum performance.
.TP
\fBdirect_io\fP
This option disables the use of page cache (file content cache) in the kernel for this filesystem. This has several affects:

2
lib/mount.c
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@ -93,7 +93,6 @@ static const struct fuse_opt fuse_mount_opts[] = {
FUSE_OPT_KEY("blkdev", KEY_FUSERMOUNT_OPT),
FUSE_OPT_KEY("fsname=", KEY_FUSERMOUNT_OPT),
FUSE_OPT_KEY("subtype=", KEY_SUBTYPE_OPT),
FUSE_OPT_KEY("large_read", KEY_KERN_OPT),
FUSE_OPT_KEY("blksize=", KEY_KERN_OPT),
FUSE_OPT_KEY("default_permissions", KEY_KERN_OPT),
FUSE_OPT_KEY("context=", KEY_KERN_OPT),
@ -130,7 +129,6 @@ void fuse_mount_help(void)
" -o default_permissions enable permission checking by kernel\n"
" -o fsname=NAME set filesystem name\n"
" -o subtype=NAME set filesystem type\n"
" -o large_read issue large read requests (2.4 only)\n"
" -o max_read=N set maximum size of read requests\n\n");
}

1
lib/mount_bsd.c
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@ -91,7 +91,6 @@ static const struct fuse_opt fuse_mount_opts[] = {
*/
FUSE_OPT_KEY("fsname=", KEY_KERN),
FUSE_OPT_KEY("nonempty", KEY_KERN),
FUSE_OPT_KEY("large_read", KEY_KERN),
FUSE_OPT_END
};