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| author |   Fabian Frederick <fabf@skynet.be> | 2016-12-03 16:44:45 -0500 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2016-12-03 16:44:45 -0500 |
| commit | 9e645ab72e6f73873a00d042d0ecc9c148d5a6b6 (patch) | |
| tree | 0e54fa63fcbf525cb760284dbe43c69086d8e36e /Documentation/filesystems | |
| parent | ext4: fix checks for data=ordered and journal_async_commit options (diff) | |
| download | wireguard-linux-9e645ab72e6f73873a00d042d0ecc9c148d5a6b6.tar.xz wireguard-linux-9e645ab72e6f73873a00d042d0ecc9c148d5a6b6.zip | |
Documentation: fix description of ext4's block_validity mount option
Fix ext4 documentation according to commit 45f1a9c3f63d
("ext4: enable block_validity by default")
Also fix some typos.
[ Further documentation cleanups by tytso ]
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/ext4.txt | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt index 6c0108eb0137..3698ed3146e3 100644 --- a/Documentation/filesystems/ext4.txt +++ b/Documentation/filesystems/ext4.txt @@ -351,14 +351,13 @@ nouid32 Disables 32-bit UIDs and GIDs. This is for interoperability with older kernels which only store and expect 16-bit values. -block_validity This options allows to enables/disables the in-kernel +block_validity(*) These options enable or disable the in-kernel noblock_validity facility for tracking filesystem metadata blocks - within internal data structures. This allows multi- - block allocator and other routines to quickly locate - extents which might overlap with filesystem metadata - blocks. This option is intended for debugging - purposes and since it negatively affects the - performance, it is off by default. + within internal data structures. This allows multi- + block allocator and other routines to notice + bugs or corrupted allocation bitmaps which cause + blocks to be allocated which overlap with + filesystem metadata blocks. dioread_lock Controls whether or not ext4 should use the DIO read dioread_nolock locking. If the dioread_nolock option is specified |