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-rw-r--r--Documentation/filesystems/ext4.txt13
-rw-r--r--Documentation/filesystems/proc.txt1
-rw-r--r--Documentation/filesystems/vfat.txt2
3 files changed, 11 insertions, 5 deletions
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index 18b5ec8cea4..bf4f4b7e11b 100644
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -282,9 +282,16 @@ stripe=n Number of filesystem blocks that mballoc will try
to use for allocation size and alignment. For RAID5/6
systems this should be the number of data
disks * RAID chunk size in file system blocks.
-delalloc (*) Deferring block allocation until write-out time.
-nodelalloc Disable delayed allocation. Blocks are allocation
- when data is copied from user to page cache.
+
+delalloc (*) Defer block allocation until just before ext4
+ writes out the block(s) in question. This
+ allows ext4 to better allocation decisions
+ more efficiently.
+nodelalloc Disable delayed allocation. Blocks are allocated
+ when the data is copied from userspace to the
+ page cache, either via the write(2) system call
+ or when an mmap'ed page which was previously
+ unallocated is written for the first time.
max_batch_time=usec Maximum amount of time ext4 should wait for
additional filesystem operations to be batch
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index b5aee7838a0..2c48f945546 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -1113,7 +1113,6 @@ Table 1-12: Files in /proc/fs/ext4/<devname>
..............................................................................
File Content
mb_groups details of multiblock allocator buddy cache of free blocks
- mb_history multiblock allocation history
..............................................................................
diff --git a/Documentation/filesystems/vfat.txt b/Documentation/filesystems/vfat.txt
index b58b84b50fa..eed520fd0c8 100644
--- a/Documentation/filesystems/vfat.txt
+++ b/Documentation/filesystems/vfat.txt
@@ -102,7 +102,7 @@ shortname=lower|win95|winnt|mixed
winnt: emulate the Windows NT rule for display/create.
mixed: emulate the Windows NT rule for display,
emulate the Windows 95 rule for create.
- Default setting is `lower'.
+ Default setting is `mixed'.
tz=UTC -- Interpret timestamps as UTC rather than local time.
This option disables the conversion of timestamps