Commit 83653888 authored by Jan Kara's avatar Jan Kara Committed by Theodore Ts'o
Browse files

ext4: Update documentation about quota mount options 



Signed-off-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent 6d7f18f6

Documentation/filesystems/ext4.txt

+10 −3
Original line number Diff line number Diff line
@@ -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