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ext4: Update documentation about quota mount options

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Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Jan Kara 2009-09-29 15:59:34 -04:00 committed by Theodore Ts'o
parent 6d7f18f6ea
commit 8365388827
1 changed files with 10 additions and 3 deletions
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13
Documentation/filesystems/ext4.txt
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@ -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