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[PATCH] ext3: Add "-o bh" option

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This patch adds "-o bh" option to force use of buffer_heads.  This option
is needed when we make "nobh" as default - and if we run into problems.

Signed-off-by: Badari Pulavarty <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Badari Pulavarty 2006-06-26 00:25:04 -07:00 • committed by Linus Torvalds
commit ade1a29e16
2 changed files with 13 additions and 1 deletions
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8
Documentation/filesystems/ext3.txt
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@ -113,6 +113,14 @@ noquota
grpquota
usrquota
bh (*) ext3 associates buffer heads to data pages to
nobh (a) cache disk block mapping information
(b) link pages into transaction to provide
ordering guarantees.
"bh" option forces use of buffer heads.
"nobh" option tries to avoid associating buffer
heads (supported only for "writeback" mode).
Specification
=============