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[PATCH] ext3: external journal device as a mount option

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The patch below adds a new mount option to allow the external journal
device to be specified.

The syntax is as follows:
# mount -t ext3 -o journal_dev=0x0820 ...
where 0x0820 means major=8 and minor=32.

Signed-off-by: Johann Lombardi <johann.lombardi@bull.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Johann Lombardi
2006-01-08 01:03:20 -08:00
committed by Linus Torvalds
parent bf066c7db7
commit 71b9625744
2 changed files with 49 additions and 10 deletions
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5
Documentation/filesystems/ext3.txt
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@@ -22,6 +22,11 @@ journal=inum When a journal already exists, this option is
the inode which will represent the ext3 file
system's journal file.
journal_dev=devnum When the external journal device's major/minor numbers
have changed, this option allows to specify the new
journal location. The journal device is identified
through its new major/minor numbers encoded in devnum.
noload Don't load the journal on mounting.
data=journal All data are committed into the journal prior