btrfs: Introduce new mount option to disable tree log replay

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Introduce a new mount option "nologreplay" to co-operate with "ro" mount
option to get real readonly mount, like "norecovery" in ext* and xfs.

Since the new parse_options() need to check new flags at remount time,
so add a new parameter for parse_options().

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Reviewed-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Tested-by: Austin S. Hemmelgarn <ahferroin7@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Qu Wenruo 2016-01-19 10:23:03 +08:00 • committed by David Sterba

parent 8dcddfa048

commit 96da09192c

4 changed files with 40 additions and 7 deletions

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8

Documentation/filesystems/btrfs.txt

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4

fs/btrfs/ctree.h

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7

fs/btrfs/disk-io.c

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28

fs/btrfs/super.c

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