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authorJ. Bruce Fields <bfields@citi.umich.edu>2009-11-23 12:34:58 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-11-23 12:34:58 -0500
commit9b8b317d58084b9a44f6f33b355c4278d9f841fb (patch)
treee0df89800bf4301c4017db3cdf04a2056ec1a852 /Documentation/filesystems
parent78c210efdefe07131f91ed512a3308b15bb14e2f (diff)
parent648f4e3e50c4793d9dbf9a09afa193631f76fa26 (diff)
Merge commit 'v2.6.32-rc8' into HEAD
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r--Documentation/filesystems/ext4.txt8
1 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index bf4f4b7e11b3..6d94e0696f8c 100644
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -134,9 +134,15 @@ ro Mount filesystem read only. Note that ext4 will
134 mount options "ro,noload" can be used to prevent 134 mount options "ro,noload" can be used to prevent
135 writes to the filesystem. 135 writes to the filesystem.
136 136
137journal_checksum Enable checksumming of the journal transactions.
138 This will allow the recovery code in e2fsck and the
139 kernel to detect corruption in the kernel. It is a
140 compatible change and will be ignored by older kernels.
141
137journal_async_commit Commit block can be written to disk without waiting 142journal_async_commit Commit block can be written to disk without waiting
138 for descriptor blocks. If enabled older kernels cannot 143 for descriptor blocks. If enabled older kernels cannot
139 mount the device. 144 mount the device. This will enable 'journal_checksum'
145 internally.
140 146
141journal=update Update the ext4 file system's journal to the current 147journal=update Update the ext4 file system's journal to the current
142 format. 148 format.