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authorTheodore Ts'o <tytso@mit.edu>2009-01-06 14:53:16 -0500
committerTheodore Ts'o <tytso@mit.edu>2009-01-06 14:53:16 -0500
commit83982b6f47201c4c7767210d24d7d8c99567a0b3 (patch)
treef1c19b1c6b5a34dd0c5de7519b78414b7a9267ee /Documentation
parent4d783b093cd4f3e2738527365979cbd1c5101065 (diff)
downloadop-kernel-dev-83982b6f47201c4c7767210d24d7d8c99567a0b3.zip
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ext4: Remove "extents" mount option
This mount option is largely superfluous, and in fact the way it was implemented was buggy; if a filesystem which did not have the extents feature flag was mounted -o extents, the filesystem would attempt to create and use extents-based file even though the extents feature flag was not eabled. The simplest thing to do is to nuke the mount option entirely. It's not all that useful to force the non-creation of new extent-based files if the filesystem can support it. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/filesystems/ext4.txt5
1 files changed, 0 insertions, 5 deletions
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index 8938949..cec829b 100644
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -131,11 +131,6 @@ ro Mount filesystem read only. Note that ext4 will
mount options "ro,noload" can be used to prevent
writes to the filesystem.
-extents (*) ext4 will use extents to address file data. The
- file system will no longer be mountable by ext3.
-
-noextents ext4 will not use extents for newly created files
-
journal_checksum Enable checksumming of the journal transactions.
This will allow the recovery code in e2fsck and the
kernel to detect corruption in the kernel. It is a
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