From d0646f7b636d067d715fab52a2ba9c6f0f46b0d7 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Sat, 5 Sep 2009 12:50:43 -0400 Subject: ext4: Remove journal_checksum mount option and enable it by default There's no real cost for the journal checksum feature, and we should make sure it is enabled all the time. Signed-off-by: "Theodore Ts'o" --- Documentation/filesystems/ext4.txt | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) (limited to 'Documentation') diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt index 7be02ac5fa36..3e329dbac785 100644 --- a/Documentation/filesystems/ext4.txt +++ b/Documentation/filesystems/ext4.txt @@ -134,15 +134,9 @@ ro Mount filesystem read only. Note that ext4 will mount options "ro,noload" can be used to prevent writes to the filesystem. -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 - compatible change and will be ignored by older kernels. - journal_async_commit Commit block can be written to disk without waiting for descriptor blocks. If enabled older kernels cannot - mount the device. This will enable 'journal_checksum' - internally. + mount the device. journal=update Update the ext4 file system's journal to the current format. -- cgit v1.2.3-59-g8ed1b From 1358870deaf11a752a84fbd89201749aa62498e8 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Fri, 18 Sep 2009 12:22:29 -0400 Subject: ext4: Update documentation about quota mount options Signed-off-by: Jan Kara Signed-off-by: "Theodore Ts'o" --- Documentation/filesystems/ext4.txt | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'Documentation') diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt index 3e329dbac785..18b5ec8cea45 100644 --- a/Documentation/filesystems/ext4.txt +++ b/Documentation/filesystems/ext4.txt @@ -257,10 +257,18 @@ resuid=n The user ID which may use the reserved blocks. sb=n Use alternate superblock at this location. -quota -noquota -grpquota -usrquota +quota These options are ignored by the filesystem. They +noquota are used only by quota tools to recognize volumes +grpquota where quota should be turned on. See documentation +usrquota in the quota-tools package for more details + (http://sourceforge.net/projects/linuxquota). + +jqfmt= These options tell filesystem details about quota +usrjquota= so that quota information can be properly updated +grpjquota= during journal replay. They replace the above + quota options. See documentation in the quota-tools + package for more details + (http://sourceforge.net/projects/linuxquota). bh (*) ext4 associates buffer heads to data pages to nobh (a) cache disk block mapping information -- cgit v1.2.3-59-g8ed1b