On Mon, Nov 05, 2007 at 02:45:41PM -0600, Eric Sandeen wrote:
> (this patch has been carried in Red Hat / Fedora rpms for a while, not
> sure why it never got sent upstream... clearing this allows for mounting
> filesystems with a resize_inode on older systems)
I just checked in the following into the e2fsprogs maint branch.
- Ted
commit 037914e28f69110020195fe9f9ea56e5274ff2c0
Author: Theodore Ts'o <tytso@xxxxxxx>
Date: Tue Feb 26 17:31:06 2008 -0500
tune2fs: Add support to clear the resize_inode feature
This requires an fsck aftwards. We don't allow setting the
resize_inode feature because extensive work to tune2fs or e2fsck to
safely relocate blocks is necessary in order to reserve the blocks
needed by the resize inode.
Addresses-Red-Hat-Bugzilla: #167816
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
diff --git a/misc/tune2fs.8.in b/misc/tune2fs.8.in
index 435556f..40cdb96 100644
--- a/misc/tune2fs.8.in
+++ b/misc/tune2fs.8.in
@@ -429,12 +429,19 @@ option.
.TP
.B sparse_super
Limit the number of backup superblocks to save space on large filesystems.
+.TP
+.B resize_inode
+Reserve space so the block group descriptor table may grow in the
+future.
+.B Tune2fs
+only supports clearing this filesystem feature.
.RE
.IP
After setting or clearing
-.B sparse_super
-and
-.B filetype
+.BR sparse_super ,
+.BR filetype ,
+or
+.B resize_inode
filesystem features,
.BR e2fsck (8)
must be run on the filesystem to return the filesystem to a consistent state.
diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index ee7af4b..4529e24 100644
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -116,6 +116,7 @@ static __u32 ok_features[3] = {
static __u32 clear_ok_features[3] = {
EXT3_FEATURE_COMPAT_HAS_JOURNAL |
+ EXT2_FEATURE_COMPAT_RESIZE_INODE |
EXT2_FEATURE_COMPAT_DIR_INDEX, /* Compat */
EXT2_FEATURE_INCOMPAT_FILETYPE, /* Incompat */
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER /* R/O compat */
@@ -389,7 +390,9 @@ static void update_feature_set(ext2_filsys fs, char *features)
if (FEATURE_CHANGED(E2P_FEATURE_RO_INCOMPAT,
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER) ||
FEATURE_CHANGED(E2P_FEATURE_INCOMPAT,
- EXT2_FEATURE_INCOMPAT_FILETYPE)) {
+ EXT2_FEATURE_INCOMPAT_FILETYPE) ||
+ FEATURE_CHANGED(E2P_FEATURE_COMPAT,
+ EXT2_FEATURE_COMPAT_RESIZE_INODE)) {
sb->s_state &= ~EXT2_VALID_FS;
printf("\n%s\n", _(please_fsck));
}
-
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