Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1e2462f93e011f63fd0f1fedd2c05338ca6b31c2
Commit: 1e2462f93e011f63fd0f1fedd2c05338ca6b31c2
Parent: 749269facaf87f6e516c3af12763e03181b9c139
Author: Mingming Cao <[EMAIL PROTECTED]>
AuthorDate: Wed Jul 18 09:00:55 2007 -0400
Committer: Theodore Ts'o <[EMAIL PROTECTED]>
CommitDate: Wed Jul 18 09:00:55 2007 -0400
ext4: Enable extents by default
Turn on extents feature by default in ext4 filesystem, to get wider
testing of extents feature in ext4dev. This can be disabled using
-o noextents.
Signed-off-by: Mingming Cao <[EMAIL PROTECTED]>
Signed-off-by: "Theodore Ts'o" <[EMAIL PROTECTED]>
---
fs/ext4/super.c | 12 +++++++++++-
1 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index b806e68..9c8baf4 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -734,7 +734,7 @@ enum {
Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
- Opt_grpquota, Opt_extents,
+ Opt_grpquota, Opt_extents, Opt_noextents,
};
static match_table_t tokens = {
@@ -785,6 +785,7 @@ static match_table_t tokens = {
{Opt_usrquota, "usrquota"},
{Opt_barrier, "barrier=%u"},
{Opt_extents, "extents"},
+ {Opt_noextents, "noextents"},
{Opt_err, NULL},
{Opt_resize, "resize"},
};
@@ -1120,6 +1121,9 @@ clear_qf_name:
case Opt_extents:
set_opt (sbi->s_mount_opt, EXTENTS);
break;
+ case Opt_noextents:
+ clear_opt (sbi->s_mount_opt, EXTENTS);
+ break;
default:
printk (KERN_ERR
"EXT4-fs: Unrecognized mount option \"%s\" "
@@ -1551,6 +1555,12 @@ static int ext4_fill_super (struct super_block *sb, void
*data, int silent)
set_opt(sbi->s_mount_opt, RESERVATION);
+ /*
+ * turn on extents feature by default in ext4 filesystem
+ * User -o noextents to turn it off
+ */
+ set_opt(sbi->s_mount_opt, EXTENTS);
+
if (!parse_options ((char *) data, sb, &journal_inum, &journal_devnum,
NULL, 0))
goto failed_mount;
-
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