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ext4: Enable the multiblock allocator by default

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Enable the multiblock allocator by default.

Fix ext4_show_options() so if it is not enabled, the nomballoc option
included in /proc/mounts.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Aneesh Kumar K.V 2008-01-28 23:58:26 -05:00 committed by Theodore Ts'o
parent c9de560ded
commit 3dbd0ede4d
1 changed files with 7 additions and 0 deletions
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7
fs/ext4/super.c
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@ -736,6 +736,8 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
seq_puts(seq, ",nobh");
if (!test_opt(sb, EXTENTS))
seq_puts(seq, ",noextents");
if (!test_opt(sb, MBALLOC))
seq_puts(seq, ",nomballoc");
if (test_opt(sb, I_VERSION))
seq_puts(seq, ",i_version");
@ -1903,6 +1905,11 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
* User -o noextents to turn it off
*/
set_opt(sbi->s_mount_opt, EXTENTS);
/*
* turn on mballoc feature by default in ext4 filesystem
* User -o nomballoc to turn it off
*/
set_opt(sbi->s_mount_opt, MBALLOC);
if (!parse_options ((char *) data, sb, &journal_inum, &journal_devnum,
NULL, 0))