Signed-off-by: Andrew Morton --- fs/ext4/super.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff -puN fs/ext4/super.c~ext4-ext4_noextent_mount_opt fs/ext4/super.c --- a/fs/ext4/super.c~ext4-ext4_noextent_mount_opt +++ a/fs/ext4/super.c @@ -725,7 +725,7 @@ 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 = { @@ -776,6 +776,7 @@ static match_table_t tokens = { {Opt_usrquota, "usrquota"}, {Opt_barrier, "barrier=%u"}, {Opt_extents, "extents"}, + {Opt_noextents, "noextents"}, {Opt_err, NULL}, {Opt_resize, "resize"}, }; @@ -1111,6 +1112,9 @@ 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\" " _