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ext4: deprecate obsoleted mount options 

Declare following list of mount options as deprecated:
 - bsddf, miniddf
 - grpid, bsdgroups, nogrpid, sysvgroups

Declare following list of default mount options as deprecated:
 - bsdgroups

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Dmitry Monakhov 2010-03-01 22:29:21 -05:00 committed by Theodore Ts'o
parent cc483f102c
commit 437ca0fda3
1 changed files with 13 additions and 1 deletions
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14
fs/ext4/super.c
View File

@ -1205,6 +1205,8 @@ static ext4_fsblk_t get_sb_block(void **data)
}
#define DEFAULT_JOURNAL_IOPRIO (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 3))
static char deprecated_msg[] = "Mount option \"%s\" will be removed by %s\n"
"Contact linux-ext4@vger.kernel.org if you think we should keep it.\n";
#ifdef CONFIG_QUOTA
static int set_qf_name(struct super_block *sb, int qtype, substring_t *args)
@ -1294,16 +1296,23 @@ static int parse_options(char *options, struct super_block *sb,
token = match_token(p, tokens, args);
switch (token) {
case Opt_bsd_df:
ext4_msg(sb, KERN_WARNING, deprecated_msg, p, "2.6.38");
clear_opt(sbi->s_mount_opt, MINIX_DF);
break;
case Opt_minix_df:
ext4_msg(sb, KERN_WARNING, deprecated_msg, p, "2.6.38");
set_opt(sbi->s_mount_opt, MINIX_DF);
break;
case Opt_grpid:
ext4_msg(sb, KERN_WARNING, deprecated_msg, p, "2.6.38");
set_opt(sbi->s_mount_opt, GRPID);
break;
case Opt_nogrpid:
ext4_msg(sb, KERN_WARNING, deprecated_msg, p, "2.6.38");
clear_opt(sbi->s_mount_opt, GRPID);
break;
case Opt_resuid:
if (match_int(&args[0], &option))
@ -2449,8 +2458,11 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
def_mount_opts = le32_to_cpu(es->s_default_mount_opts);
if (def_mount_opts & EXT4_DEFM_DEBUG)
set_opt(sbi->s_mount_opt, DEBUG);
if (def_mount_opts & EXT4_DEFM_BSDGROUPS)
if (def_mount_opts & EXT4_DEFM_BSDGROUPS) {
ext4_msg(sb, KERN_WARNING, deprecated_msg, "bsdgroups",
"2.6.38");
set_opt(sbi->s_mount_opt, GRPID);
}
if (def_mount_opts & EXT4_DEFM_UID16)
set_opt(sbi->s_mount_opt, NO_UID32);
#ifdef CONFIG_EXT4_FS_XATTR