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-rw-r--r--fs/reiserfs/super.c83
1 files changed, 60 insertions, 23 deletions
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index f723604..a10a6d2 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -876,7 +876,9 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin
mount options were selected. */
unsigned long *blocks, /* strtol-ed from NNN of resize=NNN */
char **jdev_name,
- unsigned int *commit_max_age)
+ unsigned int *commit_max_age,
+ char **qf_names,
+ unsigned int *qfmt)
{
int c;
char *arg = NULL;
@@ -992,7 +994,9 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin
if (c == 'u' || c == 'g') {
int qtype = c == 'u' ? USRQUOTA : GRPQUOTA;
- if (sb_any_quota_enabled(s)) {
+ if ((sb_any_quota_enabled(s) ||
+ sb_any_quota_suspended(s)) &&
+ (!*arg != !REISERFS_SB(s)->s_qf_names[qtype])) {
reiserfs_warning(s,
"reiserfs_parse_options: cannot change journaled quota options when quota turned on.");
return 0;
@@ -1011,30 +1015,39 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin
"reiserfs_parse_options: quotafile must be on filesystem root.");
return 0;
}
- REISERFS_SB(s)->s_qf_names[qtype] =
+ qf_names[qtype] =
kmalloc(strlen(arg) + 1, GFP_KERNEL);
- if (!REISERFS_SB(s)->s_qf_names[qtype]) {
+ if (!qf_names[qtype]) {
reiserfs_warning(s,
"reiserfs_parse_options: not enough memory for storing quotafile name.");
return 0;
}
- strcpy(REISERFS_SB(s)->s_qf_names[qtype], arg);
+ strcpy(qf_names[qtype], arg);
*mount_options |= 1 << REISERFS_QUOTA;
} else {
- kfree(REISERFS_SB(s)->s_qf_names[qtype]);
- REISERFS_SB(s)->s_qf_names[qtype] = NULL;
+ if (qf_names[qtype] !=
+ REISERFS_SB(s)->s_qf_names[qtype])
+ kfree(qf_names[qtype]);
+ qf_names[qtype] = NULL;
}
}
if (c == 'f') {
if (!strcmp(arg, "vfsold"))
- REISERFS_SB(s)->s_jquota_fmt = QFMT_VFS_OLD;
+ *qfmt = QFMT_VFS_OLD;
else if (!strcmp(arg, "vfsv0"))
- REISERFS_SB(s)->s_jquota_fmt = QFMT_VFS_V0;
+ *qfmt = QFMT_VFS_V0;
else {
reiserfs_warning(s,
"reiserfs_parse_options: unknown quota format specified.");
return 0;
}
+ if ((sb_any_quota_enabled(s) ||
+ sb_any_quota_suspended(s)) &&
+ *qfmt != REISERFS_SB(s)->s_jquota_fmt) {
+ reiserfs_warning(s,
+ "reiserfs_parse_options: cannot change journaled quota options when quota turned on.");
+ return 0;
+ }
}
#else
if (c == 'u' || c == 'g' || c == 'f') {
@@ -1046,9 +1059,8 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin
}
#ifdef CONFIG_QUOTA
- if (!REISERFS_SB(s)->s_jquota_fmt
- && (REISERFS_SB(s)->s_qf_names[USRQUOTA]
- || REISERFS_SB(s)->s_qf_names[GRPQUOTA])) {
+ if (!REISERFS_SB(s)->s_jquota_fmt && !*qfmt
+ && (qf_names[USRQUOTA] || qf_names[GRPQUOTA])) {
reiserfs_warning(s,
"reiserfs_parse_options: journaled quota format not specified.");
return 0;
@@ -1130,6 +1142,21 @@ static void handle_attrs(struct super_block *s)
}
}
+#ifdef CONFIG_QUOTA
+static void handle_quota_files(struct super_block *s, char **qf_names,
+ unsigned int *qfmt)
+{
+ int i;
+
+ for (i = 0; i < MAXQUOTAS; i++) {
+ if (qf_names[i] != REISERFS_SB(s)->s_qf_names[i])
+ kfree(REISERFS_SB(s)->s_qf_names[i]);
+ REISERFS_SB(s)->s_qf_names[i] = qf_names[i];
+ }
+ REISERFS_SB(s)->s_jquota_fmt = *qfmt;
+}
+#endif
+
static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
{
struct reiserfs_super_block *rs;
@@ -1141,23 +1168,30 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
struct reiserfs_journal *journal = SB_JOURNAL(s);
char *new_opts = kstrdup(arg, GFP_KERNEL);
int err;
+ char *qf_names[MAXQUOTAS];
+ unsigned int qfmt = 0;
#ifdef CONFIG_QUOTA
int i;
+
+ memcpy(qf_names, REISERFS_SB(s)->s_qf_names, sizeof(qf_names));
#endif
rs = SB_DISK_SUPER_BLOCK(s);
if (!reiserfs_parse_options
- (s, arg, &mount_options, &blocks, NULL, &commit_max_age)) {
+ (s, arg, &mount_options, &blocks, NULL, &commit_max_age,
+ qf_names, &qfmt)) {
#ifdef CONFIG_QUOTA
- for (i = 0; i < MAXQUOTAS; i++) {
- kfree(REISERFS_SB(s)->s_qf_names[i]);
- REISERFS_SB(s)->s_qf_names[i] = NULL;
- }
+ for (i = 0; i < MAXQUOTAS; i++)
+ if (qf_names[i] != REISERFS_SB(s)->s_qf_names[i])
+ kfree(qf_names[i]);
#endif
err = -EINVAL;
goto out_err;
}
+#ifdef CONFIG_QUOTA
+ handle_quota_files(s, qf_names, &qfmt);
+#endif
handle_attrs(s);
@@ -1570,6 +1604,8 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
char *jdev_name;
struct reiserfs_sb_info *sbi;
int errval = -EINVAL;
+ char *qf_names[MAXQUOTAS] = {};
+ unsigned int qfmt = 0;
save_mount_options(s, data);
@@ -1597,9 +1633,12 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
jdev_name = NULL;
if (reiserfs_parse_options
(s, (char *)data, &(sbi->s_mount_opt), &blocks, &jdev_name,
- &commit_max_age) == 0) {
+ &commit_max_age, qf_names, &qfmt) == 0) {
goto error;
}
+#ifdef CONFIG_QUOTA
+ handle_quota_files(s, qf_names, &qfmt);
+#endif
if (blocks) {
SWARN(silent, s, "jmacd-7: reiserfs_fill_super: resize option "
@@ -1819,7 +1858,7 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
return (0);
- error:
+error:
if (jinit_done) { /* kill the commit thread, free journal ram */
journal_release_error(NULL, s);
}
@@ -1830,10 +1869,8 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
#ifdef CONFIG_QUOTA
{
int j;
- for (j = 0; j < MAXQUOTAS; j++) {
- kfree(sbi->s_qf_names[j]);
- sbi->s_qf_names[j] = NULL;
- }
+ for (j = 0; j < MAXQUOTAS; j++)
+ kfree(qf_names[j]);
}
#endif
kfree(sbi);
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