#include <linux/blkdev.h>
#include <linux/buffer_head.h>
#include <linux/exportfs.h>
+#include <linux/quotaops.h>
#include <linux/vfs.h>
#include <linux/mnt_namespace.h>
#include <linux/mount.h>
#include <linux/namei.h>
-#include <linux/quotaops.h>
struct file_system_type reiserfs_fs_type;
reiserfs_sync_fs(s, 1);
}
-static void reiserfs_write_super_lockfs(struct super_block *s)
+static int reiserfs_freeze(struct super_block *s)
{
struct reiserfs_transaction_handle th;
reiserfs_write_lock(s);
}
s->s_dirt = 0;
reiserfs_write_unlock(s);
+ return 0;
}
-static void reiserfs_unlockfs(struct super_block *s)
+static int reiserfs_unfreeze(struct super_block *s)
{
reiserfs_allow_writes(s);
+ return 0;
}
extern const struct in_core_key MAX_IN_CORE_KEY;
int ret = reiserfs_quota_on_mount(s, i);
if (ret < 0)
reiserfs_warning(s,
- "reiserfs: cannot turn on journalled quota: error %d",
+ "reiserfs: cannot turn on journaled quota: error %d",
ret);
}
}
retval = remove_save_link_only(s, &save_link_key, 0);
continue;
}
- DQUOT_INIT(inode);
+ vfs_dq_init(inode);
if (truncate && S_ISDIR(inode->i_mode)) {
/* We got a truncate request for a dir which is impossible.
kmem_cache_free(reiserfs_inode_cachep, REISERFS_I(inode));
}
-static void init_once(struct kmem_cache * cachep, void *foo)
+static void init_once(void *foo)
{
struct reiserfs_inode_info *ei = (struct reiserfs_inode_info *)foo;
.put_super = reiserfs_put_super,
.write_super = reiserfs_write_super,
.sync_fs = reiserfs_sync_fs,
- .write_super_lockfs = reiserfs_write_super_lockfs,
- .unlockfs = reiserfs_unlockfs,
+ .freeze_fs = reiserfs_freeze,
+ .unfreeze_fs = reiserfs_unfreeze,
.statfs = reiserfs_statfs,
.remount_fs = reiserfs_remount,
.show_options = generic_show_options,
#ifdef CONFIG_QUOTA
#define QTYPE2NAME(t) ((t)==USRQUOTA?"user":"group")
-static int reiserfs_dquot_initialize(struct inode *, int);
-static int reiserfs_dquot_drop(struct inode *);
static int reiserfs_write_dquot(struct dquot *);
static int reiserfs_acquire_dquot(struct dquot *);
static int reiserfs_release_dquot(struct dquot *);
static int reiserfs_quota_on(struct super_block *, int, int, char *, int);
static struct dquot_operations reiserfs_quota_operations = {
- .initialize = reiserfs_dquot_initialize,
- .drop = reiserfs_dquot_drop,
+ .initialize = dquot_initialize,
+ .drop = dquot_drop,
.alloc_space = dquot_alloc_space,
.alloc_inode = dquot_alloc_inode,
.free_space = dquot_free_space,
.release_dquot = reiserfs_release_dquot,
.mark_dirty = reiserfs_mark_dquot_dirty,
.write_info = reiserfs_write_info,
+ .alloc_dquot = dquot_alloc,
+ .destroy_dquot = dquot_destroy,
};
static struct quotactl_ops reiserfs_qctl_operations = {
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;
if (c == 'u' || c == 'g') {
int qtype = c == 'u' ? USRQUOTA : GRPQUOTA;
- if (sb_any_quota_enabled(s)) {
+ if (sb_any_quota_loaded(s) &&
+ (!*arg != !REISERFS_SB(s)->s_qf_names[qtype])) {
reiserfs_warning(s,
- "reiserfs_parse_options: cannot change journalled quota options when quota turned on.");
+ "reiserfs_parse_options: cannot change journaled quota options when quota turned on.");
return 0;
}
if (*arg) { /* Some filename specified? */
"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_loaded(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') {
reiserfs_warning(s,
- "reiserfs_parse_options: journalled quota options not supported.");
+ "reiserfs_parse_options: journaled quota options not supported.");
return 0;
}
#endif
}
#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: journalled quota format not specified.");
+ "reiserfs_parse_options: journaled quota format not specified.");
return 0;
}
/* This checking is not precise wrt the quota type but for our purposes it is sufficient */
if (!(*mount_options & (1 << REISERFS_QUOTA))
- && sb_any_quota_enabled(s)) {
+ && sb_any_quota_loaded(s)) {
reiserfs_warning(s,
"reiserfs_parse_options: quota options must be present when quota is turned on.");
return 0;
}
}
+#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;
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);
char *jdev_name;
struct reiserfs_sb_info *sbi;
int errval = -EINVAL;
+ char *qf_names[MAXQUOTAS] = {};
+ unsigned int qfmt = 0;
save_mount_options(s, data);
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 "
return (0);
- error:
+error:
if (jinit_done) { /* kill the commit thread, free journal ram */
journal_release_error(NULL, s);
}
#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);
}
#ifdef CONFIG_QUOTA
-static int reiserfs_dquot_initialize(struct inode *inode, int type)
-{
- struct reiserfs_transaction_handle th;
- int ret, err;
-
- /* We may create quota structure so we need to reserve enough blocks */
- reiserfs_write_lock(inode->i_sb);
- ret =
- journal_begin(&th, inode->i_sb,
- 2 * REISERFS_QUOTA_INIT_BLOCKS(inode->i_sb));
- if (ret)
- goto out;
- ret = dquot_initialize(inode, type);
- err =
- journal_end(&th, inode->i_sb,
- 2 * REISERFS_QUOTA_INIT_BLOCKS(inode->i_sb));
- if (!ret && err)
- ret = err;
- out:
- reiserfs_write_unlock(inode->i_sb);
- return ret;
-}
-
-static int reiserfs_dquot_drop(struct inode *inode)
-{
- struct reiserfs_transaction_handle th;
- int ret, err;
-
- /* We may delete quota structure so we need to reserve enough blocks */
- reiserfs_write_lock(inode->i_sb);
- ret =
- journal_begin(&th, inode->i_sb,
- 2 * REISERFS_QUOTA_DEL_BLOCKS(inode->i_sb));
- if (ret) {
- /*
- * We call dquot_drop() anyway to at least release references
- * to quota structures so that umount does not hang.
- */
- dquot_drop(inode);
- goto out;
- }
- ret = dquot_drop(inode);
- err =
- journal_end(&th, inode->i_sb,
- 2 * REISERFS_QUOTA_DEL_BLOCKS(inode->i_sb));
- if (!ret && err)
- ret = err;
- out:
- reiserfs_write_unlock(inode->i_sb);
- return ret;
-}
-
static int reiserfs_write_dquot(struct dquot *dquot)
{
struct reiserfs_transaction_handle th;
static int reiserfs_mark_dquot_dirty(struct dquot *dquot)
{
- /* Are we journalling quotas? */
+ /* Are we journaling quotas? */
if (REISERFS_SB(dquot->dq_sb)->s_qf_names[USRQUOTA] ||
REISERFS_SB(dquot->dq_sb)->s_qf_names[GRPQUOTA]) {
dquot_mark_dquot_dirty(dquot);
* Standard function to be called on quota_on
*/
static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
- char *path, int remount)
+ char *name, int remount)
{
int err;
- struct nameidata nd;
+ struct path path;
struct inode *inode;
struct reiserfs_transaction_handle th;
return -EINVAL;
/* No more checks needed? Path and format_id are bogus anyway... */
if (remount)
- return vfs_quota_on(sb, type, format_id, path, 1);
- err = path_lookup(path, LOOKUP_FOLLOW, &nd);
+ return vfs_quota_on(sb, type, format_id, name, 1);
+ err = kern_path(name, LOOKUP_FOLLOW, &path);
if (err)
return err;
/* Quotafile not on the same filesystem? */
- if (nd.path.mnt->mnt_sb != sb) {
- path_put(&nd.path);
- return -EXDEV;
+ if (path.mnt->mnt_sb != sb) {
+ err = -EXDEV;
+ goto out;
}
- inode = nd.path.dentry->d_inode;
+ inode = path.dentry->d_inode;
/* We must not pack tails for quota files on reiserfs for quota IO to work */
if (!(REISERFS_I(inode)->i_flags & i_nopack_mask)) {
err = reiserfs_unpack(inode, NULL);
reiserfs_warning(sb,
"reiserfs: Unpacking tail of quota file failed"
" (%d). Cannot turn on quotas.", err);
- path_put(&nd.path);
- return -EINVAL;
+ err = -EINVAL;
+ goto out;
}
mark_inode_dirty(inode);
}
/* Journaling quota? */
if (REISERFS_SB(sb)->s_qf_names[type]) {
/* Quotafile not of fs root? */
- if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
+ if (path.dentry->d_parent != sb->s_root)
reiserfs_warning(sb,
"reiserfs: Quota file not on filesystem root. "
"Journalled quota will not work.");
/* Just start temporary transaction and finish it */
err = journal_begin(&th, sb, 1);
if (err)
- return err;
+ goto out;
err = journal_end_sync(&th, sb, 1);
if (err)
- return err;
+ goto out;
}
- path_put(&nd.path);
- return vfs_quota_on(sb, type, format_id, path, 0);
+ err = vfs_quota_on_path(sb, type, format_id, &path);
+out:
+ path_put(&path);
+ return err;
}
/* Read data from quotafile - avoid pagecache and such because we cannot afford
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff