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Diffstat (limited to 'fs/reiserfs/super.c')
-rw-r--r--fs/reiserfs/super.c88
1 files changed, 49 insertions, 39 deletions
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 59125fb36d42..0aab04f46827 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -28,7 +28,6 @@
#include <linux/mount.h>
#include <linux/namei.h>
#include <linux/crc32.h>
-#include <linux/smp_lock.h>
struct file_system_type reiserfs_fs_type;
@@ -158,6 +157,7 @@ static int finish_unfinished(struct super_block *s)
#ifdef CONFIG_QUOTA
int i;
int ms_active_set;
+ int quota_enabled[MAXQUOTAS];
#endif
/* compose key to look for "save" links */
@@ -179,8 +179,15 @@ static int finish_unfinished(struct super_block *s)
}
/* Turn on quotas so that they are updated correctly */
for (i = 0; i < MAXQUOTAS; i++) {
+ quota_enabled[i] = 1;
if (REISERFS_SB(s)->s_qf_names[i]) {
- int ret = reiserfs_quota_on_mount(s, i);
+ int ret;
+
+ if (sb_has_quota_active(s, i)) {
+ quota_enabled[i] = 0;
+ continue;
+ }
+ ret = reiserfs_quota_on_mount(s, i);
if (ret < 0)
reiserfs_warning(s, "reiserfs-2500",
"cannot turn on journaled "
@@ -304,8 +311,8 @@ static int finish_unfinished(struct super_block *s)
#ifdef CONFIG_QUOTA
/* Turn quotas off */
for (i = 0; i < MAXQUOTAS; i++) {
- if (sb_dqopt(s)->files[i])
- vfs_quota_off(s, i, 0);
+ if (sb_dqopt(s)->files[i] && quota_enabled[i])
+ dquot_quota_off(s, i);
}
if (ms_active_set)
/* Restore the flag back */
@@ -466,6 +473,8 @@ static void reiserfs_put_super(struct super_block *s)
struct reiserfs_transaction_handle th;
th.t_trans_id = 0;
+ dquot_disable(s, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
+
reiserfs_write_lock(s);
if (s->s_dirt)
@@ -515,14 +524,23 @@ static struct inode *reiserfs_alloc_inode(struct super_block *sb)
kmem_cache_alloc(reiserfs_inode_cachep, GFP_KERNEL);
if (!ei)
return NULL;
+ atomic_set(&ei->openers, 0);
+ mutex_init(&ei->tailpack);
return &ei->vfs_inode;
}
-static void reiserfs_destroy_inode(struct inode *inode)
+static void reiserfs_i_callback(struct rcu_head *head)
{
+ struct inode *inode = container_of(head, struct inode, i_rcu);
+ INIT_LIST_HEAD(&inode->i_dentry);
kmem_cache_free(reiserfs_inode_cachep, REISERFS_I(inode));
}
+static void reiserfs_destroy_inode(struct inode *inode)
+{
+ call_rcu(&inode->i_rcu, reiserfs_i_callback);
+}
+
static void init_once(void *foo)
{
struct reiserfs_inode_info *ei = (struct reiserfs_inode_info *)foo;
@@ -579,11 +597,6 @@ out:
reiserfs_write_unlock_once(inode->i_sb, lock_depth);
}
-static void reiserfs_clear_inode(struct inode *inode)
-{
- dquot_drop(inode);
-}
-
#ifdef CONFIG_QUOTA
static ssize_t reiserfs_quota_write(struct super_block *, int, const char *,
size_t, loff_t);
@@ -596,8 +609,7 @@ static const struct super_operations reiserfs_sops = {
.destroy_inode = reiserfs_destroy_inode,
.write_inode = reiserfs_write_inode,
.dirty_inode = reiserfs_dirty_inode,
- .clear_inode = reiserfs_clear_inode,
- .delete_inode = reiserfs_delete_inode,
+ .evict_inode = reiserfs_evict_inode,
.put_super = reiserfs_put_super,
.write_super = reiserfs_write_super,
.sync_fs = reiserfs_sync_fs,
@@ -620,7 +632,7 @@ static int reiserfs_acquire_dquot(struct dquot *);
static int reiserfs_release_dquot(struct dquot *);
static int reiserfs_mark_dquot_dirty(struct dquot *);
static int reiserfs_write_info(struct super_block *, int);
-static int reiserfs_quota_on(struct super_block *, int, int, char *, int);
+static int reiserfs_quota_on(struct super_block *, int, int, struct path *);
static const struct dquot_operations reiserfs_quota_operations = {
.write_dquot = reiserfs_write_dquot,
@@ -634,12 +646,12 @@ static const struct dquot_operations reiserfs_quota_operations = {
static const struct quotactl_ops reiserfs_qctl_operations = {
.quota_on = reiserfs_quota_on,
- .quota_off = vfs_quota_off,
- .quota_sync = vfs_quota_sync,
- .get_info = vfs_get_dqinfo,
- .set_info = vfs_set_dqinfo,
- .get_dqblk = vfs_get_dqblk,
- .set_dqblk = vfs_set_dqblk,
+ .quota_off = dquot_quota_off,
+ .quota_sync = dquot_quota_sync,
+ .get_info = dquot_get_dqinfo,
+ .set_info = dquot_set_dqinfo,
+ .get_dqblk = dquot_get_dqblk,
+ .set_dqblk = dquot_set_dqblk,
};
#endif
@@ -1242,6 +1254,11 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
if (s->s_flags & MS_RDONLY)
/* it is read-only already */
goto out_ok;
+
+ err = dquot_suspend(s, -1);
+ if (err < 0)
+ goto out_err;
+
/* try to remount file system with read-only permissions */
if (sb_umount_state(rs) == REISERFS_VALID_FS
|| REISERFS_SB(s)->s_mount_state != REISERFS_VALID_FS) {
@@ -1295,6 +1312,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
s->s_dirt = 0;
if (!(*mount_flags & MS_RDONLY)) {
+ dquot_resume(s, -1);
finish_unfinished(s);
reiserfs_xattr_init(s, *mount_flags);
}
@@ -2022,35 +2040,29 @@ static int reiserfs_write_info(struct super_block *sb, int type)
*/
static int reiserfs_quota_on_mount(struct super_block *sb, int type)
{
- return vfs_quota_on_mount(sb, REISERFS_SB(sb)->s_qf_names[type],
- REISERFS_SB(sb)->s_jquota_fmt, type);
+ return dquot_quota_on_mount(sb, REISERFS_SB(sb)->s_qf_names[type],
+ REISERFS_SB(sb)->s_jquota_fmt, type);
}
/*
* Standard function to be called on quota_on
*/
static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
- char *name, int remount)
+ struct path *path)
{
int err;
- struct path path;
struct inode *inode;
struct reiserfs_transaction_handle th;
if (!(REISERFS_SB(sb)->s_mount_opt & (1 << REISERFS_QUOTA)))
return -EINVAL;
- /* No more checks needed? Path and format_id are bogus anyway... */
- if (remount)
- 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 (path.mnt->mnt_sb != sb) {
+ if (path->mnt->mnt_sb != sb) {
err = -EXDEV;
goto out;
}
- inode = 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);
@@ -2066,7 +2078,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
/* Journaling quota? */
if (REISERFS_SB(sb)->s_qf_names[type]) {
/* Quotafile not of fs root? */
- if (path.dentry->d_parent != sb->s_root)
+ if (path->dentry->d_parent != sb->s_root)
reiserfs_warning(sb, "super-6521",
"Quota file not on filesystem root. "
"Journalled quota will not work.");
@@ -2085,9 +2097,8 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
if (err)
goto out;
}
- err = vfs_quota_on_path(sb, type, format_id, &path);
+ err = dquot_quota_on(sb, type, format_id, path);
out:
- path_put(&path);
return err;
}
@@ -2203,12 +2214,11 @@ out:
#endif
-static int get_super_block(struct file_system_type *fs_type,
+static struct dentry *get_super_block(struct file_system_type *fs_type,
int flags, const char *dev_name,
- void *data, struct vfsmount *mnt)
+ void *data)
{
- return get_sb_bdev(fs_type, flags, dev_name, data, reiserfs_fill_super,
- mnt);
+ return mount_bdev(fs_type, flags, dev_name, data, reiserfs_fill_super);
}
static int __init init_reiserfs_fs(void)
@@ -2243,7 +2253,7 @@ static void __exit exit_reiserfs_fs(void)
struct file_system_type reiserfs_fs_type = {
.owner = THIS_MODULE,
.name = "reiserfs",
- .get_sb = get_super_block,
+ .mount = get_super_block,
.kill_sb = reiserfs_kill_sb,
.fs_flags = FS_REQUIRES_DEV,
};
generated by cgit v1.2.3 (git 2.39.0) at 2025-12-15 21:41:07 +0300