#include <linux/mnt_namespace.h>
#include <linux/mount.h>
#include <linux/namei.h>
+#include <linux/crc32.h>
+#include <linux/smp_lock.h>
struct file_system_type reiserfs_fs_type;
static int reiserfs_sync_fs(struct super_block *s, int wait)
{
- if (!(s->s_flags & MS_RDONLY)) {
- struct reiserfs_transaction_handle th;
- reiserfs_write_lock(s);
- if (!journal_begin(&th, s, 1))
- if (!journal_end_sync(&th, s, 1))
- reiserfs_flush_old_commits(s);
- s->s_dirt = 0; /* Even if it's not true.
- * We'll loop forever in sync_supers otherwise */
- reiserfs_write_unlock(s);
- } else {
- s->s_dirt = 0;
- }
+ struct reiserfs_transaction_handle th;
+
+ reiserfs_write_lock(s);
+ if (!journal_begin(&th, s, 1))
+ if (!journal_end_sync(&th, s, 1))
+ reiserfs_flush_old_commits(s);
+ s->s_dirt = 0; /* Even if it's not true.
+ * We'll loop forever in sync_supers otherwise */
+ reiserfs_write_unlock(s);
return 0;
}
while (!retval) {
retval = search_item(s, &max_cpu_key, &path);
if (retval != ITEM_NOT_FOUND) {
- reiserfs_warning(s, "vs-2140",
- "search_by_key returned %d",
- retval);
+ reiserfs_error(s, "vs-2140",
+ "search_by_key returned %d", retval);
break;
}
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.
retval = search_item(inode->i_sb, &key, &path);
if (retval != ITEM_NOT_FOUND) {
if (retval != -ENOSPC)
- reiserfs_warning(inode->i_sb, "vs-2100",
- "search_by_key (%K) returned %d", &key,
- retval);
+ reiserfs_error(inode->i_sb, "vs-2100",
+ "search_by_key (%K) returned %d", &key,
+ retval);
pathrelse(&path);
return;
}
reiserfs_insert_item(th, &path, &key, &ih, NULL, (char *)&link);
if (retval) {
if (retval != -ENOSPC)
- reiserfs_warning(inode->i_sb, "vs-2120",
- "insert_item returned %d", retval);
+ reiserfs_error(inode->i_sb, "vs-2120",
+ "insert_item returned %d", retval);
} else {
if (truncate)
REISERFS_I(inode)->i_flags |=
static void reiserfs_kill_sb(struct super_block *s)
{
if (REISERFS_SB(s)) {
-#ifdef CONFIG_REISERFS_FS_XATTR
if (REISERFS_SB(s)->xattr_root) {
d_invalidate(REISERFS_SB(s)->xattr_root);
dput(REISERFS_SB(s)->xattr_root);
REISERFS_SB(s)->xattr_root = NULL;
}
-#endif
if (REISERFS_SB(s)->priv_root) {
d_invalidate(REISERFS_SB(s)->priv_root);
dput(REISERFS_SB(s)->priv_root);
struct reiserfs_transaction_handle th;
th.t_trans_id = 0;
+ lock_kernel();
+
+ if (s->s_dirt)
+ reiserfs_write_super(s);
+
/* change file system state to current state if it was mounted with read-write permissions */
if (!(s->s_flags & MS_RDONLY)) {
if (!journal_begin(&th, s, 10)) {
kfree(s->s_fs_info);
s->s_fs_info = NULL;
- return;
+ unlock_kernel();
}
static struct kmem_cache *reiserfs_inode_cachep;
INIT_LIST_HEAD(&ei->i_prealloc_list);
inode_init_once(&ei->vfs_inode);
-#ifdef CONFIG_REISERFS_FS_POSIX_ACL
- ei->i_acl_access = NULL;
- ei->i_acl_default = NULL;
-#endif
}
static int init_inodecache(void)
reiserfs_write_unlock(inode->i_sb);
}
-#ifdef CONFIG_REISERFS_FS_POSIX_ACL
-static void reiserfs_clear_inode(struct inode *inode)
-{
- struct posix_acl *acl;
-
- acl = REISERFS_I(inode)->i_acl_access;
- if (acl && !IS_ERR(acl))
- posix_acl_release(acl);
- REISERFS_I(inode)->i_acl_access = NULL;
-
- acl = REISERFS_I(inode)->i_acl_default;
- if (acl && !IS_ERR(acl))
- posix_acl_release(acl);
- REISERFS_I(inode)->i_acl_default = NULL;
-}
-#else
-#define reiserfs_clear_inode NULL
-#endif
-
#ifdef CONFIG_QUOTA
static ssize_t reiserfs_quota_write(struct super_block *, int, const char *,
size_t, loff_t);
.write_inode = reiserfs_write_inode,
.dirty_inode = reiserfs_dirty_inode,
.delete_inode = reiserfs_delete_inode,
- .clear_inode = reiserfs_clear_inode,
.put_super = reiserfs_put_super,
.write_super = reiserfs_write_super,
.sync_fs = reiserfs_sync_fs,
#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,
char **opt_arg, unsigned long *bit_flags)
{
char *p;
- /* foo=bar,
+ /* foo=bar,
^ ^ ^
| | +-- option_end
| +-- arg_start
{"conv",.setmask = 1 << REISERFS_CONVERT},
{"attrs",.setmask = 1 << REISERFS_ATTRS},
{"noattrs",.clrmask = 1 << REISERFS_ATTRS},
+ {"expose_privroot", .setmask = 1 << REISERFS_EXPOSE_PRIVROOT},
#ifdef CONFIG_REISERFS_FS_XATTR
{"user_xattr",.setmask = 1 << REISERFS_XATTRS_USER},
{"nouser_xattr",.clrmask = 1 << REISERFS_XATTRS_USER},
memcpy(qf_names, REISERFS_SB(s)->s_qf_names, sizeof(qf_names));
#endif
+ lock_kernel();
rs = SB_DISK_SUPER_BLOCK(s);
if (!reiserfs_parse_options
}
out_ok:
- kfree(s->s_options);
- s->s_options = new_opts;
+ replace_mount_options(s, new_opts);
+ unlock_kernel();
return 0;
out_err:
kfree(new_opts);
+ unlock_kernel();
return err;
}
}
//
// ok, reiserfs signature (old or new) found in at the given offset
- //
+ //
fs_blocksize = sb_blocksize(rs);
brelse(bh);
sb_set_blocksize(s, fs_blocksize);
code = find_hash_out(s);
if (code != UNSET_HASH && reiserfs_hash_detect(s)) {
- /* detection has found the hash, and we must check against the
- ** mount options
+ /* detection has found the hash, and we must check against the
+ ** mount options
*/
if (reiserfs_rupasov_hash(s) && code != YURA_HASH) {
reiserfs_warning(s, "reiserfs-2507",
}
}
- /* if we are mounted RW, and we have a new valid hash code, update
+ /* if we are mounted RW, and we have a new valid hash code, update
** the super
*/
if (code != UNSET_HASH &&
REISERFS_SB(s)->s_alloc_options.preallocmin = 0;
/* Preallocate by 16 blocks (17-1) at once */
REISERFS_SB(s)->s_alloc_options.preallocsize = 17;
-#ifdef CONFIG_REISERFS_FS_XATTR
- /* Initialize the rwsem for xattr dir */
- init_rwsem(&REISERFS_SB(s)->xattr_dir_sem);
-#endif
/* setup default block allocator options */
reiserfs_init_alloc_options(s);
goto error;
}
- if ((errval = reiserfs_xattr_init(s, s->s_flags))) {
+ if ((errval = reiserfs_lookup_privroot(s)) ||
+ (errval = reiserfs_xattr_init(s, s->s_flags))) {
dput(s->s_root);
s->s_root = NULL;
goto error;
reiserfs_info(s, "using 3.5.x disk format\n");
}
- if ((errval = reiserfs_xattr_init(s, s->s_flags))) {
+ if ((errval = reiserfs_lookup_privroot(s)) ||
+ (errval = reiserfs_xattr_init(s, s->s_flags))) {
dput(s->s_root);
s->s_root = NULL;
goto error;
buf->f_bsize = dentry->d_sb->s_blocksize;
/* changed to accommodate gcc folks. */
buf->f_type = REISERFS_SUPER_MAGIC;
+ buf->f_fsid.val[0] = (u32)crc32_le(0, rs->s_uuid, sizeof(rs->s_uuid)/2);
+ buf->f_fsid.val[1] = (u32)crc32_le(0, rs->s_uuid + sizeof(rs->s_uuid)/2,
+ sizeof(rs->s_uuid)/2);
+
return 0;
}
#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;
return ret;
}
- if ((ret = reiserfs_xattr_register_handlers()))
- goto failed_reiserfs_xattr_register_handlers;
-
reiserfs_proc_info_global_init();
reiserfs_proc_register_global("version",
reiserfs_global_version_in_proc);
return 0;
}
- reiserfs_xattr_unregister_handlers();
-
- failed_reiserfs_xattr_register_handlers:
reiserfs_proc_unregister_global("version");
reiserfs_proc_info_global_done();
destroy_inodecache();
static void __exit exit_reiserfs_fs(void)
{
- reiserfs_xattr_unregister_handlers();
reiserfs_proc_unregister_global("version");
reiserfs_proc_info_global_done();
unregister_filesystem(&reiserfs_fs_type);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff