#include <linux/parser.h>
#include <linux/completion.h>
#include <linux/vfs.h>
+#include <linux/mount.h>
#include <linux/moduleparam.h>
+#include <linux/kthread.h>
+#include <linux/posix_acl.h>
#include <asm/uaccess.h>
+#include <linux/seq_file.h>
#include "jfs_incore.h"
#include "jfs_filsys.h"
+#include "jfs_inode.h"
#include "jfs_metapage.h"
#include "jfs_superblock.h"
#include "jfs_dmap.h"
module_param(commit_threads, int, 0);
MODULE_PARM_DESC(commit_threads, "Number of commit threads");
-int jfs_stop_threads;
-static pid_t jfsIOthread;
-static pid_t jfsCommitThread[MAX_COMMIT_THREADS];
-static pid_t jfsSyncThread;
-DECLARE_COMPLETION(jfsIOwait);
+static struct task_struct *jfsCommitThread[MAX_COMMIT_THREADS];
+struct task_struct *jfsIOthread;
+struct task_struct *jfsSyncThread;
#ifdef CONFIG_JFS_DEBUG
int jfsloglevel = JFS_LOGLEVEL_WARN;
MODULE_PARM_DESC(jfsloglevel, "Specify JFS loglevel (0, 1 or 2)");
#endif
-/*
- * External declarations
- */
-extern int jfs_mount(struct super_block *);
-extern int jfs_mount_rw(struct super_block *, int);
-extern int jfs_umount(struct super_block *);
-extern int jfs_umount_rw(struct super_block *);
-
-extern int jfsIOWait(void *);
-extern int jfs_lazycommit(void *);
-extern int jfs_sync(void *);
-
-extern void jfs_read_inode(struct inode *inode);
-extern void jfs_dirty_inode(struct inode *inode);
-extern void jfs_delete_inode(struct inode *inode);
-extern int jfs_write_inode(struct inode *inode, int wait);
-
-extern struct dentry *jfs_get_parent(struct dentry *dentry);
-extern int jfs_extendfs(struct super_block *, s64, int);
-
-extern struct dentry_operations jfs_ci_dentry_operations;
-
-#ifdef PROC_FS_JFS /* see jfs_debug.h */
-extern void jfs_proc_init(void);
-extern void jfs_proc_clean(void);
-#endif
-
-extern wait_queue_head_t jfs_IO_thread_wait;
-extern wait_queue_head_t jfs_commit_thread_wait;
-extern wait_queue_head_t jfs_sync_thread_wait;
-
static void jfs_handle_error(struct super_block *sb)
{
struct jfs_sb_info *sbi = JFS_SBI(sb);
{
struct jfs_inode_info *ji = JFS_IP(inode);
+ BUG_ON(!list_empty(&ji->anon_inode_list));
+
spin_lock_irq(&ji->ag_lock);
if (ji->active_ag != -1) {
struct bmap *bmap = JFS_SBI(inode->i_sb)->bmap;
kmem_cache_free(jfs_inode_cachep, ji);
}
-static int jfs_statfs(struct super_block *sb, struct kstatfs *buf)
+static int jfs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
- struct jfs_sb_info *sbi = JFS_SBI(sb);
+ struct jfs_sb_info *sbi = JFS_SBI(dentry->d_sb);
s64 maxinodes;
struct inomap *imap = JFS_IP(sbi->ipimap)->i_imap;
enum {
Opt_integrity, Opt_nointegrity, Opt_iocharset, Opt_resize,
- Opt_resize_nosize, Opt_errors, Opt_ignore, Opt_err,
+ Opt_resize_nosize, Opt_errors, Opt_ignore, Opt_err, Opt_quota,
+ Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask
};
static match_table_t tokens = {
{Opt_errors, "errors=%s"},
{Opt_ignore, "noquota"},
{Opt_ignore, "quota"},
- {Opt_ignore, "usrquota"},
- {Opt_ignore, "grpquota"},
+ {Opt_usrquota, "usrquota"},
+ {Opt_grpquota, "grpquota"},
+ {Opt_uid, "uid=%u"},
+ {Opt_gid, "gid=%u"},
+ {Opt_umask, "umask=%u"},
{Opt_err, NULL}
};
}
break;
}
+
+#if defined(CONFIG_QUOTA)
+ case Opt_quota:
+ case Opt_usrquota:
+ *flag |= JFS_USRQUOTA;
+ break;
+ case Opt_grpquota:
+ *flag |= JFS_GRPQUOTA;
+ break;
+#else
+ case Opt_usrquota:
+ case Opt_grpquota:
+ case Opt_quota:
+ printk(KERN_ERR
+ "JFS: quota operations not supported\n");
+ break;
+#endif
+ case Opt_uid:
+ {
+ char *uid = args[0].from;
+ sbi->uid = simple_strtoul(uid, &uid, 0);
+ break;
+ }
+ case Opt_gid:
+ {
+ char *gid = args[0].from;
+ sbi->gid = simple_strtoul(gid, &gid, 0);
+ break;
+ }
+ case Opt_umask:
+ {
+ char *umask = args[0].from;
+ sbi->umask = simple_strtoul(umask, &umask, 8);
+ if (sbi->umask & ~0777) {
+ printk(KERN_ERR
+ "JFS: Invalid value of umask\n");
+ goto cleanup;
+ }
+ break;
+ }
default:
printk("jfs: Unrecognized mount option \"%s\" "
" or missing value\n", p);
if (!new_valid_dev(sb->s_bdev->bd_dev))
return -EOVERFLOW;
- sbi = kmalloc(sizeof (struct jfs_sb_info), GFP_KERNEL);
+ sbi = kzalloc(sizeof (struct jfs_sb_info), GFP_KERNEL);
if (!sbi)
return -ENOSPC;
- memset(sbi, 0, sizeof (struct jfs_sb_info));
sb->s_fs_info = sbi;
sbi->sb = sb;
+ sbi->uid = sbi->gid = sbi->umask = -1;
/* initialize the mount flag and determine the default error handler */
flag = JFS_ERR_REMOUNT_RO;
inode->i_nlink = 1;
inode->i_size = sb->s_bdev->bd_inode->i_size;
inode->i_mapping->a_ops = &jfs_metapage_aops;
+ insert_inode_hash(inode);
mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
sbi->direct_inode = inode;
jfs_err("jfs_umount failed with return code %d", rc);
}
out_mount_failed:
- filemap_fdatawrite(sbi->direct_inode->i_mapping);
- filemap_fdatawait(sbi->direct_inode->i_mapping);
+ filemap_write_and_wait(sbi->direct_inode->i_mapping);
truncate_inode_pages(sbi->direct_inode->i_mapping, 0);
make_bad_inode(sbi->direct_inode);
iput(sbi->direct_inode);
}
}
-static struct super_block *jfs_get_sb(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data)
+static int jfs_get_sb(struct file_system_type *fs_type,
+ int flags, const char *dev_name, void *data, struct vfsmount *mnt)
{
- return get_sb_bdev(fs_type, flags, dev_name, data, jfs_fill_super);
+ return get_sb_bdev(fs_type, flags, dev_name, data, jfs_fill_super,
+ mnt);
}
static int jfs_sync_fs(struct super_block *sb, int wait)
struct jfs_log *log = JFS_SBI(sb)->log;
/* log == NULL indicates read-only mount */
- if (log)
+ if (log) {
jfs_flush_journal(log, wait);
+ jfs_syncpt(log, 0);
+ }
+
+ return 0;
+}
+
+static int jfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
+{
+ struct jfs_sb_info *sbi = JFS_SBI(vfs->mnt_sb);
+
+ if (sbi->uid != -1)
+ seq_printf(seq, ",uid=%d", sbi->uid);
+ if (sbi->gid != -1)
+ seq_printf(seq, ",gid=%d", sbi->gid);
+ if (sbi->umask != -1)
+ seq_printf(seq, ",umask=%03o", sbi->umask);
+ if (sbi->flag & JFS_NOINTEGRITY)
+ seq_puts(seq, ",nointegrity");
+
+#if defined(CONFIG_QUOTA)
+ if (sbi->flag & JFS_USRQUOTA)
+ seq_puts(seq, ",usrquota");
+
+ if (sbi->flag & JFS_GRPQUOTA)
+ seq_puts(seq, ",grpquota");
+#endif
return 0;
}
.unlockfs = jfs_unlockfs,
.statfs = jfs_statfs,
.remount_fs = jfs_remount,
+ .show_options = jfs_show_options
};
static struct export_operations jfs_export_operations = {
.fs_flags = FS_REQUIRES_DEV,
};
-extern int metapage_init(void);
-extern int txInit(void);
-extern void txExit(void);
-extern void metapage_exit(void);
-
static void init_once(void *foo, kmem_cache_t * cachep, unsigned long flags)
{
struct jfs_inode_info *jfs_ip = (struct jfs_inode_info *) foo;
memset(jfs_ip, 0, sizeof(struct jfs_inode_info));
INIT_LIST_HEAD(&jfs_ip->anon_inode_list);
init_rwsem(&jfs_ip->rdwrlock);
- init_MUTEX(&jfs_ip->commit_sem);
+ mutex_init(&jfs_ip->commit_mutex);
init_rwsem(&jfs_ip->xattr_sem);
spin_lock_init(&jfs_ip->ag_lock);
jfs_ip->active_ag = -1;
jfs_inode_cachep =
kmem_cache_create("jfs_ip", sizeof(struct jfs_inode_info), 0,
- SLAB_RECLAIM_ACCOUNT, init_once, NULL);
+ SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
+ init_once, NULL);
if (jfs_inode_cachep == NULL)
return -ENOMEM;
/*
* I/O completion thread (endio)
*/
- jfsIOthread = kernel_thread(jfsIOWait, NULL, CLONE_KERNEL);
- if (jfsIOthread < 0) {
- jfs_err("init_jfs_fs: fork failed w/rc = %d", jfsIOthread);
+ jfsIOthread = kthread_run(jfsIOWait, NULL, "jfsIO");
+ if (IS_ERR(jfsIOthread)) {
+ rc = PTR_ERR(jfsIOthread);
+ jfs_err("init_jfs_fs: fork failed w/rc = %d", rc);
goto end_txmngr;
}
- wait_for_completion(&jfsIOwait); /* Wait until thread starts */
if (commit_threads < 1)
commit_threads = num_online_cpus();
commit_threads = MAX_COMMIT_THREADS;
for (i = 0; i < commit_threads; i++) {
- jfsCommitThread[i] = kernel_thread(jfs_lazycommit, NULL,
- CLONE_KERNEL);
- if (jfsCommitThread[i] < 0) {
- jfs_err("init_jfs_fs: fork failed w/rc = %d",
- jfsCommitThread[i]);
+ jfsCommitThread[i] = kthread_run(jfs_lazycommit, NULL, "jfsCommit");
+ if (IS_ERR(jfsCommitThread[i])) {
+ rc = PTR_ERR(jfsCommitThread[i]);
+ jfs_err("init_jfs_fs: fork failed w/rc = %d", rc);
commit_threads = i;
goto kill_committask;
}
- /* Wait until thread starts */
- wait_for_completion(&jfsIOwait);
}
- jfsSyncThread = kernel_thread(jfs_sync, NULL, CLONE_KERNEL);
- if (jfsSyncThread < 0) {
- jfs_err("init_jfs_fs: fork failed w/rc = %d", jfsSyncThread);
+ jfsSyncThread = kthread_run(jfs_sync, NULL, "jfsSync");
+ if (IS_ERR(jfsSyncThread)) {
+ rc = PTR_ERR(jfsSyncThread);
+ jfs_err("init_jfs_fs: fork failed w/rc = %d", rc);
goto kill_committask;
}
- wait_for_completion(&jfsIOwait); /* Wait until thread starts */
#ifdef PROC_FS_JFS
jfs_proc_init();
return register_filesystem(&jfs_fs_type);
kill_committask:
- jfs_stop_threads = 1;
- wake_up_all(&jfs_commit_thread_wait);
for (i = 0; i < commit_threads; i++)
- wait_for_completion(&jfsIOwait);
-
- wake_up(&jfs_IO_thread_wait);
- wait_for_completion(&jfsIOwait); /* Wait for thread exit */
+ kthread_stop(jfsCommitThread[i]);
+ kthread_stop(jfsIOthread);
end_txmngr:
txExit();
free_metapage:
jfs_info("exit_jfs_fs called");
- jfs_stop_threads = 1;
txExit();
metapage_exit();
- wake_up(&jfs_IO_thread_wait);
- wait_for_completion(&jfsIOwait); /* Wait until IO thread exits */
- wake_up_all(&jfs_commit_thread_wait);
+
+ kthread_stop(jfsIOthread);
for (i = 0; i < commit_threads; i++)
- wait_for_completion(&jfsIOwait);
- wake_up(&jfs_sync_thread_wait);
- wait_for_completion(&jfsIOwait); /* Wait until Sync thread exits */
+ kthread_stop(jfsCommitThread[i]);
+ kthread_stop(jfsSyncThread);
#ifdef PROC_FS_JFS
jfs_proc_clean();
#endif
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff