#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>
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;
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_quota,
- Opt_usrquota, Opt_grpquota
+ Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask
};
static match_table_t tokens = {
{Opt_ignore, "quota"},
{Opt_usrquota, "usrquota"},
{Opt_grpquota, "grpquota"},
+ {Opt_uid, "uid=%u"},
+ {Opt_gid, "gid=%u"},
+ {Opt_umask, "umask=%u"},
{Opt_err, NULL}
};
"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;
}
}
-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_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");
- else
- seq_puts(seq, ",integrity");
#if defined(CONFIG_QUOTA)
if (sbi->flag & JFS_USRQUOTA)
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