Removed lock/unlock super. Added a new private s_lock mutex.
Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
if (ufs_fragnum(fragment) + count > uspi->s_fpg)
ufs_error (sb, "ufs_free_fragments", "internal error");
- lock_super(sb);
+ mutex_lock(&UFS_SB(sb)->s_lock);
cgno = ufs_dtog(uspi, fragment);
bit = ufs_dtogd(uspi, fragment);
ubh_sync_block(UCPI_UBH(ucpi));
ufs_mark_sb_dirty(sb);
- unlock_super (sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
UFSD("EXIT\n");
return;
failed:
- unlock_super (sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
UFSD("EXIT (FAILED)\n");
return;
}
goto failed;
}
- lock_super(sb);
+ mutex_lock(&UFS_SB(sb)->s_lock);
do_more:
overflow = 0;
}
ufs_mark_sb_dirty(sb);
- unlock_super (sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
UFSD("EXIT\n");
return;
failed_unlock:
- unlock_super (sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
failed:
UFSD("EXIT (FAILED)\n");
return;
usb1 = ubh_get_usb_first(uspi);
*err = -ENOSPC;
- lock_super (sb);
+ mutex_lock(&UFS_SB(sb)->s_lock);
tmp = ufs_data_ptr_to_cpu(sb, p);
if (count + ufs_fragnum(fragment) > uspi->s_fpb) {
"fragment %llu, tmp %llu\n",
(unsigned long long)fragment,
(unsigned long long)tmp);
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
return INVBLOCK;
}
if (fragment < UFS_I(inode)->i_lastfrag) {
UFSD("EXIT (ALREADY ALLOCATED)\n");
- unlock_super (sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
return 0;
}
}
else {
if (tmp) {
UFSD("EXIT (ALREADY ALLOCATED)\n");
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
return 0;
}
}
* There is not enough space for user on the device
*/
if (!capable(CAP_SYS_RESOURCE) && ufs_freespace(uspi, UFS_MINFREE) <= 0) {
- unlock_super (sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
UFSD("EXIT (FAILED)\n");
return 0;
}
ufs_clear_frags(inode, result + oldcount,
newcount - oldcount, locked_page != NULL);
}
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
UFSD("EXIT, result %llu\n", (unsigned long long)result);
return result;
}
fragment + count);
ufs_clear_frags(inode, result + oldcount, newcount - oldcount,
locked_page != NULL);
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
UFSD("EXIT, result %llu\n", (unsigned long long)result);
return result;
}
*err = 0;
UFS_I(inode)->i_lastfrag = max(UFS_I(inode)->i_lastfrag,
fragment + count);
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
if (newcount < request)
ufs_free_fragments (inode, result + newcount, request - newcount);
ufs_free_fragments (inode, tmp, oldcount);
return result;
}
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
UFSD("EXIT (FAILED)\n");
return 0;
}
ino = inode->i_ino;
- lock_super (sb);
+ mutex_lock(&UFS_SB(sb)->s_lock);
if (!((ino > 1) && (ino < (uspi->s_ncg * uspi->s_ipg )))) {
ufs_warning(sb, "ufs_free_inode", "reserved inode or nonexistent inode %u\n", ino);
- unlock_super (sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
return;
}
bit = ufs_inotocgoff (ino);
ucpi = ufs_load_cylinder (sb, cg);
if (!ucpi) {
- unlock_super (sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
return;
}
ucg = ubh_get_ucg(UCPI_UBH(ucpi));
ubh_sync_block(UCPI_UBH(ucpi));
ufs_mark_sb_dirty(sb);
- unlock_super (sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
UFSD("EXIT\n");
}
uspi = sbi->s_uspi;
usb1 = ubh_get_usb_first(uspi);
- lock_super (sb);
+ mutex_lock(&sbi->s_lock);
/*
* Try to place the inode in its parent directory
brelse(bh);
}
- unlock_super (sb);
+ mutex_unlock(&sbi->s_lock);
UFSD("allocating inode %lu\n", inode->i_ino);
UFSD("EXIT\n");
return inode;
fail_remove_inode:
- unlock_super(sb);
+ mutex_unlock(&sbi->s_lock);
clear_nlink(inode);
iput(inode);
UFSD("EXIT (FAILED): err %d\n", err);
return ERR_PTR(err);
failed:
- unlock_super (sb);
+ mutex_unlock(&sbi->s_lock);
make_bad_inode(inode);
iput (inode);
UFSD("EXIT (FAILED): err %d\n", err);
unsigned flags;
lock_ufs(sb);
- lock_super(sb);
+ mutex_lock(&UFS_SB(sb)->s_lock);
UFSD("ENTER\n");
ufs_put_cstotal(sb);
UFSD("EXIT\n");
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return 0;
}
#endif
mutex_init(&sbi->mutex);
+ mutex_init(&sbi->s_lock);
spin_lock_init(&sbi->work_lock);
INIT_DELAYED_WORK(&sbi->sync_work, delayed_sync_fs);
/*
unsigned flags;
lock_ufs(sb);
- lock_super(sb);
+ mutex_lock(&UFS_SB(sb)->s_lock);
uspi = UFS_SB(sb)->s_uspi;
flags = UFS_SB(sb)->s_flags;
usb1 = ubh_get_usb_first(uspi);
new_mount_opt = 0;
ufs_set_opt (new_mount_opt, ONERROR_LOCK);
if (!ufs_parse_options (data, &new_mount_opt)) {
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return -EINVAL;
}
new_mount_opt |= ufstype;
} else if ((new_mount_opt & UFS_MOUNT_UFSTYPE) != ufstype) {
printk("ufstype can't be changed during remount\n");
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return -EINVAL;
}
if ((*mount_flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
UFS_SB(sb)->s_mount_opt = new_mount_opt;
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return 0;
}
#ifndef CONFIG_UFS_FS_WRITE
printk("ufs was compiled with read-only support, "
"can't be mounted as read-write\n");
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return -EINVAL;
#else
ufstype != UFS_MOUNT_UFSTYPE_SUNx86 &&
ufstype != UFS_MOUNT_UFSTYPE_UFS2) {
printk("this ufstype is read-only supported\n");
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return -EINVAL;
}
if (!ufs_read_cylinder_structures(sb)) {
printk("failed during remounting\n");
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return -EPERM;
}
#endif
}
UFS_SB(sb)->s_mount_opt = new_mount_opt;
- unlock_super(sb);
+ mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return 0;
}
int work_queued; /* non-zero if the delayed work is queued */
struct delayed_work sync_work; /* FS sync delayed work */
spinlock_t work_lock; /* protects sync_work and work_queued */
+ struct mutex s_lock;
};
struct ufs_inode_info {