*/
#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/fs.h>
-#include <linux/qnx4_fs.h>
#include <linux/init.h>
+#include <linux/slab.h>
#include <linux/highuid.h>
#include <linux/smp_lock.h>
#include <linux/pagemap.h>
#include <linux/buffer_head.h>
-#include <linux/vfs.h>
-#include <asm/uaccess.h>
+#include <linux/writeback.h>
+#include <linux/statfs.h>
+#include "qnx4.h"
#define QNX4_VERSION 4
#define QNX4_BMNAME ".bitmap"
static const struct super_operations qnx4_sops;
-#ifdef CONFIG_QNX4FS_RW
-
-int qnx4_sync_inode(struct inode *inode)
-{
- int err = 0;
-# if 0
- struct buffer_head *bh;
-
- bh = qnx4_update_inode(inode);
- if (bh && buffer_dirty(bh))
- {
- sync_dirty_buffer(bh);
- if (buffer_req(bh) && !buffer_uptodate(bh))
- {
- printk ("IO error syncing qnx4 inode [%s:%08lx]\n",
- inode->i_sb->s_id, inode->i_ino);
- err = -1;
- }
- brelse (bh);
- } else if (!bh) {
- err = -1;
- }
-# endif
-
- return err;
-}
-
-static void qnx4_delete_inode(struct inode *inode)
-{
- QNX4DEBUG(("qnx4: deleting inode [%lu]\n", (unsigned long) inode->i_ino));
- truncate_inode_pages(&inode->i_data, 0);
- inode->i_size = 0;
- qnx4_truncate(inode);
- lock_kernel();
- qnx4_free_inode(inode);
- unlock_kernel();
-}
-
-static int qnx4_write_inode(struct inode *inode, int unused)
-{
- struct qnx4_inode_entry *raw_inode;
- int block, ino;
- struct buffer_head *bh;
- ino = inode->i_ino;
-
- QNX4DEBUG(("qnx4: write inode 1.\n"));
- if (inode->i_nlink == 0) {
- return 0;
- }
- if (!ino) {
- printk("qnx4: bad inode number on dev %s: %d is out of range\n",
- inode->i_sb->s_id, ino);
- return -EIO;
- }
- QNX4DEBUG(("qnx4: write inode 2.\n"));
- block = ino / QNX4_INODES_PER_BLOCK;
- lock_kernel();
- if (!(bh = sb_bread(inode->i_sb, block))) {
- printk("qnx4: major problem: unable to read inode from dev "
- "%s\n", inode->i_sb->s_id);
- unlock_kernel();
- return -EIO;
- }
- raw_inode = ((struct qnx4_inode_entry *) bh->b_data) +
- (ino % QNX4_INODES_PER_BLOCK);
- raw_inode->di_mode = cpu_to_le16(inode->i_mode);
- raw_inode->di_uid = cpu_to_le16(fs_high2lowuid(inode->i_uid));
- raw_inode->di_gid = cpu_to_le16(fs_high2lowgid(inode->i_gid));
- raw_inode->di_nlink = cpu_to_le16(inode->i_nlink);
- raw_inode->di_size = cpu_to_le32(inode->i_size);
- raw_inode->di_mtime = cpu_to_le32(inode->i_mtime.tv_sec);
- raw_inode->di_atime = cpu_to_le32(inode->i_atime.tv_sec);
- raw_inode->di_ctime = cpu_to_le32(inode->i_ctime.tv_sec);
- raw_inode->di_first_xtnt.xtnt_size = cpu_to_le32(inode->i_blocks);
- mark_buffer_dirty(bh);
- brelse(bh);
- unlock_kernel();
- return 0;
-}
-
-#endif
-
static void qnx4_put_super(struct super_block *sb);
static struct inode *qnx4_alloc_inode(struct super_block *sb);
static void qnx4_destroy_inode(struct inode *inode);
.put_super = qnx4_put_super,
.statfs = qnx4_statfs,
.remount_fs = qnx4_remount,
-#ifdef CONFIG_QNX4FS_RW
- .write_inode = qnx4_write_inode,
- .delete_inode = qnx4_delete_inode,
-#endif
};
static int qnx4_remount(struct super_block *sb, int *flags, char *data)
qs = qnx4_sb(sb);
qs->Version = QNX4_VERSION;
-#ifndef CONFIG_QNX4FS_RW
*flags |= MS_RDONLY;
-#endif
- if (*flags & MS_RDONLY) {
- return 0;
- }
-
- mark_buffer_dirty(qs->sb_buf);
-
return 0;
}
result = sb_getblk(inode->i_sb, nr);
return result;
}
- if (!create) {
- return NULL;
- }
-#if 0
- tmp = qnx4_new_block(inode->i_sb);
- if (!tmp) {
- return NULL;
- }
- result = sb_getblk(inode->i_sb, tmp);
- if (tst) {
- qnx4_free_block(inode->i_sb, tmp);
- brelse(result);
- goto repeat;
- }
- tst = tmp;
-#endif
- inode->i_ctime = CURRENT_TIME_SEC;
- mark_inode_dirty(inode);
- return result;
+ return NULL;
}
struct buffer_head *qnx4_bread(struct inode *inode, int block, int create)
{
unsigned long phys;
- QNX4DEBUG(("qnx4: qnx4_get_block inode=[%ld] iblock=[%ld]\n",inode->i_ino,iblock));
+ QNX4DEBUG((KERN_INFO "qnx4: qnx4_get_block inode=[%ld] iblock=[%ld]\n",inode->i_ino,iblock));
phys = qnx4_block_map( inode, iblock );
if ( phys ) {
// logical block is before EOF
map_bh(bh, inode->i_sb, phys);
- } else if ( create ) {
- // to be done.
}
return 0;
}
// read next xtnt block.
bh = sb_bread(inode->i_sb, i_xblk - 1);
if ( !bh ) {
- QNX4DEBUG(("qnx4: I/O error reading xtnt block [%ld])\n", i_xblk - 1));
+ QNX4DEBUG((KERN_ERR "qnx4: I/O error reading xtnt block [%ld])\n", i_xblk - 1));
return -EIO;
}
xblk = (struct qnx4_xblk*)bh->b_data;
if ( memcmp( xblk->xblk_signature, "IamXblk", 7 ) ) {
- QNX4DEBUG(("qnx4: block at %ld is not a valid xtnt\n", qnx4_inode->i_xblk));
+ QNX4DEBUG((KERN_ERR "qnx4: block at %ld is not a valid xtnt\n", qnx4_inode->i_xblk));
return -EIO;
}
}
brelse( bh );
}
- QNX4DEBUG(("qnx4: mapping block %ld of inode %ld = %ld\n",iblock,inode->i_ino,block));
+ QNX4DEBUG((KERN_INFO "qnx4: mapping block %ld of inode %ld = %ld\n",iblock,inode->i_ino,block));
return block;
}
if (*(qnx4_sb(sb)->sb->RootDir.di_fname) != '/') {
return "no qnx4 filesystem (no root dir).";
} else {
- QNX4DEBUG(("QNX4 filesystem found on dev %s.\n", sb->s_id));
+ QNX4DEBUG((KERN_NOTICE "QNX4 filesystem found on dev %s.\n", sb->s_id));
rd = le32_to_cpu(qnx4_sb(sb)->sb->RootDir.di_first_xtnt.xtnt_blk) - 1;
rl = le32_to_cpu(qnx4_sb(sb)->sb->RootDir.di_first_xtnt.xtnt_size);
for (j = 0; j < rl; j++) {
for (i = 0; i < QNX4_INODES_PER_BLOCK; i++) {
rootdir = (struct qnx4_inode_entry *) (bh->b_data + i * QNX4_DIR_ENTRY_SIZE);
if (rootdir->di_fname != NULL) {
- QNX4DEBUG(("Rootdir entry found : [%s]\n", rootdir->di_fname));
- if (!strncmp(rootdir->di_fname, QNX4_BMNAME, sizeof QNX4_BMNAME)) {
+ QNX4DEBUG((KERN_INFO "rootdir entry found : [%s]\n", rootdir->di_fname));
+ if (!strcmp(rootdir->di_fname,
+ QNX4_BMNAME)) {
found = 1;
qnx4_sb(sb)->BitMap = kmalloc( sizeof( struct qnx4_inode_entry ), GFP_KERNEL );
if (!qnx4_sb(sb)->BitMap) {
if we don't belong here... */
bh = sb_bread(s, 1);
if (!bh) {
- printk("qnx4: unable to read the superblock\n");
+ printk(KERN_ERR "qnx4: unable to read the superblock\n");
goto outnobh;
}
if ( le32_to_cpup((__le32*) bh->b_data) != QNX4_SUPER_MAGIC ) {
if (!silent)
- printk("qnx4: wrong fsid in superblock.\n");
+ printk(KERN_ERR "qnx4: wrong fsid in superblock.\n");
goto out;
}
s->s_op = &qnx4_sops;
s->s_magic = QNX4_SUPER_MAGIC;
-#ifndef CONFIG_QNX4FS_RW
s->s_flags |= MS_RDONLY; /* Yup, read-only yet */
-#endif
qnx4_sb(s)->sb_buf = bh;
qnx4_sb(s)->sb = (struct qnx4_super_block *) bh->b_data;
errmsg = qnx4_checkroot(s);
if (errmsg != NULL) {
if (!silent)
- printk("qnx4: %s\n", errmsg);
+ printk(KERN_ERR "qnx4: %s\n", errmsg);
goto out;
}
/* does root not have inode number QNX4_ROOT_INO ?? */
root = qnx4_iget(s, QNX4_ROOT_INO * QNX4_INODES_PER_BLOCK);
if (IS_ERR(root)) {
- printk("qnx4: get inode failed\n");
+ printk(KERN_ERR "qnx4: get inode failed\n");
ret = PTR_ERR(root);
goto out;
}
qnx4_inode = qnx4_raw_inode(inode);
inode->i_mode = 0;
- QNX4DEBUG(("Reading inode : [%d]\n", ino));
+ QNX4DEBUG((KERN_INFO "reading inode : [%d]\n", ino));
if (!ino) {
printk(KERN_ERR "qnx4: bad inode number on dev %s: %lu is "
"out of range\n",
block = ino / QNX4_INODES_PER_BLOCK;
if (!(bh = sb_bread(sb, block))) {
- printk("qnx4: major problem: unable to read inode from dev "
+ printk(KERN_ERR "qnx4: major problem: unable to read inode from dev "
"%s\n", sb->s_id);
iget_failed(inode);
return ERR_PTR(-EIO);
memcpy(qnx4_inode, raw_inode, QNX4_DIR_ENTRY_SIZE);
if (S_ISREG(inode->i_mode)) {
- inode->i_op = &qnx4_file_inode_operations;
- inode->i_fop = &qnx4_file_operations;
+ inode->i_fop = &generic_ro_fops;
inode->i_mapping->a_ops = &qnx4_aops;
qnx4_i(inode)->mmu_private = inode->i_size;
} else if (S_ISDIR(inode->i_mode)) {
return err;
}
- printk("QNX4 filesystem 0.2.3 registered.\n");
+ printk(KERN_INFO "QNX4 filesystem 0.2.3 registered.\n");
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff