Re: [PATCH] 2.5 ext3 ino_t removal

Andreas Dilger (adilger@clusterfs.com)
Sun, 5 Jan 2003 21:42:09 -0700


On Jan 05, 2003 21:33 -0700, Andreas Dilger wrote:
> This patch against 2.5.53 removes my erronous use of ino_t in a
> couple of places in the ext3 code. This has been replaced with unsigned
> long (the same as is used for inode->i_ino). This patch matches the fix
> submitted to 2.4 for fixing 64-bit compiler warnings, and also replaces a
> couple of %ld with %lu to forestall output wierdness with filesystems with
> a few billion inodes.

Sorry - I sent the 2.4 version in the previous patch. This is the 2.5
version.

Cheers, Andreas
======================= ext3-2.5-ino_t.diff ===============================
--- 1.24/fs/ext3/ialloc.c Sat Dec 21 09:24:41 2002
+++ edited/fs/ext3/ialloc.c Sat Jan 4 12:49:23 2003
@@ -417,7 +417,7 @@
struct buffer_head *bitmap_bh = NULL;
struct buffer_head *bh2;
int group;
- ino_t ino;
+ unsigned long ino;
struct inode * inode;
struct ext3_group_desc * gdp;
struct ext3_super_block * es;
@@ -463,7 +463,7 @@
BUFFER_TRACE(bitmap_bh, "get_write_access");
err = ext3_journal_get_write_access(handle, bitmap_bh);
if (err) goto fail;
-
+
if (ext3_set_bit(ino, bitmap_bh->b_data)) {
ext3_error (sb, "ext3_new_inode",
"bit already set for inode %lu", ino);
@@ -619,19 +619,18 @@
}

/* Verify that we are loading a valid orphan from disk */
-struct inode *ext3_orphan_get (struct super_block * sb, ino_t ino)
+struct inode *ext3_orphan_get(struct super_block *sb, unsigned long ino)
{
- ino_t max_ino = le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count);
+ unsigned long max_ino = le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count);
unsigned long block_group;
int bit;
struct buffer_head *bitmap_bh = NULL;
struct inode *inode = NULL;
-
+
/* Error cases - e2fsck has already cleaned up for us */
if (ino > max_ino) {
ext3_warning(sb, __FUNCTION__,
- "bad orphan ino %lu! e2fsck was run?\n",
- (unsigned long) ino);
+ "bad orphan ino %lu! e2fsck was run?\n", ino);
goto out;
}

@@ -640,8 +639,7 @@
bitmap_bh = read_inode_bitmap(sb, block_group);
if (!bitmap_bh) {
ext3_warning(sb, __FUNCTION__,
- "inode bitmap error for orphan %lu\n",
- (unsigned long) ino);
+ "inode bitmap error for orphan %lu\n", ino);
goto out;
}

@@ -653,19 +651,17 @@
!(inode = iget(sb, ino)) || is_bad_inode(inode) ||
NEXT_ORPHAN(inode) > max_ino) {
ext3_warning(sb, __FUNCTION__,
- "bad orphan inode %lu! e2fsck was run?\n", (unsigned long)ino);
+ "bad orphan inode %lu! e2fsck was run?\n", ino);
printk(KERN_NOTICE "ext3_test_bit(bit=%d, block=%llu) = %d\n",
- bit,
- (unsigned long long)bitmap_bh->b_blocknr,
- ext3_test_bit(bit, bitmap_bh->b_data));
+ bit, (unsigned long long)bitmap_bh->b_blocknr,
+ ext3_test_bit(bit, bitmap_bh->b_data));
printk(KERN_NOTICE "inode=%p\n", inode);
if (inode) {
printk(KERN_NOTICE "is_bad_inode(inode)=%d\n",
is_bad_inode(inode));
- printk(KERN_NOTICE "NEXT_ORPHAN(inode)=%d\n",
+ printk(KERN_NOTICE "NEXT_ORPHAN(inode)=%u\n",
NEXT_ORPHAN(inode));
- printk(KERN_NOTICE "max_ino=%lu\n",
- (unsigned long) max_ino);
+ printk(KERN_NOTICE "max_ino=%lu\n", max_ino);
}
/* Avoid freeing blocks if we got a bad deleted inode */
if (inode && inode->i_nlink == 0)
--- 1.32/fs/ext3/namei.c Sat Dec 21 09:24:44 2002
+++ edited/fs/ext3/namei.c Sat Jan 4 12:53:06 2003
@@ -1869,10 +1869,10 @@
struct list_head *prev;
struct ext3_inode_info *ei = EXT3_I(inode);
struct ext3_sb_info *sbi;
- ino_t ino_next;
+ unsigned long ino_next;
struct ext3_iloc iloc;
int err = 0;
-
+
lock_super(inode->i_sb);
if (list_empty(&ei->i_orphan)) {
unlock_super(inode->i_sb);
@@ -1883,7 +1883,7 @@
prev = ei->i_orphan.prev;
sbi = EXT3_SB(inode->i_sb);

- jbd_debug(4, "remove inode %ld from orphan list\n", inode->i_ino);
+ jbd_debug(4, "remove inode %lu from orphan list\n", inode->i_ino);

list_del_init(&ei->i_orphan);

@@ -1893,13 +1893,13 @@
* list in memory. */
if (!handle)
goto out;
-
+
err = ext3_reserve_inode_write(handle, inode, &iloc);
if (err)
goto out_err;

if (prev == &sbi->s_orphan) {
- jbd_debug(4, "superblock will point to %ld\n", ino_next);
+ jbd_debug(4, "superblock will point to %lu\n", ino_next);
BUFFER_TRACE(sbi->s_sbh, "get_write_access");
err = ext3_journal_get_write_access(handle, sbi->s_sbh);
if (err)
@@ -1910,8 +1910,8 @@
struct ext3_iloc iloc2;
struct inode *i_prev =
&list_entry(prev, struct ext3_inode_info, i_orphan)->vfs_inode;
-
- jbd_debug(4, "orphan inode %ld will point to %ld\n",
+
+ jbd_debug(4, "orphan inode %lu will point to %lu\n",
i_prev->i_ino, ino_next);
err = ext3_reserve_inode_write(handle, i_prev, &iloc2);
if (err)
@@ -1926,7 +1926,7 @@
if (err)
goto out_brelse;

-out_err:
+out_err:
ext3_std_error(inode->i_sb, err);
out:
unlock_super(inode->i_sb);
--- 1.20/include/linux/ext3_fs.h Sun Nov 17 12:00:57 2002
+++ edited/include/linux/ext3_fs.h Sat Jan 4 12:45:16 2003
@@ -704,7 +704,7 @@
/* ialloc.c */
extern struct inode * ext3_new_inode (handle_t *, struct inode *, int);
extern void ext3_free_inode (handle_t *, struct inode *);
-extern struct inode * ext3_orphan_get (struct super_block *, ino_t);
+extern struct inode * ext3_orphan_get (struct super_block *, unsigned long);
extern unsigned long ext3_count_free_inodes (struct super_block *);
extern unsigned long ext3_count_dirs (struct super_block *);
extern void ext3_check_inodes_bitmap (struct super_block *);

--
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/

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