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SubjectRe: [PATCH][CFT] Re: 2.4.15-pre9 breakage (inode.c)
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does this affect non-ext2 systems? the only complaints i have seen on
here were related to ext2, i am running reiserfs, should i have to be
worried as well?

On Fri, 2001-11-23 at 17:06, Alexander Viro wrote:
>
>
> On Fri, 23 Nov 2001, Alexander Viro wrote:
>
> > Untested fix follows. And please, pass the brown paperbag... ;-/
>
> ... and now for something that really builds:
>
> diff -urN S15/fs/inode.c S15-fix/fs/inode.c
> --- S15/fs/inode.c Fri Nov 23 06:45:43 2001
> +++ S15-fix/fs/inode.c Fri Nov 23 17:04:05 2001
> @@ -1065,24 +1065,27 @@
> if (inode->i_state != I_CLEAR)
> BUG();
> } else {
> - if (!list_empty(&inode->i_hash) && sb && sb->s_root) {
> + if (!list_empty(&inode->i_hash)) {
> if (!(inode->i_state & (I_DIRTY|I_LOCK))) {
> list_del(&inode->i_list);
> list_add(&inode->i_list, &inode_unused);
> }
> inodes_stat.nr_unused++;
> spin_unlock(&inode_lock);
> - return;
> - } else {
> - list_del_init(&inode->i_list);
> + if (!sb || sb->s_flags & MS_ACTIVE)
> + return;
> + write_inode_now(inode, 1);
> + spin_lock(&inode_lock);
> + inodes_stat.nr_unused--;
> list_del_init(&inode->i_hash);
> - inode->i_state|=I_FREEING;
> - inodes_stat.nr_inodes--;
> - spin_unlock(&inode_lock);
> - if (inode->i_data.nrpages)
> - truncate_inode_pages(&inode->i_data, 0);
> - clear_inode(inode);
> }
> + list_del_init(&inode->i_list);
> + inode->i_state|=I_FREEING;
> + inodes_stat.nr_inodes--;
> + spin_unlock(&inode_lock);
> + if (inode->i_data.nrpages)
> + truncate_inode_pages(&inode->i_data, 0);
> + clear_inode(inode);
> }
> destroy_inode(inode);
> }
> diff -urN S15/fs/super.c S15-fix/fs/super.c
> --- S15/fs/super.c Fri Nov 23 06:45:43 2001
> +++ S15-fix/fs/super.c Fri Nov 23 16:56:50 2001
> @@ -462,6 +462,7 @@
> lock_super(s);
> if (!type->read_super(s, data, flags & MS_VERBOSE ? 1 : 0))
> goto out_fail;
> + s->s_flags |= MS_ACTIVE;
> unlock_super(s);
> /* tell bdcache that we are going to keep this one */
> if (bdev)
> @@ -614,6 +615,7 @@
> lock_super(s);
> if (!fs_type->read_super(s, data, flags & MS_VERBOSE ? 1 : 0))
> goto out_fail;
> + s->s_flags |= MS_ACTIVE;
> unlock_super(s);
> get_filesystem(fs_type);
> path_release(&nd);
> @@ -695,6 +697,7 @@
> lock_super(s);
> if (!fs_type->read_super(s, data, flags & MS_VERBOSE ? 1 : 0))
> goto out_fail;
> + s->s_flags |= MS_ACTIVE;
> unlock_super(s);
> get_filesystem(fs_type);
> return s;
> @@ -739,6 +742,7 @@
> dput(root);
> fsync_super(sb);
> lock_super(sb);
> + sb->s_flags &= ~MS_ACTIVE;
> invalidate_inodes(sb); /* bad name - it should be evict_inodes() */
> if (sop) {
> if (sop->write_super && sb->s_dirt)
> diff -urN S15/include/linux/fs.h S15-fix/include/linux/fs.h
> --- S15/include/linux/fs.h Fri Nov 23 06:45:44 2001
> +++ S15-fix/include/linux/fs.h Fri Nov 23 17:01:18 2001
> @@ -110,6 +110,7 @@
> #define MS_BIND 4096
> #define MS_REC 16384
> #define MS_VERBOSE 32768
> +#define MS_ACTIVE (1<<30)
> #define MS_NOUSER (1<<31)
>
> /*
>
> -
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--
Phil Sorber
AIM: PSUdaemon
IRC: irc.openprojects.net #psulug PSUdaemon
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