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Subject[PATCH][CFT] Re: 2.4.15-pre9 breakage (inode.c)
	Untested fix follows.  And please, pass the brown paperbag... ;-/

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 16:33:33 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);
+ 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 16:26:18 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 16:24:44 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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