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iget: stop ISOFS from using read_inode()

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Stop the ISOFS filesystem from using read_inode().  Make isofs_read_inode()
return an error code, and make isofs_iget() pass it on.

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Jan Kara <jack@ucw.cz>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: "Dave Young" <hidave.darkstar@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Howells
2008-02-07 00:15:41 -08:00
committed by Linus Torvalds
parent 635253915b
commit c4386c83bf
4 changed files with 58 additions and 32 deletions
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14
fs/isofs/export.c
View File

@ -26,11 +26,9 @@ isofs_export_iget(struct super_block *sb,
if (block == 0)
return ERR_PTR(-ESTALE);
inode = isofs_iget(sb, block, offset);
if (inode == NULL)
return ERR_PTR(-ENOMEM);
if (is_bad_inode(inode)
|| (generation && inode->i_generation != generation))
{
if (IS_ERR(inode))
return ERR_CAST(inode);
if (generation && inode->i_generation != generation) {
iput(inode);
return ERR_PTR(-ESTALE);
}
@ -110,8 +108,10 @@ static struct dentry *isofs_export_get_parent(struct dentry *child)
parent_inode = isofs_iget(child_inode->i_sb,
parent_block,
parent_offset);
if (parent_inode == NULL) {
rv = ERR_PTR(-EACCES);
if (IS_ERR(parent_inode)) {
rv = ERR_CAST(parent_inode);
if (rv != ERR_PTR(-ENOMEM))
rv = ERR_PTR(-EACCES);
goto out;
}