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hfsplus: rework processing of hfs_btree_write() returned error

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Add to hfs_btree_write() a return of -EIO on failure of b-tree node
searching.  Also add logic ofor processing errors from hfs_btree_write()
in hfsplus_system_write_inode() with a message about b-tree writing
failure.

[akpm@linux-foundation.org: reduce scope of `err', print errno on error]
Signed-off-by: Vyacheslav Dubeyko <slava@dubeyko.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Vyacheslav Dubeyko
2012-12-20 15:05:28 -08:00
committed by Linus Torvalds
parent 1b243fd39b
commit 81cc7fad55
3 changed files with 12 additions and 5 deletions
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5
fs/hfsplus/btree.c
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@@ -159,7 +159,7 @@ void hfs_btree_close(struct hfs_btree *tree)
kfree(tree);
}
void hfs_btree_write(struct hfs_btree *tree)
int hfs_btree_write(struct hfs_btree *tree)
{
struct hfs_btree_header_rec *head;
struct hfs_bnode *node;
@@ -168,7 +168,7 @@ void hfs_btree_write(struct hfs_btree *tree)
node = hfs_bnode_find(tree, 0);
if (IS_ERR(node))
/* panic? */
return;
return -EIO;
/* Load the header */
page = node->page[0];
head = (struct hfs_btree_header_rec *)(kmap(page) +
@@ -186,6 +186,7 @@ void hfs_btree_write(struct hfs_btree *tree)
kunmap(page);
set_page_dirty(page);
hfs_bnode_put(node);
return 0;
}
static struct hfs_bnode *hfs_bmap_new_bmap(struct hfs_bnode *prev, u32 idx)