Commit 81cc7fad authored by Vyacheslav Dubeyko's avatar Vyacheslav Dubeyko Committed by Linus Torvalds
Browse files

hfsplus: rework processing of hfs_btree_write() returned error 



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: default avatarVyacheslav Dubeyko <slava@dubeyko.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: default avatarHin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1b243fd3

fs/hfsplus/btree.c

+3 −2
Original line number Diff line number Diff line
@@ -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)

fs/hfsplus/hfsplus_fs.h

+1 −1
Original line number Diff line number Diff line
@@ -335,7 +335,7 @@ int hfsplus_block_free(struct super_block *, u32, u32); 
/* btree.c */

struct hfs_btree *hfs_btree_open(struct super_block *, u32);

void hfs_btree_close(struct hfs_btree *);

void hfs_btree_write(struct hfs_btree *);

int hfs_btree_write(struct hfs_btree *);

struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *);

void hfs_bmap_free(struct hfs_bnode *);

fs/hfsplus/super.c

+8 −2
Original line number Diff line number Diff line
@@ -127,8 +127,14 @@ static int hfsplus_system_write_inode(struct inode *inode) 
		hfsplus_mark_mdb_dirty(inode->i_sb);

	}

	hfsplus_inode_write_fork(inode, fork);

	if (tree)

		hfs_btree_write(tree);

	if (tree) {

		int err = hfs_btree_write(tree);

		if (err) {

			printk(KERN_ERR "hfs: b-tree write err: %d, ino %lu\n",

					err, inode->i_ino);

			return err;

		}

	}

	return 0;

}

CRA Git | Maintained and supported by SUSTech CRA and CCSE