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iget: stop EXT4 from using iget() and read_inode()

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Stop the EXT4 filesystem from using iget() and read_inode().  Replace
ext4_read_inode() with ext4_iget(), and call that instead of iget().
ext4_iget() then uses iget_locked() directly and returns a proper error code
instead of an inode in the event of an error.

ext4_fill_super() returns any error incurred when getting the root inode
instead of EINVAL.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: "Theodore Ts'o" <tytso@mit.edu>
Acked-by: Jan Kara <jack@suse.cz>
Cc: <linux-ext4@vger.kernel.org>
Acked-by: Christoph Hellwig <hch@lst.de>
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 00:15:37 -08:00 • committed by Linus Torvalds
parent 473043dcee
commit 1d1fe1ee02
6 changed files with 90 additions and 73 deletions
Download patch file Download diff file Expand all files Collapse all files

7
fs/ext4/resize.c
View file

@ -779,12 +779,11 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
"No reserved GDT blocks, can't resize");
return -EPERM;
}
inode = iget(sb, EXT4_RESIZE_INO);
if (!inode || is_bad_inode(inode)) {
inode = ext4_iget(sb, EXT4_RESIZE_INO);
if (IS_ERR(inode)) {
ext4_warning(sb, __FUNCTION__,
"Error opening resize inode");
iput(inode);
return -ENOENT;
return PTR_ERR(inode);
}
}