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

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

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

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Roman Zippel <zippel@linux-m68k.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 00:15:29 -08:00
committed by Linus Torvalds
parent 69840b0d06
commit 210f855963
5 changed files with 32 additions and 19 deletions
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12
fs/affs/super.c
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@@ -113,7 +113,6 @@ static void destroy_inodecache(void)
static const struct super_operations affs_sops = {
.alloc_inode = affs_alloc_inode,
.destroy_inode = affs_destroy_inode,
.read_inode = affs_read_inode,
.write_inode = affs_write_inode,
.put_inode = affs_put_inode,
.drop_inode = affs_drop_inode,
@@ -271,6 +270,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
unsigned long mount_flags;
int tmp_flags; /* fix remount prototype... */
u8 sig[4];
int ret = -EINVAL;
pr_debug("AFFS: read_super(%s)\n",data ? (const char *)data : "no options");
@@ -444,7 +444,12 @@ got_root:
/* set up enough so that it can read an inode */
root_inode = iget(sb, root_block);
root_inode = affs_iget(sb, root_block);
if (IS_ERR(root_inode)) {
ret = PTR_ERR(root_inode);
goto out_error_noinode;
}
sb->s_root = d_alloc_root(root_inode);
if (!sb->s_root) {
printk(KERN_ERR "AFFS: Get root inode failed\n");
@@ -461,12 +466,13 @@ got_root:
out_error:
if (root_inode)
iput(root_inode);
out_error_noinode:
kfree(sbi->s_bitmap);
affs_brelse(root_bh);
kfree(sbi->s_prefix);
kfree(sbi);
sb->s_fs_info = NULL;
return -EINVAL;
return ret;
}
static int