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iget: stop the SYSV filesystem from using iget() and read_inode()

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

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: David Howells <dhowells@redhat.com>
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 00:15:47 -08:00
committed by Linus Torvalds
parent 78cc912000
commit b8e1343f67
4 changed files with 22 additions and 14 deletions
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25
fs/sysv/inode.c
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@@ -169,20 +169,27 @@ void sysv_set_inode(struct inode *inode, dev_t rdev)
init_special_inode(inode, inode->i_mode, rdev);
}
static void sysv_read_inode(struct inode *inode)
struct inode *sysv_iget(struct super_block *sb, unsigned int ino)
{
struct super_block * sb = inode->i_sb;
struct sysv_sb_info * sbi = SYSV_SB(sb);
struct buffer_head * bh;
struct sysv_inode * raw_inode;
struct sysv_inode_info * si;
unsigned int block, ino = inode->i_ino;
struct inode *inode;
unsigned int block;
if (!ino || ino > sbi->s_ninodes) {
printk("Bad inode number on dev %s: %d is out of range\n",
inode->i_sb->s_id, ino);
goto bad_inode;
sb->s_id, ino);
return ERR_PTR(-EIO);
}
inode = iget_locked(sb, ino);
if (!inode)
return ERR_PTR(-ENOMEM);
if (!(inode->i_state & I_NEW))
return inode;
raw_inode = sysv_raw_inode(sb, ino, &bh);
if (!raw_inode) {
printk("Major problem: unable to read inode from dev %s\n",
@@ -214,11 +221,12 @@ static void sysv_read_inode(struct inode *inode)
old_decode_dev(fs32_to_cpu(sbi, si->i_data[0])));
else
sysv_set_inode(inode, 0);
return;
unlock_new_inode(inode);
return inode;
bad_inode:
make_bad_inode(inode);
return;
iget_failed(inode);
return ERR_PTR(-EIO);
}
static struct buffer_head * sysv_update_inode(struct inode * inode)
@@ -328,7 +336,6 @@ static void init_once(struct kmem_cache *cachep, void *p)
const struct super_operations sysv_sops = {
.alloc_inode = sysv_alloc_inode,
.destroy_inode = sysv_destroy_inode,
.read_inode = sysv_read_inode,
.write_inode = sysv_write_inode,
.delete_inode = sysv_delete_inode,
.put_super = sysv_put_super,