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ufs_iget(): fail with -ESTALE on deleted inode 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
hifive-unleashed-5.1
Al Viro 2017-06-16 23:54:47 -04:00
parent 23ac7cba73
commit c0ef65d292
1 changed files with 8 additions and 13 deletions
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21
fs/ufs/inode.c
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@ -566,10 +566,8 @@ static int ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode)
*/
inode->i_mode = mode = fs16_to_cpu(sb, ufs_inode->ui_mode);
set_nlink(inode, fs16_to_cpu(sb, ufs_inode->ui_nlink));
if (inode->i_nlink == 0) {
ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino);
return -1;
}
if (inode->i_nlink == 0)
return -ESTALE;
/*
* Linux now has 32-bit uid and gid, so we can support EFT.
@ -614,10 +612,8 @@ static int ufs2_read_inode(struct inode *inode, struct ufs2_inode *ufs2_inode)
*/
inode->i_mode = mode = fs16_to_cpu(sb, ufs2_inode->ui_mode);
set_nlink(inode, fs16_to_cpu(sb, ufs2_inode->ui_nlink));
if (inode->i_nlink == 0) {
ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino);
return -1;
}
if (inode->i_nlink == 0)
return -ESTALE;
/*
* Linux now has 32-bit uid and gid, so we can support EFT.
@ -657,7 +653,7 @@ struct inode *ufs_iget(struct super_block *sb, unsigned long ino)
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
struct buffer_head * bh;
struct inode *inode;
int err;
int err = -EIO;
UFSD("ENTER, ino %lu\n", ino);
@ -692,9 +688,10 @@ struct inode *ufs_iget(struct super_block *sb, unsigned long ino)
err = ufs1_read_inode(inode,
ufs_inode + ufs_inotofsbo(inode->i_ino));
}
brelse(bh);
if (err)
goto bad_inode;
inode->i_version++;
ufsi->i_lastfrag =
(inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift;
@ -703,15 +700,13 @@ struct inode *ufs_iget(struct super_block *sb, unsigned long ino)
ufs_set_inode_ops(inode);
brelse(bh);
UFSD("EXIT\n");
unlock_new_inode(inode);
return inode;
bad_inode:
iget_failed(inode);
return ERR_PTR(-EIO);
return ERR_PTR(err);
}
static void ufs1_update_inode(struct inode *inode, struct ufs_inode *ufs_inode)