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vfs: protect i_nlink

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Prevent direct modification of i_nlink by making it const and adding a
non-const __i_nlink alias.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Tested-by: Toshiyuki Okajima <toshi.okajima@jp.fujitsu.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Miklos Szeredi
2011-10-28 14:13:30 +02:00
committed by Christoph Hellwig
parent bfe8684869
commit a78ef704a8
2 changed files with 16 additions and 6 deletions
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2
fs/inode.c
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@@ -142,7 +142,7 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
atomic_set(&inode->i_count, 1);
inode->i_op = &empty_iops;
inode->i_fop = &empty_fops;
inode->i_nlink = 1;
inode->__i_nlink = 1;
inode->i_opflags = 0;
inode->i_uid = 0;
inode->i_gid = 0;