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fuse: don't unhash root
[ Upstream commitb1fe686a76
] The root inode is assumed to be always hashed. Do not unhash the root inode even if it is marked BAD. Fixes:5d069dbe8a
("fuse: fix bad inode") Cc: <stable@vger.kernel.org> # v5.11 Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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2 changed files with 5 additions and 3 deletions
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@ -939,7 +939,6 @@ static inline bool fuse_stale_inode(const struct inode *inode, int generation,
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static inline void fuse_make_bad(struct inode *inode)
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{
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remove_inode_hash(inode);
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set_bit(FUSE_I_BAD, &get_fuse_inode(inode)->state);
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}
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@ -472,8 +472,11 @@ struct inode *fuse_iget(struct super_block *sb, u64 nodeid,
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} else if (fuse_stale_inode(inode, generation, attr)) {
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/* nodeid was reused, any I/O on the old inode should fail */
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fuse_make_bad(inode);
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iput(inode);
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goto retry;
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if (inode != d_inode(sb->s_root)) {
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remove_inode_hash(inode);
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iput(inode);
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goto retry;
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}
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}
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fi = get_fuse_inode(inode);
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spin_lock(&fi->lock);
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