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fs: change d_hash for rcu-walk

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Change d_hash so it may be called from lock-free RCU lookups. See similar
patch for d_compare for details.

For in-tree filesystems, this is just a mechanical change.

Signed-off-by: Nick Piggin <[email protected]>
This commit is contained in:
Nick Piggin 2011-01-07 17:49:28 +11:00
commit b1e6a015a5
25 changed files with 94 additions and 51 deletions
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4
fs/ecryptfs/inode.c
View file

@ -454,7 +454,7 @@ static struct dentry *ecryptfs_lookup(struct inode *ecryptfs_dir_inode,
lower_name.hash = ecryptfs_dentry->d_name.hash;
if (lower_dir_dentry->d_op && lower_dir_dentry->d_op->d_hash) {
rc = lower_dir_dentry->d_op->d_hash(lower_dir_dentry,
&lower_name);
lower_dir_dentry->d_inode, &lower_name);
if (rc < 0)
goto out_d_drop;
}
@ -489,7 +489,7 @@ static struct dentry *ecryptfs_lookup(struct inode *ecryptfs_dir_inode,
lower_name.hash = full_name_hash(lower_name.name, lower_name.len);
if (lower_dir_dentry->d_op && lower_dir_dentry->d_op->d_hash) {
rc = lower_dir_dentry->d_op->d_hash(lower_dir_dentry,
&lower_name);
lower_dir_dentry->d_inode, &lower_name);
if (rc < 0)
goto out_d_drop;
}