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authorNick Piggin <npiggin@kernel.dk>2011-01-07 17:49:28 +1100
committerNick Piggin <npiggin@kernel.dk>2011-01-07 17:50:20 +1100
commitb1e6a015a580ad145689ad1d6b4aa0e03e6c868b (patch)
tree57a10ef164e4d2f798d9b832dbeaf973aca2ab83 /fs/ncpfs
parent621e155a3591962420eacdd39f6f0aa29ceb221e (diff)
fs: change d_hash for rcu-walk
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 <npiggin@kernel.dk>
Diffstat (limited to 'fs/ncpfs')
-rw-r--r--fs/ncpfs/dir.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index 3bcc68aed41..bbbf7922f42 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -74,7 +74,8 @@ const struct inode_operations ncp_dir_inode_operations =
* Dentry operations routines
*/
static int ncp_lookup_validate(struct dentry *, struct nameidata *);
-static int ncp_hash_dentry(struct dentry *, struct qstr *);
+static int ncp_hash_dentry(const struct dentry *, const struct inode *,
+ struct qstr *);
static int ncp_compare_dentry(const struct dentry *, const struct inode *,
const struct dentry *, const struct inode *,
unsigned int, const char *, const struct qstr *);
@@ -129,9 +130,10 @@ static inline int ncp_case_sensitive(const struct inode *i)
* is case-sensitive.
*/
static int
-ncp_hash_dentry(struct dentry *dentry, struct qstr *this)
+ncp_hash_dentry(const struct dentry *dentry, const struct inode *inode,
+ struct qstr *this)
{
- if (!ncp_case_sensitive(dentry->d_inode)) {
+ if (!ncp_case_sensitive(inode)) {
struct super_block *sb = dentry->d_sb;
struct nls_table *t;
unsigned long hash;
@@ -597,7 +599,7 @@ ncp_fill_cache(struct file *filp, void *dirent, filldir_t filldir,
qname.hash = full_name_hash(qname.name, qname.len);
if (dentry->d_op && dentry->d_op->d_hash)
- if (dentry->d_op->d_hash(dentry, &qname) != 0)
+ if (dentry->d_op->d_hash(dentry, dentry->d_inode, &qname) != 0)
goto end_advance;
newdent = d_lookup(dentry, &qname);