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Diffstat (limited to 'fs/dcache.c')
-rw-r--r--fs/dcache.c68
1 files changed, 7 insertions, 61 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index ceb7b491d1b9..8d2ec4898c2b 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -729,16 +729,16 @@ static inline bool fast_dput(struct dentry *dentry)
if (dentry->d_lockref.count > 1) {
dentry->d_lockref.count--;
spin_unlock(&dentry->d_lock);
- return 1;
+ return true;
}
- return 0;
+ return false;
}
/*
* If we weren't the last ref, we're done.
*/
if (ret)
- return 1;
+ return true;
/*
* Careful, careful. The reference count went down
@@ -767,7 +767,7 @@ static inline bool fast_dput(struct dentry *dentry)
/* Nothing to do? Dropping the reference was all we needed? */
if (d_flags == (DCACHE_REFERENCED | DCACHE_LRU_LIST) && !d_unhashed(dentry))
- return 1;
+ return true;
/*
* Not the fast normal case? Get the lock. We've already decremented
@@ -784,7 +784,7 @@ static inline bool fast_dput(struct dentry *dentry)
*/
if (dentry->d_lockref.count) {
spin_unlock(&dentry->d_lock);
- return 1;
+ return true;
}
/*
@@ -793,7 +793,7 @@ static inline bool fast_dput(struct dentry *dentry)
* set it to 1.
*/
dentry->d_lockref.count = 1;
- return 0;
+ return false;
}
@@ -1889,40 +1889,13 @@ void d_instantiate_new(struct dentry *entry, struct inode *inode)
spin_lock(&inode->i_lock);
__d_instantiate(entry, inode);
WARN_ON(!(inode->i_state & I_NEW));
- inode->i_state &= ~I_NEW;
+ inode->i_state &= ~I_NEW & ~I_CREATING;
smp_mb();
wake_up_bit(&inode->i_state, __I_NEW);
spin_unlock(&inode->i_lock);
}
EXPORT_SYMBOL(d_instantiate_new);
-/**
- * d_instantiate_no_diralias - instantiate a non-aliased dentry
- * @entry: dentry to complete
- * @inode: inode to attach to this dentry
- *
- * Fill in inode information in the entry. If a directory alias is found, then
- * return an error (and drop inode). Together with d_materialise_unique() this
- * guarantees that a directory inode may never have more than one alias.
- */
-int d_instantiate_no_diralias(struct dentry *entry, struct inode *inode)
-{
- BUG_ON(!hlist_unhashed(&entry->d_u.d_alias));
-
- security_d_instantiate(entry, inode);
- spin_lock(&inode->i_lock);
- if (S_ISDIR(inode->i_mode) && !hlist_empty(&inode->i_dentry)) {
- spin_unlock(&inode->i_lock);
- iput(inode);
- return -EBUSY;
- }
- __d_instantiate(entry, inode);
- spin_unlock(&inode->i_lock);
-
- return 0;
-}
-EXPORT_SYMBOL(d_instantiate_no_diralias);
-
struct dentry *d_make_root(struct inode *root_inode)
{
struct dentry *res = NULL;
@@ -2675,33 +2648,6 @@ struct dentry *d_exact_alias(struct dentry *entry, struct inode *inode)
}
EXPORT_SYMBOL(d_exact_alias);
-/**
- * dentry_update_name_case - update case insensitive dentry with a new name
- * @dentry: dentry to be updated
- * @name: new name
- *
- * Update a case insensitive dentry with new case of name.
- *
- * dentry must have been returned by d_lookup with name @name. Old and new
- * name lengths must match (ie. no d_compare which allows mismatched name
- * lengths).
- *
- * Parent inode i_mutex must be held over d_lookup and into this call (to
- * keep renames and concurrent inserts, and readdir(2) away).
- */
-void dentry_update_name_case(struct dentry *dentry, const struct qstr *name)
-{
- BUG_ON(!inode_is_locked(dentry->d_parent->d_inode));
- BUG_ON(dentry->d_name.len != name->len); /* d_lookup gives this */
-
- spin_lock(&dentry->d_lock);
- write_seqcount_begin(&dentry->d_seq);
- memcpy((unsigned char *)dentry->d_name.name, name->name, name->len);
- write_seqcount_end(&dentry->d_seq);
- spin_unlock(&dentry->d_lock);
-}
-EXPORT_SYMBOL(dentry_update_name_case);
-
static void swap_names(struct dentry *dentry, struct dentry *target)
{
if (unlikely(dname_external(target))) {