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ceph: kill ceph_get_dentry_parent_inode()

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use vfs helper dget_parent() instead

Signed-off-by: Yan, Zheng <zyan@redhat.com>
This commit is contained in:
Yan, Zheng 2016-03-16 16:40:23 +08:00 committed by Ilya Dryomov
parent 315f240880
commit 641235d8f8
2 changed files with 5 additions and 20 deletions
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24
fs/ceph/dir.c
View File

@ -68,23 +68,6 @@ out_unlock:
return 0;
}
struct inode *ceph_get_dentry_parent_inode(struct dentry *dentry)
{
struct inode *inode = NULL;
if (!dentry)
return NULL;
spin_lock(&dentry->d_lock);
if (!IS_ROOT(dentry)) {
inode = d_inode(dentry->d_parent);
ihold(inode);
}
spin_unlock(&dentry->d_lock);
return inode;
}
/*
* for readdir, we encode the directory frag and offset within that
* frag into f_pos.
@ -1100,6 +1083,7 @@ static int dir_lease_is_valid(struct inode *dir, struct dentry *dentry)
static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags)
{
int valid = 0;
struct dentry *parent;
struct inode *dir;
if (flags & LOOKUP_RCU)
@ -1108,7 +1092,8 @@ static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags)
dout("d_revalidate %p '%pd' inode %p offset %lld\n", dentry,
dentry, d_inode(dentry), ceph_dentry(dentry)->offset);
dir = ceph_get_dentry_parent_inode(dentry);
parent = dget_parent(dentry);
dir = d_inode(parent);
/* always trust cached snapped dentries, snapdir dentry */
if (ceph_snap(dir) != CEPH_NOSNAP) {
@ -1132,7 +1117,8 @@ static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags)
} else {
ceph_dir_clear_complete(dir);
}
iput(dir);
dput(parent);
return valid;
}

1
fs/ceph/super.h
View File

@ -957,7 +957,6 @@ extern void ceph_dentry_lru_touch(struct dentry *dn);
extern void ceph_dentry_lru_del(struct dentry *dn);
extern void ceph_invalidate_dentry_lease(struct dentry *dentry);
extern unsigned ceph_dentry_hash(struct inode *dir, struct dentry *dn);
extern struct inode *ceph_get_dentry_parent_inode(struct dentry *dentry);
extern void ceph_readdir_cache_release(struct ceph_readdir_cache_control *ctl);
/*