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authorSage Weil <sage@newdream.net>2011-11-11 09:48:53 -0800
committerSage Weil <sage@newdream.net>2012-01-10 08:56:56 -0800
commit3d8eb7a94e8f25a33362f708974ac7daae9e84f8 (patch)
tree5392b81331ea8733ac25e7a390ae64dbcd3b382a /fs/ceph/dir.c
parent186482560f660b8dbf77ee43aa6489cb45d342cd (diff)
ceph: remove unnecessary d_fsdata conditional checks
We now set d_fsdata unconditionally on all dentries prior to setting up the d_ops, so all of these checks are unnecessary. Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/dir.c')
-rw-r--r--fs/ceph/dir.c48
1 files changed, 20 insertions, 28 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 98954003a8d..a421555b229 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -973,7 +973,7 @@ static int dentry_lease_is_valid(struct dentry *dentry)
spin_lock(&dentry->d_lock);
di = ceph_dentry(dentry);
- if (di && di->lease_session) {
+ if (di->lease_session) {
s = di->lease_session;
spin_lock(&s->s_cap_lock);
gen = s->s_cap_gen;
@@ -1072,13 +1072,11 @@ static void ceph_d_release(struct dentry *dentry)
struct ceph_dentry_info *di = ceph_dentry(dentry);
dout("d_release %p\n", dentry);
- if (di) {
- ceph_dentry_lru_del(dentry);
- if (di->lease_session)
- ceph_put_mds_session(di->lease_session);
- kmem_cache_free(ceph_dentry_cachep, di);
- dentry->d_fsdata = NULL;
- }
+ ceph_dentry_lru_del(dentry);
+ if (di->lease_session)
+ ceph_put_mds_session(di->lease_session);
+ kmem_cache_free(ceph_dentry_cachep, di);
+ dentry->d_fsdata = NULL;
}
static int ceph_snapdir_d_revalidate(struct dentry *dentry,
@@ -1259,13 +1257,11 @@ void ceph_dentry_lru_add(struct dentry *dn)
dout("dentry_lru_add %p %p '%.*s'\n", di, dn,
dn->d_name.len, dn->d_name.name);
- if (di) {
- mdsc = ceph_sb_to_client(dn->d_sb)->mdsc;
- spin_lock(&mdsc->dentry_lru_lock);
- list_add_tail(&di->lru, &mdsc->dentry_lru);
- mdsc->num_dentry++;
- spin_unlock(&mdsc->dentry_lru_lock);
- }
+ mdsc = ceph_sb_to_client(dn->d_sb)->mdsc;
+ spin_lock(&mdsc->dentry_lru_lock);
+ list_add_tail(&di->lru, &mdsc->dentry_lru);
+ mdsc->num_dentry++;
+ spin_unlock(&mdsc->dentry_lru_lock);
}
void ceph_dentry_lru_touch(struct dentry *dn)
@@ -1275,12 +1271,10 @@ void ceph_dentry_lru_touch(struct dentry *dn)
dout("dentry_lru_touch %p %p '%.*s' (offset %lld)\n", di, dn,
dn->d_name.len, dn->d_name.name, di->offset);
- if (di) {
- mdsc = ceph_sb_to_client(dn->d_sb)->mdsc;
- spin_lock(&mdsc->dentry_lru_lock);
- list_move_tail(&di->lru, &mdsc->dentry_lru);
- spin_unlock(&mdsc->dentry_lru_lock);
- }
+ mdsc = ceph_sb_to_client(dn->d_sb)->mdsc;
+ spin_lock(&mdsc->dentry_lru_lock);
+ list_move_tail(&di->lru, &mdsc->dentry_lru);
+ spin_unlock(&mdsc->dentry_lru_lock);
}
void ceph_dentry_lru_del(struct dentry *dn)
@@ -1290,13 +1284,11 @@ void ceph_dentry_lru_del(struct dentry *dn)
dout("dentry_lru_del %p %p '%.*s'\n", di, dn,
dn->d_name.len, dn->d_name.name);
- if (di) {
- mdsc = ceph_sb_to_client(dn->d_sb)->mdsc;
- spin_lock(&mdsc->dentry_lru_lock);
- list_del_init(&di->lru);
- mdsc->num_dentry--;
- spin_unlock(&mdsc->dentry_lru_lock);
- }
+ mdsc = ceph_sb_to_client(dn->d_sb)->mdsc;
+ spin_lock(&mdsc->dentry_lru_lock);
+ list_del_init(&di->lru);
+ mdsc->num_dentry--;
+ spin_unlock(&mdsc->dentry_lru_lock);
}
/*