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authorLinus Torvalds <torvalds@linux-foundation.org>2011-02-21 15:01:38 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-02-21 15:01:38 -0800
commit8bd89ca22010847e85de37b77d9f19f16b1962ad (patch)
tree0bcee2ae6a85443177a6d95ed960301e0f4c9d57 /fs/ceph
parentb08b69a110bd981909c248f89997dcdcdfd5a39c (diff)
parent97d79b403ef03f729883246208ef5d8a2ebc4d68 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: ceph: keep reference to parent inode on ceph_dentry ceph: queue cap_snaps once per realm libceph: fix socket write error handling libceph: fix socket read error handling
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/dir.c5
-rw-r--r--fs/ceph/snap.c14
-rw-r--r--fs/ceph/super.h1
3 files changed, 15 insertions, 5 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 0bc68de8edd7..f0aef787a102 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -60,6 +60,7 @@ int ceph_init_dentry(struct dentry *dentry)
}
di->dentry = dentry;
di->lease_session = NULL;
+ di->parent_inode = igrab(dentry->d_parent->d_inode);
dentry->d_fsdata = di;
dentry->d_time = jiffies;
ceph_dentry_lru_add(dentry);
@@ -1033,7 +1034,7 @@ static void ceph_dentry_release(struct dentry *dentry)
u64 snapid = CEPH_NOSNAP;
if (!IS_ROOT(dentry)) {
- parent_inode = dentry->d_parent->d_inode;
+ parent_inode = di->parent_inode;
if (parent_inode)
snapid = ceph_snap(parent_inode);
}
@@ -1058,6 +1059,8 @@ static void ceph_dentry_release(struct dentry *dentry)
kmem_cache_free(ceph_dentry_cachep, di);
dentry->d_fsdata = NULL;
}
+ if (parent_inode)
+ iput(parent_inode);
}
static int ceph_snapdir_d_revalidate(struct dentry *dentry,
diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c
index 39c243acd062..f40b9139e437 100644
--- a/fs/ceph/snap.c
+++ b/fs/ceph/snap.c
@@ -584,10 +584,14 @@ static void queue_realm_cap_snaps(struct ceph_snap_realm *realm)
if (lastinode)
iput(lastinode);
- dout("queue_realm_cap_snaps %p %llx children\n", realm, realm->ino);
- list_for_each_entry(child, &realm->children, child_item)
- queue_realm_cap_snaps(child);
+ list_for_each_entry(child, &realm->children, child_item) {
+ dout("queue_realm_cap_snaps %p %llx queue child %p %llx\n",
+ realm, realm->ino, child, child->ino);
+ list_del_init(&child->dirty_item);
+ list_add(&child->dirty_item, &realm->dirty_item);
+ }
+ list_del_init(&realm->dirty_item);
dout("queue_realm_cap_snaps %p %llx done\n", realm, realm->ino);
}
@@ -683,7 +687,9 @@ more:
* queue cap snaps _after_ we've built the new snap contexts,
* so that i_head_snapc can be set appropriately.
*/
- list_for_each_entry(realm, &dirty_realms, dirty_item) {
+ while (!list_empty(&dirty_realms)) {
+ realm = list_first_entry(&dirty_realms, struct ceph_snap_realm,
+ dirty_item);
queue_realm_cap_snaps(realm);
}
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 20b907d76ae2..88fcaa21b801 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -207,6 +207,7 @@ struct ceph_dentry_info {
struct dentry *dentry;
u64 time;
u64 offset;
+ struct inode *parent_inode;
};
struct ceph_inode_xattrs_info {