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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-21 15:01:38 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-21 15:01:38 -0800 |
| commit | 8bd89ca22010847e85de37b77d9f19f16b1962ad (patch) | |
| tree | 0bcee2ae6a85443177a6d95ed960301e0f4c9d57 /fs | |
| parent | b08b69a110bd981909c248f89997dcdcdfd5a39c (diff) | |
| parent | 97d79b403ef03f729883246208ef5d8a2ebc4d68 (diff) | |
| download | lwn-8bd89ca22010847e85de37b77d9f19f16b1962ad.tar.gz lwn-8bd89ca22010847e85de37b77d9f19f16b1962ad.zip | |
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')
| -rw-r--r-- | fs/ceph/dir.c | 5 | ||||
| -rw-r--r-- | fs/ceph/snap.c | 14 | ||||
| -rw-r--r-- | fs/ceph/super.h | 1 |
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 { |