From d0b2f91bede3bd5e3d24dd6803e56eee959c1797 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Thu, 20 Oct 2016 00:10:27 -0300 Subject: Linux-libre 4.8.2-gnu --- fs/ceph/inode.c | 44 ++++++++++++++++++++++++++++++++++---------- 1 file changed, 34 insertions(+), 10 deletions(-) (limited to 'fs/ceph/inode.c') diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index f059b5997..dd3a6dbf7 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -446,7 +446,7 @@ struct inode *ceph_alloc_inode(struct super_block *sb) ci->i_symlink = NULL; memset(&ci->i_dir_layout, 0, sizeof(ci->i_dir_layout)); - ci->i_pool_ns_len = 0; + RCU_INIT_POINTER(ci->i_layout.pool_ns, NULL); ci->i_fragtree = RB_ROOT; mutex_init(&ci->i_fragtree_mutex); @@ -468,7 +468,7 @@ struct inode *ceph_alloc_inode(struct super_block *sb) INIT_LIST_HEAD(&ci->i_dirty_item); INIT_LIST_HEAD(&ci->i_flushing_item); ci->i_prealloc_cap_flush = NULL; - ci->i_cap_flush_tree = RB_ROOT; + INIT_LIST_HEAD(&ci->i_cap_flush_list); init_waitqueue_head(&ci->i_cap_wq); ci->i_hold_caps_min = 0; ci->i_hold_caps_max = 0; @@ -477,7 +477,7 @@ struct inode *ceph_alloc_inode(struct super_block *sb) ci->i_head_snapc = NULL; ci->i_snap_caps = 0; - for (i = 0; i < CEPH_FILE_MODE_NUM; i++) + for (i = 0; i < CEPH_FILE_MODE_BITS; i++) ci->i_nr_by_mode[i] = 0; mutex_init(&ci->i_truncate_mutex); @@ -570,6 +570,8 @@ void ceph_destroy_inode(struct inode *inode) if (ci->i_xattrs.prealloc_blob) ceph_buffer_put(ci->i_xattrs.prealloc_blob); + ceph_put_string(rcu_dereference_raw(ci->i_layout.pool_ns)); + call_rcu(&inode->i_rcu, ceph_i_callback); } @@ -583,6 +585,14 @@ int ceph_drop_inode(struct inode *inode) return 1; } +void ceph_evict_inode(struct inode *inode) +{ + /* wait unsafe sync writes */ + ceph_sync_write_wait(inode); + truncate_inode_pages_final(&inode->i_data); + clear_inode(inode); +} + static inline blkcnt_t calc_inode_blocks(u64 size) { return (size + (1<<9) - 1) >> 9; @@ -733,6 +743,7 @@ static int fill_inode(struct inode *inode, struct page *locked_page, int issued = 0, implemented, new_issued; struct timespec mtime, atime, ctime; struct ceph_buffer *xattr_blob = NULL; + struct ceph_string *pool_ns = NULL; struct ceph_cap *new_cap = NULL; int err = 0; bool wake = false; @@ -760,6 +771,10 @@ static int fill_inode(struct inode *inode, struct page *locked_page, iinfo->xattr_len); } + if (iinfo->pool_ns_len > 0) + pool_ns = ceph_find_or_create_string(iinfo->pool_ns_data, + iinfo->pool_ns_len); + spin_lock(&ci->i_ceph_lock); /* @@ -814,10 +829,18 @@ static int fill_inode(struct inode *inode, struct page *locked_page, if (new_version || (new_issued & (CEPH_CAP_ANY_FILE_RD | CEPH_CAP_ANY_FILE_WR))) { - if (ci->i_layout.fl_pg_pool != info->layout.fl_pg_pool) + s64 old_pool = ci->i_layout.pool_id; + struct ceph_string *old_ns; + + ceph_file_layout_from_legacy(&ci->i_layout, &info->layout); + old_ns = rcu_dereference_protected(ci->i_layout.pool_ns, + lockdep_is_held(&ci->i_ceph_lock)); + rcu_assign_pointer(ci->i_layout.pool_ns, pool_ns); + + if (ci->i_layout.pool_id != old_pool || pool_ns != old_ns) ci->i_ceph_flags &= ~CEPH_I_POOL_PERM; - ci->i_layout = info->layout; - ci->i_pool_ns_len = iinfo->pool_ns_len; + + pool_ns = old_ns; queue_trunc = ceph_fill_file_size(inode, issued, le32_to_cpu(info->truncate_seq), @@ -985,6 +1008,7 @@ out: ceph_put_cap(mdsc, new_cap); if (xattr_blob) ceph_buffer_put(xattr_blob); + ceph_put_string(pool_ns); return err; } @@ -1018,7 +1042,7 @@ static void update_dentry_lease(struct dentry *dentry, goto out_unlock; if (di->lease_gen == session->s_cap_gen && - time_before(ttl, dentry->d_time)) + time_before(ttl, di->time)) goto out_unlock; /* we already have a newer lease. */ if (di->lease_session && di->lease_session != session) @@ -1032,7 +1056,7 @@ static void update_dentry_lease(struct dentry *dentry, di->lease_seq = le32_to_cpu(lease->seq); di->lease_renew_after = half_ttl; di->lease_renew_from = 0; - dentry->d_time = ttl; + di->time = ttl; out_unlock: spin_unlock(&dentry->d_lock); return; @@ -1164,7 +1188,7 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req, dname.name = rinfo->dname; dname.len = rinfo->dname_len; - dname.hash = full_name_hash(dname.name, dname.len); + dname.hash = full_name_hash(parent, dname.name, dname.len); vino.ino = le64_to_cpu(rinfo->targeti.in->ino); vino.snap = le64_to_cpu(rinfo->targeti.in->snapid); retry_lookup: @@ -1508,7 +1532,7 @@ int ceph_readdir_prepopulate(struct ceph_mds_request *req, dname.name = rde->name; dname.len = rde->name_len; - dname.hash = full_name_hash(dname.name, dname.len); + dname.hash = full_name_hash(parent, dname.name, dname.len); vino.ino = le64_to_cpu(rde->inode.in->ino); vino.snap = le64_to_cpu(rde->inode.in->snapid); -- cgit v1.2.3-54-g00ecf