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-rw-r--r--fs/ceph/inode.c97
1 files changed, 51 insertions, 46 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 85b4d2ffdeb..a81b8b662c7 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -384,7 +384,7 @@ void ceph_destroy_inode(struct inode *inode)
*/
if (ci->i_snap_realm) {
struct ceph_mds_client *mdsc =
- &ceph_client(ci->vfs_inode.i_sb)->mdsc;
+ &ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc;
struct ceph_snap_realm *realm = ci->i_snap_realm;
dout(" dropping residual ref to snap realm %p\n", realm);
@@ -619,11 +619,12 @@ static int fill_inode(struct inode *inode,
memcpy(ci->i_xattrs.blob->vec.iov_base,
iinfo->xattr_data, iinfo->xattr_len);
ci->i_xattrs.version = le64_to_cpu(info->xattr_version);
+ xattr_blob = NULL;
}
inode->i_mapping->a_ops = &ceph_aops;
inode->i_mapping->backing_dev_info =
- &ceph_client(inode->i_sb)->backing_dev_info;
+ &ceph_sb_to_client(inode->i_sb)->backing_dev_info;
switch (inode->i_mode & S_IFMT) {
case S_IFIFO:
@@ -674,14 +675,15 @@ static int fill_inode(struct inode *inode,
/* set dir completion flag? */
if (ci->i_files == 0 && ci->i_subdirs == 0 &&
ceph_snap(inode) == CEPH_NOSNAP &&
- (le32_to_cpu(info->cap.caps) & CEPH_CAP_FILE_SHARED)) {
+ (le32_to_cpu(info->cap.caps) & CEPH_CAP_FILE_SHARED) &&
+ (ci->i_ceph_flags & CEPH_I_COMPLETE) == 0) {
dout(" marking %p complete (empty)\n", inode);
ci->i_ceph_flags |= CEPH_I_COMPLETE;
ci->i_max_offset = 2;
}
/* it may be better to set st_size in getattr instead? */
- if (ceph_test_opt(ceph_client(inode->i_sb), RBYTES))
+ if (ceph_test_opt(ceph_sb_to_client(inode->i_sb), RBYTES))
inode->i_size = ci->i_rbytes;
break;
default:
@@ -802,6 +804,37 @@ out_unlock:
}
/*
+ * Set dentry's directory position based on the current dir's max, and
+ * order it in d_subdirs, so that dcache_readdir behaves.
+ */
+static void ceph_set_dentry_offset(struct dentry *dn)
+{
+ struct dentry *dir = dn->d_parent;
+ struct inode *inode = dn->d_parent->d_inode;
+ struct ceph_dentry_info *di;
+
+ BUG_ON(!inode);
+
+ di = ceph_dentry(dn);
+
+ spin_lock(&inode->i_lock);
+ if ((ceph_inode(inode)->i_ceph_flags & CEPH_I_COMPLETE) == 0) {
+ spin_unlock(&inode->i_lock);
+ return;
+ }
+ di->offset = ceph_inode(inode)->i_max_offset++;
+ spin_unlock(&inode->i_lock);
+
+ spin_lock(&dcache_lock);
+ spin_lock(&dn->d_lock);
+ list_move_tail(&dir->d_subdirs, &dn->d_u.d_child);
+ dout("set_dentry_offset %p %lld (%p %p)\n", dn, di->offset,
+ dn->d_u.d_child.prev, dn->d_u.d_child.next);
+ spin_unlock(&dn->d_lock);
+ spin_unlock(&dcache_lock);
+}
+
+/*
* splice a dentry to an inode.
* caller must hold directory i_mutex for this to be safe.
*
@@ -814,6 +847,8 @@ static struct dentry *splice_dentry(struct dentry *dn, struct inode *in,
{
struct dentry *realdn;
+ BUG_ON(dn->d_inode);
+
/* dn must be unhashed */
if (!d_unhashed(dn))
d_drop(dn);
@@ -835,44 +870,17 @@ static struct dentry *splice_dentry(struct dentry *dn, struct inode *in,
dn = realdn;
} else {
BUG_ON(!ceph_dentry(dn));
-
dout("dn %p attached to %p ino %llx.%llx\n",
dn, dn->d_inode, ceph_vinop(dn->d_inode));
}
if ((!prehash || *prehash) && d_unhashed(dn))
d_rehash(dn);
+ ceph_set_dentry_offset(dn);
out:
return dn;
}
/*
- * Set dentry's directory position based on the current dir's max, and
- * order it in d_subdirs, so that dcache_readdir behaves.
- */
-static void ceph_set_dentry_offset(struct dentry *dn)
-{
- struct dentry *dir = dn->d_parent;
- struct inode *inode = dn->d_parent->d_inode;
- struct ceph_dentry_info *di;
-
- BUG_ON(!inode);
-
- di = ceph_dentry(dn);
-
- spin_lock(&inode->i_lock);
- di->offset = ceph_inode(inode)->i_max_offset++;
- spin_unlock(&inode->i_lock);
-
- spin_lock(&dcache_lock);
- spin_lock(&dn->d_lock);
- list_move_tail(&dir->d_subdirs, &dn->d_u.d_child);
- dout("set_dentry_offset %p %lld (%p %p)\n", dn, di->offset,
- dn->d_u.d_child.prev, dn->d_u.d_child.next);
- spin_unlock(&dn->d_lock);
- spin_unlock(&dcache_lock);
-}
-
-/*
* Incorporate results into the local cache. This is either just
* one inode, or a directory, dentry, and possibly linked-to inode (e.g.,
* after a lookup).
@@ -933,14 +941,8 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
if (!rinfo->head->is_target && !rinfo->head->is_dentry) {
dout("fill_trace reply is empty!\n");
- if (rinfo->head->result == 0 && req->r_locked_dir) {
- struct ceph_inode_info *ci =
- ceph_inode(req->r_locked_dir);
- dout(" clearing %p complete (empty trace)\n",
- req->r_locked_dir);
- ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
- ci->i_release_count++;
- }
+ if (rinfo->head->result == 0 && req->r_locked_dir)
+ ceph_invalidate_dir_request(req);
return 0;
}
@@ -1011,13 +1013,18 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
req->r_old_dentry->d_name.len,
req->r_old_dentry->d_name.name,
dn, dn->d_name.len, dn->d_name.name);
+
/* ensure target dentry is invalidated, despite
rehashing bug in vfs_rename_dir */
- dn->d_time = jiffies;
- ceph_dentry(dn)->lease_shared_gen = 0;
+ ceph_invalidate_dentry_lease(dn);
+
/* take overwritten dentry's readdir offset */
+ dout("dn %p gets %p offset %lld (old offset %lld)\n",
+ req->r_old_dentry, dn, ceph_dentry(dn)->offset,
+ ceph_dentry(req->r_old_dentry)->offset);
ceph_dentry(req->r_old_dentry)->offset =
ceph_dentry(dn)->offset;
+
dn = req->r_old_dentry; /* use old_dentry */
in = dn->d_inode;
}
@@ -1059,7 +1066,6 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
goto done;
}
req->r_dentry = dn; /* may have spliced */
- ceph_set_dentry_offset(dn);
igrab(in);
} else if (ceph_ino(in) == vino.ino &&
ceph_snap(in) == vino.snap) {
@@ -1102,7 +1108,6 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
err = PTR_ERR(dn);
goto done;
}
- ceph_set_dentry_offset(dn);
req->r_dentry = dn; /* may have spliced */
igrab(in);
rinfo->head->is_dentry = 1; /* fool notrace handlers */
@@ -1429,7 +1434,7 @@ void ceph_queue_vmtruncate(struct inode *inode)
{
struct ceph_inode_info *ci = ceph_inode(inode);
- if (queue_work(ceph_client(inode->i_sb)->trunc_wq,
+ if (queue_work(ceph_sb_to_client(inode->i_sb)->trunc_wq,
&ci->i_vmtruncate_work)) {
dout("ceph_queue_vmtruncate %p\n", inode);
igrab(inode);
@@ -1518,7 +1523,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
struct inode *parent_inode = dentry->d_parent->d_inode;
const unsigned int ia_valid = attr->ia_valid;
struct ceph_mds_request *req;
- struct ceph_mds_client *mdsc = &ceph_client(dentry->d_sb)->mdsc;
+ struct ceph_mds_client *mdsc = &ceph_sb_to_client(dentry->d_sb)->mdsc;
int issued;
int release = 0, dirtied = 0;
int mask = 0;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-27 21:33:52 +0000