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Diffstat (limited to 'fs/ceph/inode.c')
-rw-r--r--fs/ceph/inode.c59
1 files changed, 31 insertions, 28 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 851814d951cd..be0f7e20d62e 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -302,7 +302,8 @@ struct inode *ceph_alloc_inode(struct super_block *sb)
ci->i_version = 0;
ci->i_time_warp_seq = 0;
ci->i_ceph_flags = 0;
- ci->i_release_count = 0;
+ atomic_set(&ci->i_release_count, 1);
+ atomic_set(&ci->i_complete_count, 0);
ci->i_symlink = NULL;
memset(&ci->i_dir_layout, 0, sizeof(ci->i_dir_layout));
@@ -561,7 +562,6 @@ static int fill_inode(struct inode *inode,
struct ceph_inode_info *ci = ceph_inode(inode);
int i;
int issued = 0, implemented;
- int updating_inode = 0;
struct timespec mtime, atime, ctime;
u32 nsplits;
struct ceph_buffer *xattr_blob = NULL;
@@ -601,7 +601,6 @@ static int fill_inode(struct inode *inode,
(ci->i_version & ~1) >= le64_to_cpu(info->version))
goto no_change;
- updating_inode = 1;
issued = __ceph_caps_issued(ci, &implemented);
issued |= implemented | __ceph_caps_dirty(ci);
@@ -717,6 +716,17 @@ static int fill_inode(struct inode *inode,
ceph_vinop(inode), inode->i_mode);
}
+ /* set dir completion flag? */
+ if (S_ISDIR(inode->i_mode) &&
+ ci->i_files == 0 && ci->i_subdirs == 0 &&
+ ceph_snap(inode) == CEPH_NOSNAP &&
+ (le32_to_cpu(info->cap.caps) & CEPH_CAP_FILE_SHARED) &&
+ (issued & CEPH_CAP_FILE_EXCL) == 0 &&
+ !__ceph_dir_is_complete(ci)) {
+ dout(" marking %p complete (empty)\n", inode);
+ __ceph_dir_set_complete(ci, atomic_read(&ci->i_release_count));
+ ci->i_max_offset = 2;
+ }
no_change:
spin_unlock(&ci->i_ceph_lock);
@@ -767,19 +777,6 @@ no_change:
__ceph_get_fmode(ci, cap_fmode);
}
- /* set dir completion flag? */
- if (S_ISDIR(inode->i_mode) &&
- updating_inode && /* didn't jump to no_change */
- ci->i_files == 0 && ci->i_subdirs == 0 &&
- ceph_snap(inode) == CEPH_NOSNAP &&
- (le32_to_cpu(info->cap.caps) & CEPH_CAP_FILE_SHARED) &&
- (issued & CEPH_CAP_FILE_EXCL) == 0 &&
- !ceph_dir_test_complete(inode)) {
- dout(" marking %p complete (empty)\n", inode);
- ceph_dir_set_complete(inode);
- ci->i_max_offset = 2;
- }
-
/* update delegation info? */
if (dirinfo)
ceph_fill_dirfrag(inode, dirinfo);
@@ -861,7 +858,7 @@ static void ceph_set_dentry_offset(struct dentry *dn)
di = ceph_dentry(dn);
spin_lock(&ci->i_ceph_lock);
- if (!ceph_dir_test_complete(inode)) {
+ if (!__ceph_dir_is_complete(ci)) {
spin_unlock(&ci->i_ceph_lock);
return;
}
@@ -1065,8 +1062,8 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
/*
* d_move() puts the renamed dentry at the end of
* d_subdirs. We need to assign it an appropriate
- * directory offset so we can behave when holding
- * D_COMPLETE.
+ * directory offset so we can behave when dir is
+ * complete.
*/
ceph_set_dentry_offset(req->r_old_dentry);
dout("dn %p gets new offset %lld\n", req->r_old_dentry,
@@ -1457,7 +1454,7 @@ out:
/*
- * called by trunc_wq; take i_mutex ourselves
+ * called by trunc_wq;
*
* We also truncate in a separate thread as well.
*/
@@ -1468,9 +1465,7 @@ static void ceph_vmtruncate_work(struct work_struct *work)
struct inode *inode = &ci->vfs_inode;
dout("vmtruncate_work %p\n", inode);
- mutex_lock(&inode->i_mutex);
- __ceph_do_pending_vmtruncate(inode);
- mutex_unlock(&inode->i_mutex);
+ __ceph_do_pending_vmtruncate(inode, true);
iput(inode);
}
@@ -1494,12 +1489,10 @@ void ceph_queue_vmtruncate(struct inode *inode)
}
/*
- * called with i_mutex held.
- *
* Make sure any pending truncation is applied before doing anything
* that may depend on it.
*/
-void __ceph_do_pending_vmtruncate(struct inode *inode)
+void __ceph_do_pending_vmtruncate(struct inode *inode, bool needlock)
{
struct ceph_inode_info *ci = ceph_inode(inode);
u64 to;
@@ -1532,7 +1525,11 @@ retry:
ci->i_truncate_pending, to);
spin_unlock(&ci->i_ceph_lock);
+ if (needlock)
+ mutex_lock(&inode->i_mutex);
truncate_inode_pages(inode->i_mapping, to);
+ if (needlock)
+ mutex_unlock(&inode->i_mutex);
spin_lock(&ci->i_ceph_lock);
if (to == ci->i_truncate_size) {
@@ -1563,6 +1560,12 @@ static void *ceph_sym_follow_link(struct dentry *dentry, struct nameidata *nd)
static const struct inode_operations ceph_symlink_iops = {
.readlink = generic_readlink,
.follow_link = ceph_sym_follow_link,
+ .setattr = ceph_setattr,
+ .getattr = ceph_getattr,
+ .setxattr = ceph_setxattr,
+ .getxattr = ceph_getxattr,
+ .listxattr = ceph_listxattr,
+ .removexattr = ceph_removexattr,
};
/*
@@ -1585,7 +1588,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
if (ceph_snap(inode) != CEPH_NOSNAP)
return -EROFS;
- __ceph_do_pending_vmtruncate(inode);
+ __ceph_do_pending_vmtruncate(inode, false);
err = inode_change_ok(inode, attr);
if (err != 0)
@@ -1767,7 +1770,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
ceph_cap_string(dirtied), mask);
ceph_mdsc_put_request(req);
- __ceph_do_pending_vmtruncate(inode);
+ __ceph_do_pending_vmtruncate(inode, false);
return err;
out:
spin_unlock(&ci->i_ceph_lock);