ceph: pass filp to ceph_get_caps()

Also change several other functions' arguments, no logical changes.
This is preparetion for later patch that checks filp error.

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

1 files changed, 17 insertions, 15 deletions

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 321ba9b30968..bde81aaa3750 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2570,10 +2570,10 @@ static void __take_cap_refs(struct ceph_inode_info *ci, int got,
  *
  * FIXME: how does a 0 return differ from -EAGAIN?
  */
-static int try_get_cap_refs(struct ceph_inode_info *ci, int need, int want,
+static int try_get_cap_refs(struct inode *inode, int need, int want,
 			    loff_t endoff, bool nonblock, int *got)
 {
-	struct inode *inode = &ci->vfs_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
 	int ret = 0;
 	int have, implemented;
@@ -2741,18 +2741,18 @@ static void check_max_size(struct inode *inode, loff_t endoff)
 		ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
 }
 
-int ceph_try_get_caps(struct ceph_inode_info *ci, int need, int want,
+int ceph_try_get_caps(struct inode *inode, int need, int want,
 		      bool nonblock, int *got)
 {
 	int ret;
 
 	BUG_ON(need & ~CEPH_CAP_FILE_RD);
 	BUG_ON(want & ~(CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO|CEPH_CAP_FILE_SHARED));
-	ret = ceph_pool_perm_check(ci, need);
+	ret = ceph_pool_perm_check(inode, need);
 	if (ret < 0)
 		return ret;
 
-	ret = try_get_cap_refs(ci, need, want, 0, nonblock, got);
+	ret = try_get_cap_refs(inode, need, want, 0, nonblock, got);
 	return ret == -EAGAIN ? 0 : ret;
 }
 
@@ -2761,21 +2761,23 @@ int ceph_try_get_caps(struct ceph_inode_info *ci, int need, int want,
  * due to a small max_size, make sure we check_max_size (and possibly
  * ask the mds) so we don't get hung up indefinitely.
  */
-int ceph_get_caps(struct ceph_inode_info *ci, int need, int want,
+int ceph_get_caps(struct file *filp, int need, int want,
 		  loff_t endoff, int *got, struct page **pinned_page)
 {
+	struct inode *inode = file_inode(filp);
+	struct ceph_inode_info *ci = ceph_inode(inode);
 	int _got, ret;
 
-	ret = ceph_pool_perm_check(ci, need);
+	ret = ceph_pool_perm_check(inode, need);
 	if (ret < 0)
 		return ret;
 
 	while (true) {
 		if (endoff > 0)
-			check_max_size(&ci->vfs_inode, endoff);
+			check_max_size(inode, endoff);
 
 		_got = 0;
-		ret = try_get_cap_refs(ci, need, want, endoff,
+		ret = try_get_cap_refs(inode, need, want, endoff,
 				       false, &_got);
 		if (ret == -EAGAIN)
 			continue;
@@ -2783,8 +2785,8 @@ int ceph_get_caps(struct ceph_inode_info *ci, int need, int want,
 			DEFINE_WAIT_FUNC(wait, woken_wake_function);
 			add_wait_queue(&ci->i_cap_wq, &wait);
 
-			while (!(ret = try_get_cap_refs(ci, need, want, endoff,
-							true, &_got))) {
+			while (!(ret = try_get_cap_refs(inode, need, want,
+							endoff, true, &_got))) {
 				if (signal_pending(current)) {
 					ret = -ERESTARTSYS;
 					break;
@@ -2799,7 +2801,7 @@ int ceph_get_caps(struct ceph_inode_info *ci, int need, int want,
 		if (ret < 0) {
 			if (ret == -ESTALE) {
 				/* session was killed, try renew caps */
-				ret = ceph_renew_caps(&ci->vfs_inode);
+				ret = ceph_renew_caps(inode);
 				if (ret == 0)
 					continue;
 			}
@@ -2808,9 +2810,9 @@ int ceph_get_caps(struct ceph_inode_info *ci, int need, int want,
 
 		if (ci->i_inline_version != CEPH_INLINE_NONE &&
 		    (_got & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO)) &&
-		    i_size_read(&ci->vfs_inode) > 0) {
+		    i_size_read(inode) > 0) {
 			struct page *page =
-				find_get_page(ci->vfs_inode.i_mapping, 0);
+				find_get_page(inode->i_mapping, 0);
 			if (page) {
 				if (PageUptodate(page)) {
 					*pinned_page = page;
@@ -2829,7 +2831,7 @@ int ceph_get_caps(struct ceph_inode_info *ci, int need, int want,
 			 * getattr request will bring inline data into
 			 * page cache
 			 */
-			ret = __ceph_do_getattr(&ci->vfs_inode, NULL,
+			ret = __ceph_do_getattr(inode, NULL,
 						CEPH_STAT_CAP_INLINE_DATA,
 						true);
 			if (ret < 0)