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authorMartin Brandenburg <martin@omnibond.com>2018-02-06 14:01:25 +0000
committerMike Marshall <hubcap@omnibond.com>2018-02-06 16:38:13 -0500
commit480e5ae9b860c8a1c74ab9414f9bd78a43ad356f (patch)
tree2a8c054b3169165ac271dfc55cdc3d242bc69d4b /fs/orangefs
parentcf546ab6b189ab8b3acb26bbc2f0af4df21f16c7 (diff)
downloadop-kernel-dev-480e5ae9b860c8a1c74ab9414f9bd78a43ad356f.zip
op-kernel-dev-480e5ae9b860c8a1c74ab9414f9bd78a43ad356f.tar.gz
orangefs: simplify orangefs_inode_is_stale
Check whether this is a new inode at location of call. Raises the question of what to do with an unknown inode type. Old code would've marked the inode bad and returned ESTALE. Signed-off-by: Martin Brandenburg <martin@omnibond.com> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
Diffstat (limited to 'fs/orangefs')
-rw-r--r--fs/orangefs/orangefs-utils.c54
1 files changed, 30 insertions, 24 deletions
diff --git a/fs/orangefs/orangefs-utils.c b/fs/orangefs/orangefs-utils.c
index ccddfca..ea6256d 100644
--- a/fs/orangefs/orangefs-utils.c
+++ b/fs/orangefs/orangefs-utils.c
@@ -249,25 +249,23 @@ static void orangefs_make_bad_inode(struct inode *inode)
}
}
-static int orangefs_inode_is_stale(struct inode *inode, int new,
+static int orangefs_inode_is_stale(struct inode *inode,
struct ORANGEFS_sys_attr_s *attrs, char *link_target)
{
struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
int type = orangefs_inode_type(attrs->objtype);
- if (!new) {
- /*
- * If the inode type or symlink target have changed then this
- * inode is stale.
- */
- if (type == -1 || !(inode->i_mode & type)) {
- orangefs_make_bad_inode(inode);
- return 1;
- }
- if (type == S_IFLNK && strncmp(orangefs_inode->link_target,
- link_target, ORANGEFS_NAME_MAX)) {
- orangefs_make_bad_inode(inode);
- return 1;
- }
+ /*
+ * If the inode type or symlink target have changed then this
+ * inode is stale.
+ */
+ if (type == -1 || !(inode->i_mode & type)) {
+ orangefs_make_bad_inode(inode);
+ return 1;
+ }
+ if (type == S_IFLNK && strncmp(orangefs_inode->link_target,
+ link_target, ORANGEFS_NAME_MAX)) {
+ orangefs_make_bad_inode(inode);
+ return 1;
}
return 0;
}
@@ -313,16 +311,18 @@ int orangefs_inode_getattr(struct inode *inode, int new, int bypass,
if (ret != 0)
goto out;
- type = orangefs_inode_type(new_op->
- downcall.resp.getattr.attributes.objtype);
- ret = orangefs_inode_is_stale(inode, new,
- &new_op->downcall.resp.getattr.attributes,
- new_op->downcall.resp.getattr.link_target);
- if (ret) {
- ret = -ESTALE;
- goto out;
+ if (!new) {
+ ret = orangefs_inode_is_stale(inode,
+ &new_op->downcall.resp.getattr.attributes,
+ new_op->downcall.resp.getattr.link_target);
+ if (ret) {
+ ret = -ESTALE;
+ goto out;
+ }
}
+ type = orangefs_inode_type(new_op->
+ downcall.resp.getattr.attributes.objtype);
switch (type) {
case S_IFREG:
inode->i_flags = orangefs_inode_flags(&new_op->
@@ -367,6 +367,12 @@ int orangefs_inode_getattr(struct inode *inode, int new, int bypass,
inode->i_link = orangefs_inode->link_target;
}
break;
+ /* i.e. -1 */
+ default:
+ /* XXX: ESTALE? This is what is done if it is not new. */
+ orangefs_make_bad_inode(inode);
+ ret = -ESTALE;
+ goto out;
}
inode->i_uid = make_kuid(&init_user_ns, new_op->
@@ -420,7 +426,7 @@ int orangefs_inode_check_changed(struct inode *inode)
if (ret != 0)
goto out;
- ret = orangefs_inode_is_stale(inode, 0,
+ ret = orangefs_inode_is_stale(inode,
&new_op->downcall.resp.getattr.attributes,
new_op->downcall.resp.getattr.link_target);
out:
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