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authorMartin Brandenburg <martin@omnibond.com>2016-03-17 16:01:52 -0400
committerMike Marshall <hubcap@omnibond.com>2016-03-23 17:36:15 -0400
commit266626339b688e650f4197fb8e54532581e18cae (patch)
treeded87e262e16c58a4d8143c0352078fc3c85fee7 /fs/orangefs
parent5859d77e56e470ba16960befcd948c97a6f62102 (diff)
downloadop-kernel-dev-266626339b688e650f4197fb8e54532581e18cae.zip
op-kernel-dev-266626339b688e650f4197fb8e54532581e18cae.tar.gz
orangefs: refactor inode type or link_target change detection
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.c77
1 files changed, 36 insertions, 41 deletions
diff --git a/fs/orangefs/orangefs-utils.c b/fs/orangefs/orangefs-utils.c
index 6643a6a..36ee30d 100644
--- a/fs/orangefs/orangefs-utils.c
+++ b/fs/orangefs/orangefs-utils.c
@@ -228,12 +228,35 @@ static int orangefs_inode_type(enum orangefs_ds_type objtype)
return -1;
}
+static int orangefs_inode_is_stale(struct inode *inode, int new,
+ 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;
+ }
+ }
+ return 0;
+}
+
int orangefs_inode_getattr(struct inode *inode, int new, int size)
{
struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
struct orangefs_kernel_op_s *new_op;
loff_t inode_size, rounded_up_size;
- int ret;
+ int ret, type;
gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU\n", __func__,
get_khandle_from_ino(inode));
@@ -250,28 +273,17 @@ int orangefs_inode_getattr(struct inode *inode, int new, int size)
if (ret != 0)
goto out;
- ret = orangefs_inode_type(new_op->
+ type = orangefs_inode_type(new_op->
downcall.resp.getattr.attributes.objtype);
- if (!new) {
- /*
- * If the inode type or symlink target have changed then this
- * inode is stale.
- */
- if (ret == -1 || !(inode->i_mode & ret)) {
- orangefs_make_bad_inode(inode);
- ret = -ESTALE;
- goto out;
- }
- if (ret == S_IFLNK && strncmp(orangefs_inode->link_target,
- new_op->downcall.resp.getattr.link_target,
- ORANGEFS_NAME_MAX)) {
- orangefs_make_bad_inode(inode);
- ret = -ESTALE;
- goto out;
- }
+ 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;
}
- switch (ret) {
+ switch (type) {
case S_IFREG:
inode->i_flags = orangefs_inode_flags(&new_op->
downcall.resp.getattr.attributes);
@@ -325,7 +337,7 @@ int orangefs_inode_getattr(struct inode *inode, int new, int size)
inode->i_ctime.tv_nsec = 0;
/* special case: mark the root inode as sticky */
- inode->i_mode = ret | (is_root_handle(inode) ? S_ISVTX : 0) |
+ inode->i_mode = type | (is_root_handle(inode) ? S_ISVTX : 0) |
orangefs_inode_perms(&new_op->downcall.resp.getattr.attributes);
ret = 0;
@@ -355,26 +367,9 @@ int orangefs_inode_check_changed(struct inode *inode)
if (ret != 0)
goto out;
- ret = orangefs_inode_type(new_op->
- downcall.resp.getattr.attributes.objtype);
- /*
- * If the inode type or symlink target have changed then this
- * inode is stale.
- */
- if (ret == -1 || !(inode->i_mode & ret)) {
- orangefs_make_bad_inode(inode);
- ret = 1;
- goto out;
- }
- if (ret == S_IFLNK && strncmp(orangefs_inode->link_target,
- new_op->downcall.resp.getattr.link_target,
- ORANGEFS_NAME_MAX)) {
- orangefs_make_bad_inode(inode);
- ret = 1;
- goto out;
- }
-
- ret = 0;
+ ret = orangefs_inode_is_stale(inode, 0,
+ &new_op->downcall.resp.getattr.attributes,
+ new_op->downcall.resp.getattr.link_target);
out:
op_release(new_op);
return ret;
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