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orangefs: Implement inode_operations->permission().

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Thus d_revalidate is not obliged to check on as much, which will
eventually lead the way to hammering the filesystem servers much less.

Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
This commit is contained in:
Martin Brandenburg 2016-01-30 13:46:54 -05:00 • committed by Mike Marshall
parent fe88adc366
commit 933287da75
6 changed files with 34 additions and 1 deletions
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19
fs/orangefs/inode.c
View file

@ -291,6 +291,24 @@ int orangefs_getattr(struct vfsmount *mnt,
return ret;
}
int orangefs_permission(struct inode *inode, int mask)
{
int ret;
if (mask & MAY_NOT_BLOCK)
return -ECHILD;
gossip_debug(GOSSIP_INODE_DEBUG, "%s: refreshing\n", __func__);
/* Make sure the permission (and other common attrs) are up to date. */
ret = orangefs_inode_getattr(inode,
ORANGEFS_ATTR_SYS_ALL_NOHINT_NOSIZE, 0);
if (ret < 0)
return ret;
return generic_permission(inode, mask);
}
/* ORANGEDS2 implementation of VFS inode operations for files */
struct inode_operations orangefs_file_inode_operations = {
.get_acl = orangefs_get_acl,
@ -301,6 +319,7 @@ struct inode_operations orangefs_file_inode_operations = {
.getxattr = generic_getxattr,
.listxattr = orangefs_listxattr,
.removexattr = generic_removexattr,
.permission = orangefs_permission,
};
static int orangefs_init_iops(struct inode *inode)