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ovl: allocate an ovl_inode struct

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We need some more space to store overlay inode data in memory,
so allocate overlay inodes from a slab of struct ovl_inode.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Amir Goldstein
2017-06-12 09:54:40 +03:00
committed by Miklos Szeredi
parent f681eb1d5c
commit 13cf199d00
2 changed files with 63 additions and 2 deletions
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9
fs/overlayfs/ovl_entry.h
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@@ -58,3 +58,12 @@ static inline struct dentry *ovl_upperdentry_dereference(struct ovl_entry *oe)
{
return lockless_dereference(oe->__upperdentry);
}
struct ovl_inode {
struct inode vfs_inode;
};
static inline struct ovl_inode *OVL_I(struct inode *inode)
{
return container_of(inode, struct ovl_inode, vfs_inode);
}