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NFS: Add helper functions for allocating filehandles and fattr structs

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NFS Filehandles and struct fattr are really too large to be allocated on
the stack. This patch adds in a couple of helper functions to allocate them
dynamically instead.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2010-04-16 16:22:45 -04:00
parent fc54a0c65f
commit 2d36bfde85
2 changed files with 34 additions and 0 deletions
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14
include/linux/nfs_fs.h
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@@ -356,6 +356,20 @@ extern struct nfs_open_context *nfs_find_open_context(struct inode *inode, struc
extern u64 nfs_compat_user_ino64(u64 fileid);
extern void nfs_fattr_init(struct nfs_fattr *fattr);
extern struct nfs_fattr *nfs_alloc_fattr(void);
static inline void nfs_free_fattr(const struct nfs_fattr *fattr)
{
kfree(fattr);
}
extern struct nfs_fh *nfs_alloc_fhandle(void);
static inline void nfs_free_fhandle(const struct nfs_fh *fh)
{
kfree(fh);
}
/* linux/net/ipv4/ipconfig.c: trims ip addr off front of name, too. */
extern __be32 root_nfs_parse_addr(char *name); /*__init*/
extern unsigned long nfs_inc_attr_generation_counter(void);