2e72448b07
This adds the copy_range file_ops function pointer used by the sys_copy_range() function call. This patch only implements sync copies, so if an async copy happens we decode the stateid and ignore it. Signed-off-by: Anna Schumaker <bjschuma@netapp.com>
23 lines
804 B
C
23 lines
804 B
C
/*
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* Copyright (c) 2014 Anna Schumaker <Anna.Schumaker@Netapp.com>
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*/
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#ifndef __LINUX_FS_NFS_NFS4_2_H
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#define __LINUX_FS_NFS_NFS4_2_H
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/*
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* FIXME: four LAYOUTSTATS calls per compound at most! Do we need to support
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* more? Need to consider not to pre-alloc too much for a compound.
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*/
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#define PNFS_LAYOUTSTATS_MAXDEV (4)
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/* nfs4.2proc.c */
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int nfs42_proc_allocate(struct file *, loff_t, loff_t);
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ssize_t nfs42_proc_copy(struct file *, loff_t, struct file *, loff_t, size_t);
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int nfs42_proc_deallocate(struct file *, loff_t, loff_t);
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loff_t nfs42_proc_llseek(struct file *, loff_t, int);
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int nfs42_proc_layoutstats_generic(struct nfs_server *,
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struct nfs42_layoutstat_data *);
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int nfs42_proc_clone(struct file *, struct file *, loff_t, loff_t, loff_t);
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#endif /* __LINUX_FS_NFS_NFS4_2_H */
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