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NFS: Don't zap caches on fallocate()

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This patch adds a GETATTR to the end of ALLOCATE and DEALLOCATE
operations so we can set the updated inode size and change attribute
directly.  DEALLOCATE will still need to release pagecache pages, so
nfs42_proc_deallocate() now calls truncate_pagecache_range() before
contacting the server.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Anna Schumaker 2015-03-16 14:06:23 -04:00 • committed by Trond Myklebust
parent 8c18d76bcb
commit 9a51940bf6
5 changed files with 39 additions and 10 deletions
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4
include/linux/nfs_xdr.h
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@ -1273,11 +1273,15 @@ struct nfs42_falloc_args {
nfs4_stateid falloc_stateid;
u64 falloc_offset;
u64 falloc_length;
const u32 *falloc_bitmask;
};
struct nfs42_falloc_res {
struct nfs4_sequence_res seq_res;
unsigned int status;
struct nfs_fattr *falloc_fattr;
const struct nfs_server *falloc_server;
};
struct nfs42_seek_args {