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Commit 38512aa9 authored by Trond Myklebust's avatar Trond Myklebust
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NFS: Don't flush caches for a getattr that races with writeback 



If there were outstanding writes then chalk up the unexpected change
attribute on the server to them.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent 5edb5649

fs/nfs/inode.c

+9 −6
Original line number Diff line number Diff line
@@ -1729,12 +1729,15 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) 
		if (inode->i_version != fattr->change_attr) {

			dprintk("NFS: change_attr change on server for file %s/%ld\n",

					inode->i_sb->s_id, inode->i_ino);

			/* Could it be a race with writeback? */

			if (nfsi->nrequests == 0) {

				invalid |= NFS_INO_INVALID_ATTR

					| NFS_INO_INVALID_DATA

					| NFS_INO_INVALID_ACCESS

					| NFS_INO_INVALID_ACL;

				if (S_ISDIR(inode->i_mode))

					nfs_force_lookup_revalidate(inode);

			}

			inode->i_version = fattr->change_attr;

		}

	} else {