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pNFS: Don't mark the inode as revalidated if a LAYOUTCOMMIT is outstanding

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We know that the attributes will need updating if there is still a
LAYOUTCOMMIT outstanding.

Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2016-07-18 00:51:01 -04:00
parent 8b7d9d09b2
commit 10b7e9ad44
2 changed files with 11 additions and 1 deletions
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5
fs/nfs/inode.c
View File

@ -1664,7 +1664,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
unsigned long now = jiffies;
unsigned long save_cache_validity;
bool have_writers = nfs_file_has_buffered_writers(nfsi);
bool cache_revalidated = true;
bool cache_revalidated;
dfprintk(VFS, "NFS: %s(%s/%lu fh_crc=0x%08x ct=%d info=0x%x)\n",
__func__, inode->i_sb->s_id, inode->i_ino,
@ -1713,6 +1713,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
/* Do atomic weak cache consistency updates */
invalid |= nfs_wcc_update_inode(inode, fattr);
cache_revalidated = !pnfs_layoutcommit_outstanding(inode);
/* More cache consistency checks */
if (fattr->valid & NFS_ATTR_FATTR_CHANGE) {
if (inode->i_version != fattr->change_attr) {

7
fs/nfs/pnfs.h
View File

@ -628,6 +628,13 @@ pnfs_sync_inode(struct inode *inode, bool datasync)
return 0;
}
static inline bool
pnfs_layoutcommit_outstanding(struct inode *inode)
{
return false;
}
static inline bool
pnfs_roc(struct inode *ino)
{