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NFS: Clean up process of marking inode stale.

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Instead of the various open coded calls to set the NFS_INO_STALE bit
and call nfs_zap_caches(), consolidate them into a single function
nfs_set_inode_stale().

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust
2020-04-06 13:39:29 -04:00
parent 1fab7dc477
commit 93ce4af774
5 changed files with 19 additions and 8 deletions
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18
fs/nfs/inode.c
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@@ -62,7 +62,6 @@
/* Default is to see 64-bit inode numbers */
static bool enable_ino64 = NFS_64_BIT_INODE_NUMBERS_ENABLED;
static void nfs_invalidate_inode(struct inode *);
static int nfs_update_inode(struct inode *, struct nfs_fattr *);
static struct kmem_cache * nfs_inode_cachep;
@@ -284,10 +283,18 @@ EXPORT_SYMBOL_GPL(nfs_invalidate_atime);
* Invalidate, but do not unhash, the inode.
* NB: must be called with inode->i_lock held!
*/
static void nfs_invalidate_inode(struct inode *inode)
static void nfs_set_inode_stale_locked(struct inode *inode)
{
set_bit(NFS_INO_STALE, &NFS_I(inode)->flags);
nfs_zap_caches_locked(inode);
trace_nfs_set_inode_stale(inode);
}
void nfs_set_inode_stale(struct inode *inode)
{
spin_lock(&inode->i_lock);
nfs_set_inode_stale_locked(inode);
spin_unlock(&inode->i_lock);
}
struct nfs_find_desc {
@@ -1163,9 +1170,10 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
status = 0;
break;
case -ESTALE:
nfs_zap_caches(inode);
if (!S_ISDIR(inode->i_mode))
set_bit(NFS_INO_STALE, &NFS_I(inode)->flags);
nfs_set_inode_stale(inode);
else
nfs_zap_caches(inode);
}
goto err_out;
}
@@ -2064,7 +2072,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
* lookup validation will know that the inode is bad.
* (But we fall through to invalidate the caches.)
*/
nfs_invalidate_inode(inode);
nfs_set_inode_stale_locked(inode);
return -ESTALE;
}