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Invalidate fscache cookie only when inode attributes are changed. 

For example if mtime or size has changed.

Signed-off-by: Rohith Surabattula <rohiths@microsoft.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Rohith Surabattula 2022-02-01 07:22:02 +00:00 committed by Steve French
parent 46f5cbdef7
commit 40c845c176
1 changed files with 4 additions and 4 deletions
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8
fs/cifs/inode.c
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@ -83,6 +83,7 @@ static void cifs_set_ops(struct inode *inode)
static void
cifs_revalidate_cache(struct inode *inode, struct cifs_fattr *fattr)
{
struct cifs_fscache_inode_coherency_data cd;
struct cifsInodeInfo *cifs_i = CIFS_I(inode);
cifs_dbg(FYI, "%s: revalidating inode %llu\n",
@ -113,6 +114,9 @@ cifs_revalidate_cache(struct inode *inode, struct cifs_fattr *fattr)
cifs_dbg(FYI, "%s: invalidating inode %llu mapping\n",
__func__, cifs_i->uniqueid);
set_bit(CIFS_INO_INVALID_MAPPING, &cifs_i->flags);
/* Invalidate fscache cookie */
cifs_fscache_fill_coherency(&cifs_i->vfs_inode, &cd);
fscache_invalidate(cifs_inode_cookie(inode), &cd, i_size_read(inode), 0);
}
/*
@ -2261,8 +2265,6 @@ cifs_dentry_needs_reval(struct dentry *dentry)
int
cifs_invalidate_mapping(struct inode *inode)
{
struct cifs_fscache_inode_coherency_data cd;
struct cifsInodeInfo *cifsi = CIFS_I(inode);
int rc = 0;
if (inode->i_mapping && inode->i_mapping->nrpages != 0) {
@ -2272,8 +2274,6 @@ cifs_invalidate_mapping(struct inode *inode)
__func__, inode);
}
cifs_fscache_fill_coherency(&cifsi->vfs_inode, &cd);
fscache_invalidate(cifs_inode_cookie(inode), &cd, i_size_read(inode), 0);
return rc;
}