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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-10-08 14:26:13 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-10-09 17:20:50 -0400 |
| commit | 2a3f5fd45938bd86ce8faf4cb26be4f7e9ae2941 (patch) | |
| tree | 84ed5c302b9a126fae440faa6cda0494ce4ca36b /fs/nfs | |
| parent | 40d24704091c8a29a4c99d25670f1996749aea6f (diff) | |
| download | linux-2a3f5fd45938bd86ce8faf4cb26be4f7e9ae2941.tar.gz linux-2a3f5fd45938bd86ce8faf4cb26be4f7e9ae2941.tar.bz2 linux-2a3f5fd45938bd86ce8faf4cb26be4f7e9ae2941.zip | |
NFS: nfs_refresh_inode should clear cache_validity flags on success
If the cached attributes match the ones supplied in the fattr, then assume
we've revalidated the inode.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/inode.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index c44cd02e5181..cad1246bf575 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -790,6 +790,7 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat { struct nfs_inode *nfsi = NFS_I(inode); loff_t cur_size, new_isize; + unsigned long invalid = 0; /* Has the inode gone and changed behind our back? */ @@ -803,29 +804,36 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat if ((fattr->valid & NFS_ATTR_FATTR_V4) != 0 && nfsi->change_attr != fattr->change_attr) - nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; + invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; /* Verify a few of the more important attributes */ if (!timespec_equal(&inode->i_mtime, &fattr->mtime)) - nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; + invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; cur_size = i_size_read(inode); new_isize = nfs_size_to_loff_t(fattr->size); if (cur_size != new_isize && nfsi->npages == 0) - nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; + invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; /* Have any file permissions changed? */ if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO) || inode->i_uid != fattr->uid || inode->i_gid != fattr->gid) - nfsi->cache_validity |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL; + invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL; /* Has the link count changed? */ if (inode->i_nlink != fattr->nlink) - nfsi->cache_validity |= NFS_INO_INVALID_ATTR; + invalid |= NFS_INO_INVALID_ATTR; if (!timespec_equal(&inode->i_atime, &fattr->atime)) - nfsi->cache_validity |= NFS_INO_INVALID_ATIME; + invalid |= NFS_INO_INVALID_ATIME; + + if (invalid != 0) + nfsi->cache_validity |= invalid; + else + nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR + | NFS_INO_INVALID_ATIME + | NFS_INO_REVAL_PAGECACHE); nfsi->read_cache_jiffies = fattr->time_start; return 0; @@ -876,21 +884,12 @@ int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr) { struct nfs_inode *nfsi = NFS_I(inode); - if (fattr->valid & NFS_ATTR_FATTR) { - if (S_ISDIR(inode->i_mode)) { - spin_lock(&inode->i_lock); - nfsi->cache_validity |= NFS_INO_INVALID_DATA; - spin_unlock(&inode->i_lock); - } - return nfs_refresh_inode(inode, fattr); - } - spin_lock(&inode->i_lock); - nfsi->cache_validity |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; + nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; if (S_ISDIR(inode->i_mode)) nfsi->cache_validity |= NFS_INO_INVALID_DATA; spin_unlock(&inode->i_lock); - return 0; + return nfs_refresh_inode(inode, fattr); } /** @@ -938,7 +937,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) struct nfs_server *server; struct nfs_inode *nfsi = NFS_I(inode); loff_t cur_isize, new_isize; - unsigned int invalid = 0; + unsigned long invalid = 0; unsigned long now = jiffies; dfprintk(VFS, "NFS: %s(%s/%ld ct=%d info=0x%x)\n", |