diff options
author | David S. Miller <davem@davemloft.net> | 2015-03-10 06:38:02 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2015-03-10 06:38:02 +0300 |
commit | 3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14 (patch) | |
tree | 02e95f15bd8a04071a9a36f534a92a066a8ce66a /fs/nfs/dir.c | |
parent | 8ac467e837a24eb024177b4b01013d8e6764913a (diff) | |
parent | affb8172de395a6e1db52ed9790ca0456d8c29a9 (diff) | |
download | linux-3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/cadence/macb.c
Overlapping changes in macb driver, mostly fixes and cleanups
in 'net' overlapping with the integration of at91_ether into
macb in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/nfs/dir.c')
-rw-r--r-- | fs/nfs/dir.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 9b0c55cb2a2e..c19e16f0b2d0 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -408,14 +408,22 @@ static int xdr_decode(nfs_readdir_descriptor_t *desc, return 0; } +/* Match file and dirent using either filehandle or fileid + * Note: caller is responsible for checking the fsid + */ static int nfs_same_file(struct dentry *dentry, struct nfs_entry *entry) { + struct nfs_inode *nfsi; + if (dentry->d_inode == NULL) goto different; - if (nfs_compare_fh(entry->fh, NFS_FH(dentry->d_inode)) != 0) - goto different; - return 1; + + nfsi = NFS_I(dentry->d_inode); + if (entry->fattr->fileid == nfsi->fileid) + return 1; + if (nfs_compare_fh(entry->fh, &nfsi->fh) == 0) + return 1; different: return 0; } @@ -469,6 +477,10 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry) struct inode *inode; int status; + if (!(entry->fattr->valid & NFS_ATTR_FATTR_FILEID)) + return; + if (!(entry->fattr->valid & NFS_ATTR_FATTR_FSID)) + return; if (filename.name[0] == '.') { if (filename.len == 1) return; @@ -479,6 +491,10 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry) dentry = d_lookup(parent, &filename); if (dentry != NULL) { + /* Is there a mountpoint here? If so, just exit */ + if (!nfs_fsid_equal(&NFS_SB(dentry->d_sb)->fsid, + &entry->fattr->fsid)) + goto out; if (nfs_same_file(dentry, entry)) { nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); status = nfs_refresh_inode(dentry->d_inode, entry->fattr); |