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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-06-26 11:07:59 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-06-26 12:13:40 -0400 |
| commit | a9601ac5e9160a3f96348ebc5d0751397a501701 (patch) | |
| tree | 452728367fb467170a43fc71c62be8f0b6903bef /fs/nfs | |
| parent | 20cf7d4ea4ad7d9830b01ff7444f6ac64a727a23 (diff) | |
| download | linux-stable-a9601ac5e9160a3f96348ebc5d0751397a501701.tar.gz linux-stable-a9601ac5e9160a3f96348ebc5d0751397a501701.tar.bz2 linux-stable-a9601ac5e9160a3f96348ebc5d0751397a501701.zip | |
NFS: Avoid duplicate resets of attribute cache timeouts
We know that the attributes changed on the server if and only if the
change attribute is different. Otherwise, we're just refreshing our
cache with values that were already known to be stale.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/inode.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 327f9ae4dd3f..2824acfe4ff9 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -2055,13 +2055,13 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) | NFS_INO_INVALID_OTHER; if (S_ISDIR(inode->i_mode)) nfs_force_lookup_revalidate(inode); + attr_changed = true; dprintk("NFS: change_attr change on server for file %s/%ld\n", inode->i_sb->s_id, inode->i_ino); } else if (!have_delegation) nfsi->cache_validity |= NFS_INO_DATA_INVAL_DEFER; inode_set_iversion_raw(inode, fattr->change_attr); - attr_changed = true; } } else { nfsi->cache_validity |= @@ -2094,7 +2094,6 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) i_size_write(inode, new_isize); if (!have_writers) invalid |= NFS_INO_INVALID_DATA; - attr_changed = true; } dprintk("NFS: isize change on server for file %s/%ld " "(%Ld to %Ld)\n", @@ -2126,7 +2125,6 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) inode->i_mode = newmode; invalid |= NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL; - attr_changed = true; } } else if (fattr_supported & NFS_ATTR_FATTR_MODE) nfsi->cache_validity |= @@ -2137,7 +2135,6 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) invalid |= NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL; inode->i_uid = fattr->uid; - attr_changed = true; } } else if (fattr_supported & NFS_ATTR_FATTR_OWNER) nfsi->cache_validity |= @@ -2148,7 +2145,6 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) invalid |= NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL; inode->i_gid = fattr->gid; - attr_changed = true; } } else if (fattr_supported & NFS_ATTR_FATTR_GROUP) nfsi->cache_validity |= @@ -2159,7 +2155,6 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) if (S_ISDIR(inode->i_mode)) invalid |= NFS_INO_INVALID_DATA; set_nlink(inode, fattr->nlink); - attr_changed = true; } } else if (fattr_supported & NFS_ATTR_FATTR_NLINK) nfsi->cache_validity |= |