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authorTrond Myklebust <trond.myklebust@hammerspace.com>2021-06-26 09:23:51 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2021-06-26 12:13:39 -0400
commit213bb58475b57786e4336bc8bfd5029e16257c49 (patch)
tree54a6901dab489adb668e9482f3e6351e01c9bb52 /fs/nfs
parent1fcb6fcd74a222d9ead54d405842fc763bb86262 (diff)
NFS: Fix up inode attribute revalidation timeouts
The inode is considered revalidated when we've checked the value of the change attribute against our cached value since that suffices to establish whether or not the other cached values are valid. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/inode.c50
1 files changed, 16 insertions, 34 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 529c4099f482..327f9ae4dd3f 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -2066,24 +2066,22 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
} else {
nfsi->cache_validity |=
save_cache_validity & NFS_INO_INVALID_CHANGE;
- cache_revalidated = false;
+ if (!have_delegation ||
+ (nfsi->cache_validity & NFS_INO_INVALID_CHANGE) != 0)
+ cache_revalidated = false;
}
- if (fattr->valid & NFS_ATTR_FATTR_MTIME) {
+ if (fattr->valid & NFS_ATTR_FATTR_MTIME)
inode->i_mtime = fattr->mtime;
- } else if (fattr_supported & NFS_ATTR_FATTR_MTIME) {
+ else if (fattr_supported & NFS_ATTR_FATTR_MTIME)
nfsi->cache_validity |=
save_cache_validity & NFS_INO_INVALID_MTIME;
- cache_revalidated = false;
- }
- if (fattr->valid & NFS_ATTR_FATTR_CTIME) {
+ if (fattr->valid & NFS_ATTR_FATTR_CTIME)
inode->i_ctime = fattr->ctime;
- } else if (fattr_supported & NFS_ATTR_FATTR_CTIME) {
+ else if (fattr_supported & NFS_ATTR_FATTR_CTIME)
nfsi->cache_validity |=
save_cache_validity & NFS_INO_INVALID_CTIME;
- cache_revalidated = false;
- }
/* Check if our cached file size is stale */
if (fattr->valid & NFS_ATTR_FATTR_SIZE) {
@@ -2111,19 +2109,15 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
fattr->du.nfs3.used = 0;
fattr->valid |= NFS_ATTR_FATTR_SPACE_USED;
}
- } else {
+ } else
nfsi->cache_validity |=
save_cache_validity & NFS_INO_INVALID_SIZE;
- cache_revalidated = false;
- }
if (fattr->valid & NFS_ATTR_FATTR_ATIME)
inode->i_atime = fattr->atime;
- else if (fattr_supported & NFS_ATTR_FATTR_ATIME) {
+ else if (fattr_supported & NFS_ATTR_FATTR_ATIME)
nfsi->cache_validity |=
save_cache_validity & NFS_INO_INVALID_ATIME;
- cache_revalidated = false;
- }
if (fattr->valid & NFS_ATTR_FATTR_MODE) {
if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO)) {
@@ -2134,11 +2128,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
| NFS_INO_INVALID_ACL;
attr_changed = true;
}
- } else if (fattr_supported & NFS_ATTR_FATTR_MODE) {
+ } else if (fattr_supported & NFS_ATTR_FATTR_MODE)
nfsi->cache_validity |=
save_cache_validity & NFS_INO_INVALID_MODE;
- cache_revalidated = false;
- }
if (fattr->valid & NFS_ATTR_FATTR_OWNER) {
if (!uid_eq(inode->i_uid, fattr->uid)) {
@@ -2147,11 +2139,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
inode->i_uid = fattr->uid;
attr_changed = true;
}
- } else if (fattr_supported & NFS_ATTR_FATTR_OWNER) {
+ } else if (fattr_supported & NFS_ATTR_FATTR_OWNER)
nfsi->cache_validity |=
save_cache_validity & NFS_INO_INVALID_OTHER;
- cache_revalidated = false;
- }
if (fattr->valid & NFS_ATTR_FATTR_GROUP) {
if (!gid_eq(inode->i_gid, fattr->gid)) {
@@ -2160,11 +2150,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
inode->i_gid = fattr->gid;
attr_changed = true;
}
- } else if (fattr_supported & NFS_ATTR_FATTR_GROUP) {
+ } else if (fattr_supported & NFS_ATTR_FATTR_GROUP)
nfsi->cache_validity |=
save_cache_validity & NFS_INO_INVALID_OTHER;
- cache_revalidated = false;
- }
if (fattr->valid & NFS_ATTR_FATTR_NLINK) {
if (inode->i_nlink != fattr->nlink) {
@@ -2173,30 +2161,24 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
set_nlink(inode, fattr->nlink);
attr_changed = true;
}
- } else if (fattr_supported & NFS_ATTR_FATTR_NLINK) {
+ } else if (fattr_supported & NFS_ATTR_FATTR_NLINK)
nfsi->cache_validity |=
save_cache_validity & NFS_INO_INVALID_NLINK;
- cache_revalidated = false;
- }
if (fattr->valid & NFS_ATTR_FATTR_SPACE_USED) {
/*
* report the blocks in 512byte units
*/
inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used);
- } else if (fattr_supported & NFS_ATTR_FATTR_SPACE_USED) {
+ } else if (fattr_supported & NFS_ATTR_FATTR_SPACE_USED)
nfsi->cache_validity |=
save_cache_validity & NFS_INO_INVALID_BLOCKS;
- cache_revalidated = false;
- }
- if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED) {
+ if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED)
inode->i_blocks = fattr->du.nfs2.blocks;
- } else if (fattr_supported & NFS_ATTR_FATTR_BLOCKS_USED) {
+ else if (fattr_supported & NFS_ATTR_FATTR_BLOCKS_USED)
nfsi->cache_validity |=
save_cache_validity & NFS_INO_INVALID_BLOCKS;
- cache_revalidated = false;
- }
/* Update attrtimeo value if we're out of the unstable period */
if (attr_changed) {