[v2,25/26] NFS: Don't store NFS_INO_REVAL_FORCED

Message ID	20210414134353.11860-26-trondmy@kernel.org (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-nfs-owner@kernel.org> From: trondmy@kernel.org To: linux-nfs@vger.kernel.org Subject: [PATCH v2 25/26] NFS: Don't store NFS_INO_REVAL_FORCED Date: Wed, 14 Apr 2021 09:43:52 -0400 Message-Id: <20210414134353.11860-26-trondmy@kernel.org> In-Reply-To: <20210414134353.11860-25-trondmy@kernel.org> References: <20210414134353.11860-1-trondmy@kernel.org> <20210414134353.11860-2-trondmy@kernel.org> <20210414134353.11860-3-trondmy@kernel.org> <20210414134353.11860-4-trondmy@kernel.org> <20210414134353.11860-5-trondmy@kernel.org> <20210414134353.11860-6-trondmy@kernel.org> <20210414134353.11860-7-trondmy@kernel.org> <20210414134353.11860-8-trondmy@kernel.org> <20210414134353.11860-9-trondmy@kernel.org> <20210414134353.11860-10-trondmy@kernel.org> <20210414134353.11860-11-trondmy@kernel.org> <20210414134353.11860-12-trondmy@kernel.org> <20210414134353.11860-13-trondmy@kernel.org> <20210414134353.11860-14-trondmy@kernel.org> <20210414134353.11860-15-trondmy@kernel.org> <20210414134353.11860-16-trondmy@kernel.org> <20210414134353.11860-17-trondmy@kernel.org> <20210414134353.11860-18-trondmy@kernel.org> <20210414134353.11860-19-trondmy@kernel.org> <20210414134353.11860-20-trondmy@kernel.org> <20210414134353.11860-21-trondmy@kernel.org> <20210414134353.11860-22-trondmy@kernel.org> <20210414134353.11860-23-trondmy@kernel.org> <20210414134353.11860-24-trondmy@kernel.org> <20210414134353.11860-25-trondmy@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	Attribute revalidation updates \| expand [v2,00/26] Attribute revalidation updates [v2,01/26] NFS: Deal correctly with attribute generation counter overflow [v2,02/26] NFS: Fix up inode cache tracing [v2,03/26] NFS: Mask out unsupported attributes in nfs_getattr() [v2,04/26] NFS: NFS_INO_REVAL_PAGECACHE should mark the change attribute invalid [v2,05/26] NFS: Fix up revalidation of space used [v2,06/26] NFS: Don't revalidate attributes that are not being asked for [v2,07/26] NFS: Fix up statx() results [v2,08/26] NFS: nfs_setattr_update_inode() should clear the suid/sgid bits [v2,09/26] NFS: Add a cache validity flag argument to nfs_revalidate_inode() [v2,10/26] NFS: Replace use of NFS_INO_REVAL_PAGECACHE when checking cache validity [v2,11/26] NFS: Don't set NFS_INO_REVAL_PAGECACHE in the inode cache validity [v2,12/26] NFSv4: Fix nfs4_bitmap_copy_adjust() [v2,13/26] NFS: Separate tracking of file nlinks cache validity from the mode/uid/gid [v2,14/26] NFS: Separate tracking of file mode cache validity from the uid/gid [v2,15/26] NFS: Fix up handling of outstanding layoutcommit in nfs_update_inode() [v2,16/26] NFS: Remove a line of code that has no effect in nfs_update_inode() [v2,17/26] NFS: Simplify cache consistency in nfs_check_inode_attributes() [v2,18/26] NFSv4: Fix value of decode_fsinfo_maxsz [v2,19/26] NFSv4: Don't modify the change attribute cached in the inode [v2,20/26] NFSv4: Add support for the NFSv4.2 "change_attr_type" attribute [v2,21/26] NFS: Use information about the change attribute to optimise updates [v2,22/26] NFS: Another inode revalidation improvement [v2,23/26] NFSv4: nfs4_inc/dec_nlink_locked should also invalidate ctime [v2,24/26] NFSv4: link must update the inode nlink. [v2,25/26] NFS: Don't store NFS_INO_REVAL_FORCED [v2,26/26] NFS: Split attribute support out from the server capabilities

diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 6a29de964268..e6ec6f09ac6e 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -481,6 +481,22 @@ int nfs_inode_set_delegation(struct inode *inode, const struct cred *cred, if (freeme == NULL) goto out; add_new: + /* + * If we didn't revalidate the change attribute before setting + * the delegation, then pre-emptively ask for a full attribute + * cache revalidation. + */ + spin_lock(&inode->i_lock); + if (NFS_I(inode)->cache_validity & NFS_INO_INVALID_CHANGE) + nfs_set_cache_invalid(inode, + NFS_INO_INVALID_ATIME | NFS_INO_INVALID_CTIME | + NFS_INO_INVALID_MTIME | NFS_INO_INVALID_SIZE | + NFS_INO_INVALID_BLOCKS | NFS_INO_INVALID_NLINK | + NFS_INO_INVALID_OTHER | NFS_INO_INVALID_DATA | + NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL | + NFS_INO_INVALID_XATTR); + spin_unlock(&inode->i_lock); + list_add_tail_rcu(&delegation->super_list, &server->delegations); rcu_assign_pointer(nfsi->delegation, delegation); delegation = NULL; @@ -488,11 +504,6 @@ int nfs_inode_set_delegation(struct inode *inode, const struct cred *cred, atomic_long_inc(&nfs_active_delegations); trace_nfs4_set_delegation(inode, type); - - spin_lock(&inode->i_lock); - if (NFS_I(inode)->cache_validity & (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME)) - NFS_I(inode)->cache_validity |= NFS_INO_REVAL_FORCED; - spin_unlock(&inode->i_lock); out: spin_unlock(&clp->cl_lock); if (delegation != NULL) diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h index 9b00a0b7f832..c19b4fd20781 100644 --- a/fs/nfs/delegation.h +++ b/fs/nfs/delegation.h @@ -84,8 +84,7 @@ int nfs4_inode_make_writeable(struct inode *inode); static inline int nfs_have_delegated_attributes(struct inode *inode) { - return NFS_PROTO(inode)->have_delegation(inode, FMODE_READ) && - !(NFS_I(inode)->cache_validity & NFS_INO_REVAL_FORCED); + return NFS_PROTO(inode)->have_delegation(inode, FMODE_READ); } #endif diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index b88e9dc72eec..7fa914e24fc4 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -200,21 +200,19 @@ void nfs_set_cache_invalid(struct inode *inode, unsigned long flags) if (have_delegation) { if (!(flags & NFS_INO_REVAL_FORCED)) flags &= ~(NFS_INO_INVALID_MODE | - NFS_INO_INVALID_OTHER); - flags &= ~(NFS_INO_INVALID_CHANGE - | NFS_INO_INVALID_SIZE - | NFS_INO_INVALID_XATTR); + NFS_INO_INVALID_OTHER | + NFS_INO_INVALID_XATTR); + flags &= ~(NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_SIZE); } else if (flags & NFS_INO_REVAL_PAGECACHE) flags |= NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_SIZE; - flags &= ~NFS_INO_REVAL_PAGECACHE; - if (!nfs_has_xattr_cache(nfsi)) flags &= ~NFS_INO_INVALID_XATTR; if (flags & NFS_INO_INVALID_DATA) nfs_fscache_invalidate(inode); if (inode->i_mapping->nrpages == 0) flags &= ~(NFS_INO_INVALID_DATA|NFS_INO_DATA_INVAL_DEFER); + flags &= ~(NFS_INO_REVAL_PAGECACHE | NFS_INO_REVAL_FORCED); nfsi->cache_validity |= flags; } EXPORT_SYMBOL_GPL(nfs_set_cache_invalid); @@ -560,9 +558,6 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st } else if (fattr->size != 0) nfs_set_cache_invalid(inode, NFS_INO_INVALID_BLOCKS); - if (nfsi->cache_validity != 0) - nfsi->cache_validity |= NFS_INO_REVAL_FORCED; - nfs_setsecurity(inode, fattr, label); nfsi->attrtimeo = NFS_MINATTRTIMEO(inode); @@ -2032,7 +2027,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) save_cache_validity & (NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_CTIME | NFS_INO_INVALID_MTIME | NFS_INO_INVALID_SIZE | - NFS_INO_REVAL_FORCED); + NFS_INO_INVALID_BLOCKS); cache_revalidated = false; } @@ -2064,27 +2059,24 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) attr_changed = true; } } else { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_CHANGE - | NFS_INO_REVAL_FORCED); + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_CHANGE; cache_revalidated = false; } if (fattr->valid & NFS_ATTR_FATTR_MTIME) { inode->i_mtime = fattr->mtime; } else if (server->caps & NFS_CAP_MTIME) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_MTIME - | NFS_INO_REVAL_FORCED); + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_MTIME; cache_revalidated = false; } if (fattr->valid & NFS_ATTR_FATTR_CTIME) { inode->i_ctime = fattr->ctime; } else if (server->caps & NFS_CAP_CTIME) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_CTIME - | NFS_INO_REVAL_FORCED); + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_CTIME; cache_revalidated = false; } @@ -2115,19 +2107,16 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) fattr->valid |= NFS_ATTR_FATTR_SPACE_USED; } } else { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_SIZE - | NFS_INO_REVAL_FORCED); + 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 (server->caps & NFS_CAP_ATIME) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_ATIME - | NFS_INO_REVAL_FORCED); + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_ATIME; cache_revalidated = false; } @@ -2141,9 +2130,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) attr_changed = true; } } else if (server->caps & NFS_CAP_MODE) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_MODE - | NFS_INO_REVAL_FORCED); + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_MODE; cache_revalidated = false; } @@ -2155,9 +2143,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) attr_changed = true; } } else if (server->caps & NFS_CAP_OWNER) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_OTHER - | NFS_INO_REVAL_FORCED); + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_OTHER; cache_revalidated = false; } @@ -2169,9 +2156,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) attr_changed = true; } } else if (server->caps & NFS_CAP_OWNER_GROUP) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_OTHER - | NFS_INO_REVAL_FORCED); + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_OTHER; cache_revalidated = false; } @@ -2183,9 +2169,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) attr_changed = true; } } else if (server->caps & NFS_CAP_NLINK) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_NLINK - | NFS_INO_REVAL_FORCED); + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_NLINK; cache_revalidated = false; } @@ -2197,9 +2182,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) } else if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED) inode->i_blocks = fattr->du.nfs2.blocks; else { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_BLOCKS - | NFS_INO_REVAL_FORCED); + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_BLOCKS; cache_revalidated = false; } diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 2215f20e0e78..bcbb057d5529 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -5477,10 +5477,7 @@ static void nfs4_bitmask_set(__u32 bitmask[NFS4_BITMASK_SZ], const __u32 *src, if (cache_validity & NFS_INO_INVALID_BLOCKS) bitmask[1] |= FATTR4_WORD1_SPACE_USED; - if (nfs4_have_delegation(inode, FMODE_READ) && - !(cache_validity & NFS_INO_REVAL_FORCED)) - bitmask[0] &= ~FATTR4_WORD0_SIZE; - else if (cache_validity & NFS_INO_INVALID_SIZE) + if (cache_validity & NFS_INO_INVALID_SIZE) bitmask[0] |= FATTR4_WORD0_SIZE; for (i = 0; i < NFS4_BITMASK_SZ; i++)

[v2,25/26] NFS: Don't store NFS_INO_REVAL_FORCED

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