From fc1c5abfca7e1059df46623e64aecf840cdbb9dc Mon Sep 17 00:00:00 2001 From: Dave Wysochanski Date: Tue, 1 Mar 2022 14:37:25 -0500 Subject: [PATCH] NFS: Rename fscache read and write pages functions Rename NFS fscache functions in a more consistent fashion to better reflect when we read from and write to fscache. Signed-off-by: Dave Wysochanski Signed-off-by: Trond Myklebust --- fs/nfs/fscache.c | 6 +++--- fs/nfs/fscache.h | 27 ++++++++++----------------- fs/nfs/read.c | 4 ++-- 3 files changed, 15 insertions(+), 22 deletions(-) diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c index 81bd2770e640..62fbce28fe85 100644 --- a/fs/nfs/fscache.c +++ b/fs/nfs/fscache.c @@ -317,7 +317,7 @@ static int fscache_fallback_write_page(struct inode *inode, struct page *page, /* * Retrieve a page from fscache */ -int __nfs_readpage_from_fscache(struct inode *inode, struct page *page) +int __nfs_fscache_read_page(struct inode *inode, struct page *page) { int ret; @@ -351,7 +351,7 @@ int __nfs_readpage_from_fscache(struct inode *inode, struct page *page) * Store a newly fetched page in fscache. We can be certain there's no page * stored in the cache as yet otherwise we would've read it from there. */ -void __nfs_readpage_to_fscache(struct inode *inode, struct page *page) +void __nfs_fscache_write_page(struct inode *inode, struct page *page) { int ret; @@ -362,7 +362,7 @@ void __nfs_readpage_to_fscache(struct inode *inode, struct page *page) ret = fscache_fallback_write_page(inode, page, true); dfprintk(FSCACHE, - "NFS: readpage_to_fscache: p:%p(i:%lu f:%lx) ret %d\n", + "NFS: nfs_fscache_write_page: p:%p(i:%lu f:%lx) ret %d\n", page, page->index, page->flags, ret); if (ret != 0) { diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h index 4c7afaabbf9f..4e980cc04779 100644 --- a/fs/nfs/fscache.h +++ b/fs/nfs/fscache.h @@ -45,10 +45,8 @@ extern void nfs_fscache_clear_inode(struct inode *); extern void nfs_fscache_open_file(struct inode *, struct file *); extern void nfs_fscache_release_file(struct inode *, struct file *); -extern int __nfs_readpage_from_fscache(struct inode *, struct page *); -extern void __nfs_read_completion_to_fscache(struct nfs_pgio_header *hdr, - unsigned long bytes); -extern void __nfs_readpage_to_fscache(struct inode *, struct page *); +extern int __nfs_fscache_read_page(struct inode *, struct page *); +extern void __nfs_fscache_write_page(struct inode *, struct page *); static inline int nfs_fscache_release_page(struct page *page, gfp_t gfp) { @@ -66,11 +64,10 @@ static inline int nfs_fscache_release_page(struct page *page, gfp_t gfp) /* * Retrieve a page from an inode data storage object. */ -static inline int nfs_readpage_from_fscache(struct inode *inode, - struct page *page) +static inline int nfs_fscache_read_page(struct inode *inode, struct page *page) { - if (NFS_I(inode)->fscache) - return __nfs_readpage_from_fscache(inode, page); + if (nfs_i_fscache(inode)) + return __nfs_fscache_read_page(inode, page); return -ENOBUFS; } @@ -78,11 +75,11 @@ static inline int nfs_readpage_from_fscache(struct inode *inode, * Store a page newly fetched from the server in an inode data storage object * in the cache. */ -static inline void nfs_readpage_to_fscache(struct inode *inode, +static inline void nfs_fscache_write_page(struct inode *inode, struct page *page) { - if (NFS_I(inode)->fscache) - __nfs_readpage_to_fscache(inode, page); + if (nfs_i_fscache(inode)) + __nfs_fscache_write_page(inode, page); } static inline void nfs_fscache_update_auxdata(struct nfs_fscache_inode_auxdata *auxdata, @@ -136,15 +133,11 @@ static inline int nfs_fscache_release_page(struct page *page, gfp_t gfp) { return 1; /* True: may release page */ } -static inline int nfs_readpage_from_fscache(struct inode *inode, - struct page *page) +static inline int nfs_fscache_read_page(struct inode *inode, struct page *page) { return -ENOBUFS; } -static inline void nfs_readpage_to_fscache(struct inode *inode, - struct page *page) {} - - +static inline void nfs_fscache_write_page(struct inode *inode, struct page *page) {} static inline void nfs_fscache_invalidate(struct inode *inode, int flags) {} static inline const char *nfs_server_fscache_state(struct nfs_server *server) diff --git a/fs/nfs/read.c b/fs/nfs/read.c index 2472f962a9a2..e4c1a49b0126 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -123,7 +123,7 @@ static void nfs_readpage_release(struct nfs_page *req, int error) struct address_space *mapping = page_file_mapping(page); if (PageUptodate(page)) - nfs_readpage_to_fscache(inode, page); + nfs_fscache_write_page(inode, page); else if (!PageError(page) && !PagePrivate(page)) generic_error_remove_page(mapping, page); unlock_page(page); @@ -305,7 +305,7 @@ readpage_async_filler(struct nfs_readdesc *desc, struct page *page) aligned_len = min_t(unsigned int, ALIGN(len, rsize), PAGE_SIZE); if (!IS_SYNC(page->mapping->host)) { - error = nfs_readpage_from_fscache(page->mapping->host, page); + error = nfs_fscache_read_page(page->mapping->host, page); if (error == 0) goto out_unlock; } -- 2.25.1