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| author | ChenXiaoSong <chenxiaosong2@huawei.com> | 2022-09-23 00:31:56 +0800 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2022-09-26 14:02:50 -0400 |
| commit | 1342f9dd3fc219089deeb2620f6790f19b4129b1 (patch) | |
| tree | a3e2630fa804b38dd34d8580af22b0f55c78a95b /fs/nfsd | |
| parent | 64776611a06322b99386f8dfe3b3ba1aa0347a38 (diff) | |
| download | linux-1342f9dd3fc219089deeb2620f6790f19b4129b1.tar.bz2 | |
nfsd: use DEFINE_SHOW_ATTRIBUTE to define nfsd_file_cache_stats_fops
Use DEFINE_SHOW_ATTRIBUTE helper macro to simplify the code.
Signed-off-by: ChenXiaoSong <chenxiaosong2@huawei.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/filecache.c | 7 | ||||
| -rw-r--r-- | fs/nfsd/filecache.h | 2 | ||||
| -rw-r--r-- | fs/nfsd/nfsctl.c | 9 |
3 files changed, 4 insertions, 14 deletions
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index eeed4ae5b4ad..d5c57360b418 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -1212,7 +1212,7 @@ nfsd_file_create(struct svc_rqst *rqstp, struct svc_fh *fhp, * scraping this file for info should test the labels to ensure they're * getting the correct field. */ -static int nfsd_file_cache_stats_show(struct seq_file *m, void *v) +int nfsd_file_cache_stats_show(struct seq_file *m, void *v) { unsigned long releases = 0, pages_flushed = 0, evictions = 0; unsigned long hits = 0, acquisitions = 0; @@ -1259,8 +1259,3 @@ static int nfsd_file_cache_stats_show(struct seq_file *m, void *v) seq_printf(m, "pages flushed: %lu\n", pages_flushed); return 0; } - -int nfsd_file_cache_stats_open(struct inode *inode, struct file *file) -{ - return single_open(file, nfsd_file_cache_stats_show, NULL); -} diff --git a/fs/nfsd/filecache.h b/fs/nfsd/filecache.h index 8e8c0c47d67d..357832bac736 100644 --- a/fs/nfsd/filecache.h +++ b/fs/nfsd/filecache.h @@ -60,5 +60,5 @@ __be32 nfsd_file_acquire(struct svc_rqst *rqstp, struct svc_fh *fhp, unsigned int may_flags, struct nfsd_file **nfp); __be32 nfsd_file_create(struct svc_rqst *rqstp, struct svc_fh *fhp, unsigned int may_flags, struct nfsd_file **nfp); -int nfsd_file_cache_stats_open(struct inode *, struct file *); +int nfsd_file_cache_stats_show(struct seq_file *m, void *v); #endif /* _FS_NFSD_FILECACHE_H */ diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 1983f4f2908d..6a29bcfc9390 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -206,12 +206,7 @@ static const struct file_operations pool_stats_operations = { DEFINE_SHOW_ATTRIBUTE(nfsd_reply_cache_stats); -static const struct file_operations filecache_ops = { - .open = nfsd_file_cache_stats_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(nfsd_file_cache_stats); /*----------------------------------------------------------------------------*/ /* @@ -1355,7 +1350,7 @@ static int nfsd_fill_super(struct super_block *sb, struct fs_context *fc) [NFSD_Ports] = {"portlist", &transaction_ops, S_IWUSR|S_IRUGO}, [NFSD_MaxBlkSize] = {"max_block_size", &transaction_ops, S_IWUSR|S_IRUGO}, [NFSD_MaxConnections] = {"max_connections", &transaction_ops, S_IWUSR|S_IRUGO}, - [NFSD_Filecache] = {"filecache", &filecache_ops, S_IRUGO}, + [NFSD_Filecache] = {"filecache", &nfsd_file_cache_stats_fops, S_IRUGO}, #if defined(CONFIG_SUNRPC_GSS) || defined(CONFIG_SUNRPC_GSS_MODULE) [NFSD_SupportedEnctypes] = {"supported_krb5_enctypes", &supported_enctypes_fops, S_IRUGO}, |