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NFS: Remove NFS_I(inode)->data_updates

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2007-09-29 17:34:46 -04:00
parent a1643a92f6
commit 80eb209def
2 changed files with 7 additions and 28 deletions
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21
fs/nfs/inode.c
View file

@ -85,7 +85,6 @@ void nfs_clear_inode(struct inode *inode)
*/ */
BUG_ON(nfs_have_writebacks(inode)); BUG_ON(nfs_have_writebacks(inode));
BUG_ON(!list_empty(&NFS_I(inode)->open_files)); BUG_ON(!list_empty(&NFS_I(inode)->open_files));
BUG_ON(atomic_read(&NFS_I(inode)->data_updates) != 0);
nfs_zap_acl_cache(inode); nfs_zap_acl_cache(inode);
nfs_access_zap_cache(inode); nfs_access_zap_cache(inode);
} }
@ -756,16 +755,6 @@ int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping)
return ret; return ret;
} }
/**
* nfs_begin_data_update
* @inode - pointer to inode
* Declare that a set of operations will update file data on the server
*/
void nfs_begin_data_update(struct inode *inode)
{
atomic_inc(&NFS_I(inode)->data_updates);
}
/** /**
* nfs_end_data_update * nfs_end_data_update
* @inode - pointer to inode * @inode - pointer to inode
@ -775,15 +764,12 @@ void nfs_begin_data_update(struct inode *inode)
*/ */
void nfs_end_data_update(struct inode *inode) void nfs_end_data_update(struct inode *inode)
{ {
struct nfs_inode *nfsi = NFS_I(inode);
/* Directories: invalidate page cache */ /* Directories: invalidate page cache */
if (S_ISDIR(inode->i_mode)) { if (S_ISDIR(inode->i_mode)) {
spin_lock(&inode->i_lock); spin_lock(&inode->i_lock);
nfsi->cache_validity |= NFS_INO_INVALID_DATA; NFS_I(inode)->cache_validity |= NFS_INO_INVALID_DATA;
spin_unlock(&inode->i_lock); spin_unlock(&inode->i_lock);
} }
atomic_dec(&nfsi->data_updates);
} }
static void nfs_wcc_update_inode(struct inode *inode, struct nfs_fattr *fattr) static void nfs_wcc_update_inode(struct inode *inode, struct nfs_fattr *fattr)
@ -823,7 +809,6 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat
{ {
struct nfs_inode *nfsi = NFS_I(inode); struct nfs_inode *nfsi = NFS_I(inode);
loff_t cur_size, new_isize; loff_t cur_size, new_isize;
int data_unstable;
/* Has the inode gone and changed behind our back? */ /* Has the inode gone and changed behind our back? */
@ -832,9 +817,6 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat
return -EIO; return -EIO;
} }
/* Are we in the process of updating data on the server? */
data_unstable = nfs_caches_unstable(inode);
/* Do atomic weak cache consistency updates */ /* Do atomic weak cache consistency updates */
nfs_wcc_update_inode(inode, fattr); nfs_wcc_update_inode(inode, fattr);
@ -1162,7 +1144,6 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
INIT_LIST_HEAD(&nfsi->access_cache_entry_lru); INIT_LIST_HEAD(&nfsi->access_cache_entry_lru);
INIT_LIST_HEAD(&nfsi->access_cache_inode_lru); INIT_LIST_HEAD(&nfsi->access_cache_inode_lru);
INIT_RADIX_TREE(&nfsi->nfs_page_tree, GFP_ATOMIC); INIT_RADIX_TREE(&nfsi->nfs_page_tree, GFP_ATOMIC);
atomic_set(&nfsi->data_updates, 0);
nfsi->ncommit = 0; nfsi->ncommit = 0;
nfsi->npages = 0; nfsi->npages = 0;
nfs4_init_once(nfsi); nfs4_init_once(nfsi);

14
include/linux/nfs_fs.h
View file

@ -136,11 +136,6 @@ struct nfs_inode {
* server. * server.
*/ */
unsigned long cache_change_attribute; unsigned long cache_change_attribute;
/*
* Counter indicating the number of outstanding requests that
* will cause a file data update.
*/
atomic_t data_updates;
struct rb_root access_cache; struct rb_root access_cache;
struct list_head access_cache_entry_lru; struct list_head access_cache_entry_lru;
@ -224,9 +219,13 @@ static inline struct nfs_inode *NFS_I(struct inode *inode)
#define NFS_FILEID(inode) (NFS_I(inode)->fileid) #define NFS_FILEID(inode) (NFS_I(inode)->fileid)
static inline int nfs_caches_unstable(struct inode *inode) /**
* nfs_begin_data_update
* @inode - pointer to inode
* Declare that a set of operations will update file data on the server
*/
static inline void nfs_begin_data_update(struct inode *inode)
{ {
return atomic_read(&NFS_I(inode)->data_updates) != 0;
} }
static inline void nfs_mark_for_revalidate(struct inode *inode) static inline void nfs_mark_for_revalidate(struct inode *inode)
@ -299,7 +298,6 @@ extern int nfs_setattr(struct dentry *, struct iattr *);
extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr); extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr);
extern void nfs_begin_attr_update(struct inode *); extern void nfs_begin_attr_update(struct inode *);
extern void nfs_end_attr_update(struct inode *); extern void nfs_end_attr_update(struct inode *);
extern void nfs_begin_data_update(struct inode *);
extern void nfs_end_data_update(struct inode *); extern void nfs_end_data_update(struct inode *);
extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx); extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx);
extern void put_nfs_open_context(struct nfs_open_context *ctx); extern void put_nfs_open_context(struct nfs_open_context *ctx);