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NFS: Create custom NFS v4 write_inode() function 

This gives pnfs a chance to do a layout commit inside the v4 code.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Bryan Schumaker 2012-06-20 15:53:49 -04:00 committed by Trond Myklebust
parent 57208fa7e5
commit a8d8f02cf0
3 changed files with 12 additions and 3 deletions
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3
fs/nfs/nfs4_fs.h
View File

@ -202,6 +202,9 @@ struct nfs4_state_maintenance_ops {
extern const struct dentry_operations nfs4_dentry_operations; extern const struct dentry_operations nfs4_dentry_operations;
extern const struct inode_operations nfs4_dir_inode_operations; extern const struct inode_operations nfs4_dir_inode_operations;
/* write.c */
int nfs4_write_inode(struct inode *, struct writeback_control *);
/* nfs4namespace.c */ /* nfs4namespace.c */
rpc_authflavor_t nfs_find_best_sec(struct nfs4_secinfo_flavors *); rpc_authflavor_t nfs_find_best_sec(struct nfs4_secinfo_flavors *);
struct rpc_clnt *nfs4_create_sec_client(struct rpc_clnt *, struct inode *, struct qstr *); struct rpc_clnt *nfs4_create_sec_client(struct rpc_clnt *, struct inode *, struct qstr *);

2
fs/nfs/super.c
View File

@ -391,7 +391,7 @@ struct file_system_type nfs4_referral_fs_type = {
static const struct super_operations nfs4_sops = { static const struct super_operations nfs4_sops = {
.alloc_inode = nfs_alloc_inode, .alloc_inode = nfs_alloc_inode,
.destroy_inode = nfs_destroy_inode, .destroy_inode = nfs_destroy_inode,
.write_inode = nfs_write_inode, .write_inode = nfs4_write_inode,
.put_super = nfs_put_super, .put_super = nfs_put_super,
.statfs = nfs_statfs, .statfs = nfs_statfs,
.evict_inode = nfs4_evict_inode, .evict_inode = nfs4_evict_inode,

10
fs/nfs/write.c
View File

@ -1671,9 +1671,14 @@ static int nfs_commit_unstable_pages(struct inode *inode, struct writeback_contr
int nfs_write_inode(struct inode *inode, struct writeback_control *wbc) int nfs_write_inode(struct inode *inode, struct writeback_control *wbc)
{ {
int ret; return nfs_commit_unstable_pages(inode, wbc);
}
#ifdef CONFIG_NFS_V4
int nfs4_write_inode(struct inode *inode, struct writeback_control *wbc)
{
int ret = nfs_write_inode(inode, wbc);
ret = nfs_commit_unstable_pages(inode, wbc);
if (ret >= 0 && test_bit(NFS_INO_LAYOUTCOMMIT, &NFS_I(inode)->flags)) { if (ret >= 0 && test_bit(NFS_INO_LAYOUTCOMMIT, &NFS_I(inode)->flags)) {
int status; int status;
bool sync = true; bool sync = true;
@ -1687,6 +1692,7 @@ int nfs_write_inode(struct inode *inode, struct writeback_control *wbc)
} }
return ret; return ret;
} }
#endif
/* /*
* flush the inode to disk. * flush the inode to disk.