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-rw-r--r--fs/nfs/file.c44
1 files changed, 25 insertions, 19 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index cc93865..fab20d0 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -176,7 +176,7 @@ static int
nfs_file_flush(struct file *file, fl_owner_t id)
{
struct nfs_open_context *ctx = (struct nfs_open_context *)file->private_data;
- struct inode *inode = file->f_dentry->d_inode;
+ struct inode *inode = file->f_path.dentry->d_inode;
int status;
dfprintk(VFS, "nfs: flush(%s/%ld)\n", inode->i_sb->s_id, inode->i_ino);
@@ -201,7 +201,7 @@ static ssize_t
nfs_file_read(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t pos)
{
- struct dentry * dentry = iocb->ki_filp->f_dentry;
+ struct dentry * dentry = iocb->ki_filp->f_path.dentry;
struct inode * inode = dentry->d_inode;
ssize_t result;
size_t count = iov_length(iov, nr_segs);
@@ -226,7 +226,7 @@ static ssize_t
nfs_file_sendfile(struct file *filp, loff_t *ppos, size_t count,
read_actor_t actor, void *target)
{
- struct dentry *dentry = filp->f_dentry;
+ struct dentry *dentry = filp->f_path.dentry;
struct inode *inode = dentry->d_inode;
ssize_t res;
@@ -243,7 +243,7 @@ nfs_file_sendfile(struct file *filp, loff_t *ppos, size_t count,
static int
nfs_file_mmap(struct file * file, struct vm_area_struct * vma)
{
- struct dentry *dentry = file->f_dentry;
+ struct dentry *dentry = file->f_path.dentry;
struct inode *inode = dentry->d_inode;
int status;
@@ -307,28 +307,27 @@ static int nfs_commit_write(struct file *file, struct page *page, unsigned offse
static void nfs_invalidate_page(struct page *page, unsigned long offset)
{
- struct inode *inode = page->mapping->host;
-
+ if (offset != 0)
+ return;
/* Cancel any unstarted writes on this page */
- if (offset == 0)
- nfs_sync_inode_wait(inode, page->index, 1, FLUSH_INVALIDATE);
+ nfs_wb_page_priority(page->mapping->host, page, FLUSH_INVALIDATE);
}
static int nfs_release_page(struct page *page, gfp_t gfp)
{
- if (gfp & __GFP_FS)
- return !nfs_wb_page(page->mapping->host, page);
- else
- /*
- * Avoid deadlock on nfs_wait_on_request().
- */
- return 0;
+ /* If PagePrivate() is set, then the page is not freeable */
+ return 0;
+}
+
+static int nfs_launder_page(struct page *page)
+{
+ return nfs_wb_page(page->mapping->host, page);
}
const struct address_space_operations nfs_file_aops = {
.readpage = nfs_readpage,
.readpages = nfs_readpages,
- .set_page_dirty = __set_page_dirty_nobuffers,
+ .set_page_dirty = nfs_set_page_dirty,
.writepage = nfs_writepage,
.writepages = nfs_writepages,
.prepare_write = nfs_prepare_write,
@@ -338,12 +337,13 @@ const struct address_space_operations nfs_file_aops = {
#ifdef CONFIG_NFS_DIRECTIO
.direct_IO = nfs_direct_IO,
#endif
+ .launder_page = nfs_launder_page,
};
static ssize_t nfs_file_write(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t pos)
{
- struct dentry * dentry = iocb->ki_filp->f_dentry;
+ struct dentry * dentry = iocb->ki_filp->f_path.dentry;
struct inode * inode = dentry->d_inode;
ssize_t result;
size_t count = iov_length(iov, nr_segs);
@@ -375,6 +375,12 @@ static ssize_t nfs_file_write(struct kiocb *iocb, const struct iovec *iov,
nfs_add_stats(inode, NFSIOS_NORMALWRITTENBYTES, count);
result = generic_file_aio_write(iocb, iov, nr_segs, pos);
+ /* Return error values for O_SYNC and IS_SYNC() */
+ if (result >= 0 && (IS_SYNC(inode) || (iocb->ki_filp->f_flags & O_SYNC))) {
+ int err = nfs_fsync(iocb->ki_filp, dentry, 1);
+ if (err < 0)
+ result = err;
+ }
out:
return result;
@@ -529,8 +535,8 @@ static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl)
static int nfs_flock(struct file *filp, int cmd, struct file_lock *fl)
{
dprintk("NFS: nfs_flock(f=%s/%ld, t=%x, fl=%x)\n",
- filp->f_dentry->d_inode->i_sb->s_id,
- filp->f_dentry->d_inode->i_ino,
+ filp->f_path.dentry->d_inode->i_sb->s_id,
+ filp->f_path.dentry->d_inode->i_ino,
fl->fl_type, fl->fl_flags);
/*
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