diff options
Diffstat (limited to 'fs/nfs/file.c')
| -rw-r--r-- | fs/nfs/file.c | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c index cc93865cea9..fab20d06d93 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); /* |