diff options
Diffstat (limited to 'fs/nfs/file.c')
-rw-r--r-- | fs/nfs/file.c | 50 |
1 files changed, 21 insertions, 29 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 6f5425e89ca6..2d72b1b7ed74 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -206,15 +206,16 @@ static int nfs_file_fsync_commit(struct file *file, int datasync) { struct inode *inode = file_inode(file); - int ret; + int ret, ret2; dprintk("NFS: fsync file(%pD2) datasync %d\n", file, datasync); nfs_inc_stats(inode, NFSIOS_VFSFSYNC); ret = nfs_commit_inode(inode, FLUSH_SYNC); - if (ret < 0) - return ret; - return file_check_and_advance_wb_err(file); + ret2 = file_check_and_advance_wb_err(file); + if (ret2 < 0) + return ret2; + return ret; } int @@ -387,11 +388,8 @@ static int nfs_write_end(struct file *file, struct address_space *mapping, return status; NFS_I(mapping->host)->write_io += copied; - if (nfs_ctx_key_to_expire(ctx, mapping->host)) { - status = nfs_wb_all(mapping->host); - if (status < 0) - return status; - } + if (nfs_ctx_key_to_expire(ctx, mapping->host)) + nfs_wb_all(mapping->host); return copied; } @@ -606,18 +604,6 @@ static const struct vm_operations_struct nfs_file_vm_ops = { .page_mkwrite = nfs_vm_page_mkwrite, }; -static int nfs_need_check_write(struct file *filp, struct inode *inode, - int error) -{ - struct nfs_open_context *ctx; - - ctx = nfs_file_open_context(filp); - if (nfs_error_is_fatal_on_server(error) || - nfs_ctx_key_to_expire(ctx, inode)) - return 1; - return 0; -} - ssize_t nfs_file_write(struct kiocb *iocb, struct iov_iter *from) { struct file *file = iocb->ki_filp; @@ -645,7 +631,7 @@ ssize_t nfs_file_write(struct kiocb *iocb, struct iov_iter *from) if (iocb->ki_flags & IOCB_APPEND || iocb->ki_pos > i_size_read(inode)) { result = nfs_revalidate_file_size(inode, file); if (result) - goto out; + return result; } nfs_clear_invalid_mapping(file->f_mapping); @@ -664,6 +650,7 @@ ssize_t nfs_file_write(struct kiocb *iocb, struct iov_iter *from) written = result; iocb->ki_pos += written; + nfs_add_stats(inode, NFSIOS_NORMALWRITTENBYTES, written); if (mntflags & NFS_MOUNT_WRITE_EAGER) { result = filemap_fdatawrite_range(file->f_mapping, @@ -681,17 +668,22 @@ ssize_t nfs_file_write(struct kiocb *iocb, struct iov_iter *from) } result = generic_write_sync(iocb, written); if (result < 0) - goto out; + return result; +out: /* Return error values */ error = filemap_check_wb_err(file->f_mapping, since); - if (nfs_need_check_write(file, inode, error)) { - int err = nfs_wb_all(inode); - if (err < 0) - result = err; + switch (error) { + default: + break; + case -EDQUOT: + case -EFBIG: + case -ENOSPC: + nfs_wb_all(inode); + error = file_check_and_advance_wb_err(file); + if (error < 0) + result = error; } - nfs_add_stats(inode, NFSIOS_NORMALWRITTENBYTES, written); -out: return result; out_swapfile: |