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Diffstat (limited to 'fs/nfs/file.c')
-rw-r--r--fs/nfs/file.c50
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: