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Commit 383aa543 authored by Jeff Layton's avatar Jeff Layton
Browse files

fs: convert __generic_file_fsync to use errseq_t based reporting 



Many simple, block-based filesystems use generic_file_fsync as their
fsync operation. Some others (ext* and fat) also call this function
to handle syncing out data.

Switch this code over to use errseq_t based error reporting so that
all of these filesystems get reliable error reporting via fsync,
fdatasync and msync.

Signed-off-by: default avatarJeff Layton <jlayton@redhat.com>
parent 372cf243

fs/libfs.c

+6 −4
Original line number Diff line number Diff line
@@ -974,7 +974,7 @@ int __generic_file_fsync(struct file *file, loff_t start, loff_t end, 
	int err;

	int ret;



	err = filemap_write_and_wait_range(inode->i_mapping, start, end);

	err = file_write_and_wait_range(file, start, end);

	if (err)

		return err;
@@ -991,9 +991,11 @@ int __generic_file_fsync(struct file *file, loff_t start, loff_t end, 


out:

	inode_unlock(inode);

	/* must call this unconditionally as it clears AS_* error flags */

	err = filemap_check_errors(inode->i_mapping);

	return ret ? ret : err;

	/* check and advance again to catch errors after syncing out buffers */

	err = file_check_and_advance_wb_err(file);

	if (ret == 0)

		ret = err;

	return ret;

}

EXPORT_SYMBOL(__generic_file_fsync);